linux/sound/pci/korg1212/korg1212.c
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   1/*
   2 *   Driver for the Korg 1212 IO PCI card
   3 *
   4 *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 *
  20 */
  21
  22#include <linux/delay.h>
  23#include <linux/init.h>
  24#include <linux/interrupt.h>
  25#include <linux/pci.h>
  26#include <linux/slab.h>
  27#include <linux/wait.h>
  28#include <linux/module.h>
  29#include <linux/mutex.h>
  30#include <linux/firmware.h>
  31#include <linux/io.h>
  32
  33#include <sound/core.h>
  34#include <sound/info.h>
  35#include <sound/control.h>
  36#include <sound/pcm.h>
  37#include <sound/pcm_params.h>
  38#include <sound/initval.h>
  39
  40// ----------------------------------------------------------------------------
  41// Debug Stuff
  42// ----------------------------------------------------------------------------
  43#define K1212_DEBUG_LEVEL               0
  44#if K1212_DEBUG_LEVEL > 0
  45#define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  46#else
  47#define K1212_DEBUG_PRINTK(fmt,...)
  48#endif
  49#if K1212_DEBUG_LEVEL > 1
  50#define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  51#else
  52#define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  53#endif
  54
  55// ----------------------------------------------------------------------------
  56// Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
  57// buffers are alocated as a large piece inside KorgSharedBuffer.
  58// ----------------------------------------------------------------------------
  59//#define K1212_LARGEALLOC              1
  60
  61// ----------------------------------------------------------------------------
  62// Valid states of the Korg 1212 I/O card.
  63// ----------------------------------------------------------------------------
  64enum CardState {
  65   K1212_STATE_NONEXISTENT,             // there is no card here
  66   K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  67   K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  68   K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  69   K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  70                                        //    requests prior to this state should fail.  Only an open
  71                                        //    request can be made at this state.
  72   K1212_STATE_OPEN,                    // an application has opened the card
  73   K1212_STATE_SETUP,                   // the card has been setup for play
  74   K1212_STATE_PLAYING,                 // the card is playing
  75   K1212_STATE_MONITOR,                 // the card is in the monitor mode
  76   K1212_STATE_CALIBRATING,             // the card is currently calibrating
  77   K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  78                                        //    are in the process of cleaning things up.
  79   K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  80};
  81
  82// ----------------------------------------------------------------------------
  83// The following enumeration defines the constants written to the card's
  84// host-to-card doorbell to initiate a command.
  85// ----------------------------------------------------------------------------
  86enum korg1212_dbcnst {
  87   K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  88   K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  89   K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  90   K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  91   K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  92   K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  93   K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  94   K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  95                                          //    timecode value.
  96   K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  97   K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  98   K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
  99   K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 100                                          //    on page 4 (local page to card).
 101   K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 102                                          //    completed.
 103   K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 104};
 105
 106
 107// ----------------------------------------------------------------------------
 108// The following enumeration defines return codes 
 109// to the Korg 1212 I/O driver.
 110// ----------------------------------------------------------------------------
 111enum snd_korg1212rc {
 112   K1212_CMDRET_Success         = 0,   // command was successfully placed
 113   K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 114   K1212_CMDRET_PMFailure,             // the protected mode call failed
 115   K1212_CMDRET_FailUnspecified,       // unspecified failure
 116   K1212_CMDRET_FailBadState,          // the specified command can not be given in
 117                                       //    the card's current state. (or the wave device's
 118                                       //    state)
 119   K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 120   K1212_CMDRET_BadIndex,              // an out of range card index was specified
 121   K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 122   K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 123   K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 124   K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 125   K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 126
 127   K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 128   K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 129};
 130
 131// ----------------------------------------------------------------------------
 132// The following enumeration defines the constants used to select the play
 133// mode for the card in the SelectPlayMode command.
 134// ----------------------------------------------------------------------------
 135enum PlayModeSelector {
 136   K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 137   K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 138   K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 139   K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 140};
 141
 142// ----------------------------------------------------------------------------
 143// The following enumeration defines the constants used to select the monitor
 144// mode for the card in the SetMonitorMode command.
 145// ----------------------------------------------------------------------------
 146enum MonitorModeSelector {
 147   K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 148   K1212_MONMODE_On            // tells card to turn on monitor mode
 149};
 150
 151#define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 152#define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 153#define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 154#define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 155#define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 156#define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 157#define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 158#define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 159                                        //    register
 160#define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 161                                        //    this is the upper word of the PCI control reg.
 162#define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 163
 164#define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 165                                       //    to send a command before giving up.
 166#define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 167                                        //    the card.
 168#define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 169
 170#define CARD_BOOT_DELAY_IN_MS  10
 171#define CARD_BOOT_TIMEOUT      10
 172#define DSP_BOOT_DELAY_IN_MS   200
 173
 174#define kNumBuffers             8
 175#define k1212MaxCards           4
 176#define k1212NumWaveDevices     6
 177#define k16BitChannels          10
 178#define k32BitChannels          2
 179#define kAudioChannels          (k16BitChannels + k32BitChannels)
 180#define kPlayBufferFrames       1024
 181
 182#define K1212_ANALOG_CHANNELS   2
 183#define K1212_SPDIF_CHANNELS    2
 184#define K1212_ADAT_CHANNELS     8
 185#define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 186#define K1212_MIN_CHANNELS      1
 187#define K1212_MAX_CHANNELS      K1212_CHANNELS
 188#define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 189#define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 190#define K1212_PERIODS           (kNumBuffers)
 191#define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 192#define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 193#define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 194#define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 195#define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 196#define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 197
 198#define k1212MinADCSens     0x00
 199#define k1212MaxADCSens     0x7f
 200#define k1212MaxVolume      0x7fff
 201#define k1212MaxWaveVolume  0xffff
 202#define k1212MinVolume      0x0000
 203#define k1212MaxVolInverted 0x8000
 204
 205// -----------------------------------------------------------------
 206// the following bits are used for controlling interrupts in the
 207// interrupt control/status reg
 208// -----------------------------------------------------------------
 209#define  PCI_INT_ENABLE_BIT               0x00000100
 210#define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 211#define  LOCAL_INT_ENABLE_BIT             0x00010000
 212#define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 213#define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 214
 215// -----------------------------------------------------------------
 216// the following bits are defined for the PCI command register
 217// -----------------------------------------------------------------
 218#define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 219#define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 220#define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 221
 222// -----------------------------------------------------------------
 223// the following bits are defined for the PCI status register
 224// -----------------------------------------------------------------
 225#define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 226#define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 227#define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 228#define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 229#define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 230
 231// ------------------------------------------------------------------------
 232// the following constants are used in setting the 1212 I/O card's input
 233// sensitivity.
 234// ------------------------------------------------------------------------
 235#define  SET_SENS_LOCALINIT_BITPOS        15
 236#define  SET_SENS_DATA_BITPOS             10
 237#define  SET_SENS_CLOCK_BITPOS            8
 238#define  SET_SENS_LOADSHIFT_BITPOS        0
 239
 240#define  SET_SENS_LEFTCHANID              0x00
 241#define  SET_SENS_RIGHTCHANID             0x01
 242
 243#define  K1212SENSUPDATE_DELAY_IN_MS      50
 244
 245// --------------------------------------------------------------------------
 246// WaitRTCTicks
 247//
 248//    This function waits the specified number of real time clock ticks.
 249//    According to the DDK, each tick is ~0.8 microseconds.
 250//    The defines following the function declaration can be used for the
 251//    numTicksToWait parameter.
 252// --------------------------------------------------------------------------
 253#define ONE_RTC_TICK         1
 254#define SENSCLKPULSE_WIDTH   4
 255#define LOADSHIFT_DELAY      4
 256#define INTERCOMMAND_DELAY  40
 257#define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 258                                       //    the command register.  (could be up to 180 us)
 259#define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 260                                       //    from the card after sending a command.
 261
 262enum ClockSourceIndex {
 263   K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 264   K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 265   K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 266   K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 267   K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 268   K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 269   K1212_CLKIDX_Invalid             // used to check validity of the index
 270};
 271
 272enum ClockSourceType {
 273   K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 274   K1212_CLKIDX_Word,        // selects source as S/PDIF
 275   K1212_CLKIDX_Local        // selects source as local clock
 276};
 277
 278struct KorgAudioFrame {
 279        u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 280        u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 281        u32 timeCodeVal; /* holds the ADAT timecode value */
 282};
 283
 284struct KorgAudioBuffer {
 285        struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 286};
 287
 288struct KorgSharedBuffer {
 289#ifdef K1212_LARGEALLOC
 290   struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 291   struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 292#endif
 293   short             volumeData[kAudioChannels];
 294   u32               cardCommand;
 295   u16               routeData [kAudioChannels];
 296   u32               AdatTimeCode;                 // ADAT timecode value
 297};
 298
 299struct SensBits {
 300   union {
 301      struct {
 302         unsigned int leftChanVal:8;
 303         unsigned int leftChanId:8;
 304      } v;
 305      u16  leftSensBits;
 306   } l;
 307   union {
 308      struct {
 309         unsigned int rightChanVal:8;
 310         unsigned int rightChanId:8;
 311      } v;
 312      u16  rightSensBits;
 313   } r;
 314};
 315
 316struct snd_korg1212 {
 317        struct snd_card *card;
 318        struct pci_dev *pci;
 319        struct snd_pcm *pcm;
 320        int irq;
 321
 322        spinlock_t    lock;
 323        struct mutex open_mutex;
 324
 325        struct timer_list timer;        /* timer callback for checking ack of stop request */
 326        int stop_pending_cnt;           /* counter for stop pending check */
 327
 328        wait_queue_head_t wait;
 329
 330        unsigned long iomem;
 331        unsigned long ioport;
 332        unsigned long iomem2;
 333        unsigned long irqcount;
 334        unsigned long inIRQ;
 335        void __iomem *iobase;
 336
 337        struct snd_dma_buffer dma_dsp;
 338        struct snd_dma_buffer dma_play;
 339        struct snd_dma_buffer dma_rec;
 340        struct snd_dma_buffer dma_shared;
 341
 342        u32 DataBufsSize;
 343
 344        struct KorgAudioBuffer  * playDataBufsPtr;
 345        struct KorgAudioBuffer  * recordDataBufsPtr;
 346
 347        struct KorgSharedBuffer * sharedBufferPtr;
 348
 349        u32 RecDataPhy;
 350        u32 PlayDataPhy;
 351        unsigned long sharedBufferPhy;
 352        u32 VolumeTablePhy;
 353        u32 RoutingTablePhy;
 354        u32 AdatTimeCodePhy;
 355
 356        u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 357        u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 358        u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 359        u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 360        u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 361        u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 362        u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 363        u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 364        u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 365        u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 366
 367        size_t periodsize;
 368        int channels;
 369        int currentBuffer;
 370
 371        struct snd_pcm_substream *playback_substream;
 372        struct snd_pcm_substream *capture_substream;
 373
 374        pid_t capture_pid;
 375        pid_t playback_pid;
 376
 377        enum CardState cardState;
 378        int running;
 379        int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 380        u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 381
 382        enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 383
 384        enum ClockSourceType clkSource;   // clock source
 385        int clkRate;                 // clock rate
 386
 387        int volumePhase[kAudioChannels];
 388
 389        u16 leftADCInSens;           // ADC left channel input sensitivity
 390        u16 rightADCInSens;          // ADC right channel input sensitivity
 391
 392        int opencnt;                 // Open/Close count
 393        int setcnt;                  // SetupForPlay count
 394        int playcnt;                 // TriggerPlay count
 395        int errorcnt;                // Error Count
 396        unsigned long totalerrorcnt; // Total Error Count
 397
 398        int dsp_is_loaded;
 399        int dsp_stop_is_processed;
 400
 401};
 402
 403MODULE_DESCRIPTION("korg1212");
 404MODULE_LICENSE("GPL");
 405MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 406MODULE_FIRMWARE("korg/k1212.dsp");
 407
 408static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 409static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 410static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 411
 412module_param_array(index, int, NULL, 0444);
 413MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 414module_param_array(id, charp, NULL, 0444);
 415MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 416module_param_array(enable, bool, NULL, 0444);
 417MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 418MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 419
 420static const struct pci_device_id snd_korg1212_ids[] = {
 421        {
 422                .vendor    = 0x10b5,
 423                .device    = 0x906d,
 424                .subvendor = PCI_ANY_ID,
 425                .subdevice = PCI_ANY_ID,
 426        },
 427        { 0, },
 428};
 429
 430MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 431
 432static char *stateName[] = {
 433        "Non-existent",
 434        "Uninitialized",
 435        "DSP download in process",
 436        "DSP download complete",
 437        "Ready",
 438        "Open",
 439        "Setup for play",
 440        "Playing",
 441        "Monitor mode on",
 442        "Calibrating",
 443        "Invalid"
 444};
 445
 446static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 447
 448static const char * const clockSourceName[] = {
 449        "ADAT at 44.1 kHz",
 450        "ADAT at 48 kHz",
 451        "S/PDIF at 44.1 kHz",
 452        "S/PDIF at 48 kHz",
 453        "local clock at 44.1 kHz",
 454        "local clock at 48 kHz"
 455};
 456
 457static const char * const channelName[] = {
 458        "ADAT-1",
 459        "ADAT-2",
 460        "ADAT-3",
 461        "ADAT-4",
 462        "ADAT-5",
 463        "ADAT-6",
 464        "ADAT-7",
 465        "ADAT-8",
 466        "Analog-L",
 467        "Analog-R",
 468        "SPDIF-L",
 469        "SPDIF-R",
 470};
 471
 472static u16 ClockSourceSelector[] = {
 473        0x8000,   // selects source as ADAT at 44.1 kHz
 474        0x0000,   // selects source as ADAT at 48 kHz
 475        0x8001,   // selects source as S/PDIF at 44.1 kHz
 476        0x0001,   // selects source as S/PDIF at 48 kHz
 477        0x8002,   // selects source as local clock at 44.1 kHz
 478        0x0002    // selects source as local clock at 48 kHz
 479};
 480
 481union swap_u32 { unsigned char c[4]; u32 i; };
 482
 483#ifdef SNDRV_BIG_ENDIAN
 484static u32 LowerWordSwap(u32 swappee)
 485#else
 486static u32 UpperWordSwap(u32 swappee)
 487#endif
 488{
 489   union swap_u32 retVal, swapper;
 490
 491   swapper.i = swappee;
 492   retVal.c[2] = swapper.c[3];
 493   retVal.c[3] = swapper.c[2];
 494   retVal.c[1] = swapper.c[1];
 495   retVal.c[0] = swapper.c[0];
 496
 497   return retVal.i;
 498}
 499
 500#ifdef SNDRV_BIG_ENDIAN
 501static u32 UpperWordSwap(u32 swappee)
 502#else
 503static u32 LowerWordSwap(u32 swappee)
 504#endif
 505{
 506   union swap_u32 retVal, swapper;
 507
 508   swapper.i = swappee;
 509   retVal.c[2] = swapper.c[2];
 510   retVal.c[3] = swapper.c[3];
 511   retVal.c[1] = swapper.c[0];
 512   retVal.c[0] = swapper.c[1];
 513
 514   return retVal.i;
 515}
 516
 517#define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 518#define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 519#define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 520#define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 521
 522static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 523                                        enum korg1212_dbcnst doorbellVal,
 524                                        u32 mailBox0Val, u32 mailBox1Val,
 525                                        u32 mailBox2Val, u32 mailBox3Val)
 526{
 527        u32 retryCount;
 528        u16 mailBox3Lo;
 529        int rc = K1212_CMDRET_Success;
 530
 531        if (!korg1212->outDoorbellPtr) {
 532                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 533                return K1212_CMDRET_CardUninitialized;
 534        }
 535
 536        K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 537                           doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 538        for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 539                writel(mailBox3Val, korg1212->mailbox3Ptr);
 540                writel(mailBox2Val, korg1212->mailbox2Ptr);
 541                writel(mailBox1Val, korg1212->mailbox1Ptr);
 542                writel(mailBox0Val, korg1212->mailbox0Ptr);
 543                writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 544
 545                // --------------------------------------------------------------
 546                // the reboot command will not give an acknowledgement.
 547                // --------------------------------------------------------------
 548                if ( doorbellVal == K1212_DB_RebootCard ||
 549                        doorbellVal == K1212_DB_BootFromDSPPage4 ||
 550                        doorbellVal == K1212_DB_StartDSPDownload ) {
 551                        rc = K1212_CMDRET_Success;
 552                        break;
 553                }
 554
 555                // --------------------------------------------------------------
 556                // See if the card acknowledged the command.  Wait a bit, then
 557                // read in the low word of mailbox3.  If the MSB is set and the
 558                // low byte is equal to the doorbell value, then it ack'd.
 559                // --------------------------------------------------------------
 560                udelay(COMMAND_ACK_DELAY);
 561                mailBox3Lo = readl(korg1212->mailbox3Ptr);
 562                if (mailBox3Lo & COMMAND_ACK_MASK) {
 563                        if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 564                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 565                                rc = K1212_CMDRET_Success;
 566                                break;
 567                        }
 568                }
 569        }
 570        korg1212->cmdRetryCount += retryCount;
 571
 572        if (retryCount >= MAX_COMMAND_RETRIES) {
 573                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 574                rc = K1212_CMDRET_NoAckFromCard;
 575        }
 576
 577        return rc;
 578}
 579
 580/* spinlock already held */
 581static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 582{
 583        if (! korg1212->stop_pending_cnt) {
 584                korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 585                /* program the timer */
 586                korg1212->stop_pending_cnt = HZ;
 587                mod_timer(&korg1212->timer, jiffies + 1);
 588        }
 589}
 590
 591static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 592{
 593        unsigned long flags;
 594        spin_lock_irqsave(&korg1212->lock, flags);
 595        korg1212->dsp_stop_is_processed = 0;
 596        snd_korg1212_SendStop(korg1212);
 597        spin_unlock_irqrestore(&korg1212->lock, flags);
 598        wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 599}
 600
 601/* timer callback for checking the ack of stop request */
 602static void snd_korg1212_timer_func(unsigned long data)
 603{
 604        struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 605        unsigned long flags;
 606        
 607        spin_lock_irqsave(&korg1212->lock, flags);
 608        if (korg1212->sharedBufferPtr->cardCommand == 0) {
 609                /* ack'ed */
 610                korg1212->stop_pending_cnt = 0;
 611                korg1212->dsp_stop_is_processed = 1;
 612                wake_up(&korg1212->wait);
 613                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 614                                           stateName[korg1212->cardState]);
 615        } else {
 616                if (--korg1212->stop_pending_cnt > 0) {
 617                        /* reprogram timer */
 618                        mod_timer(&korg1212->timer, jiffies + 1);
 619                } else {
 620                        snd_printd("korg1212_timer_func timeout\n");
 621                        korg1212->sharedBufferPtr->cardCommand = 0;
 622                        korg1212->dsp_stop_is_processed = 1;
 623                        wake_up(&korg1212->wait);
 624                        K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 625                                           stateName[korg1212->cardState]);
 626                }
 627        }
 628        spin_unlock_irqrestore(&korg1212->lock, flags);
 629}
 630
 631static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 632{
 633        unsigned long flags;
 634        int rc;
 635
 636        udelay(INTERCOMMAND_DELAY);
 637        spin_lock_irqsave(&korg1212->lock, flags);
 638        korg1212->idleMonitorOn = 1;
 639        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 640                                          K1212_MODE_MonitorOn, 0, 0, 0);
 641        spin_unlock_irqrestore(&korg1212->lock, flags);
 642        return rc;
 643}
 644
 645static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 646{
 647        if (korg1212->idleMonitorOn) {
 648                snd_korg1212_SendStopAndWait(korg1212);
 649                korg1212->idleMonitorOn = 0;
 650        }
 651}
 652
 653static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 654{
 655        korg1212->cardState = csState;
 656}
 657
 658static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 659{
 660        K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 661                           stateName[korg1212->cardState], korg1212->opencnt);
 662        mutex_lock(&korg1212->open_mutex);
 663        if (korg1212->opencnt++ == 0) {
 664                snd_korg1212_TurnOffIdleMonitor(korg1212);
 665                snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 666        }
 667
 668        mutex_unlock(&korg1212->open_mutex);
 669        return 1;
 670}
 671
 672static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 673{
 674        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 675                           stateName[korg1212->cardState], korg1212->opencnt);
 676
 677        mutex_lock(&korg1212->open_mutex);
 678        if (--(korg1212->opencnt)) {
 679                mutex_unlock(&korg1212->open_mutex);
 680                return 0;
 681        }
 682
 683        if (korg1212->cardState == K1212_STATE_SETUP) {
 684                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 685                                K1212_MODE_StopPlay, 0, 0, 0);
 686                if (rc)
 687                        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 688                                           rc, stateName[korg1212->cardState]);
 689                if (rc != K1212_CMDRET_Success) {
 690                        mutex_unlock(&korg1212->open_mutex);
 691                        return 0;
 692                }
 693        } else if (korg1212->cardState > K1212_STATE_SETUP) {
 694                snd_korg1212_SendStopAndWait(korg1212);
 695        }
 696
 697        if (korg1212->cardState > K1212_STATE_READY) {
 698                snd_korg1212_TurnOnIdleMonitor(korg1212);
 699                snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 700        }
 701
 702        mutex_unlock(&korg1212->open_mutex);
 703        return 0;
 704}
 705
 706/* spinlock already held */
 707static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 708{
 709        int rc;
 710
 711        K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 712                           stateName[korg1212->cardState], korg1212->setcnt);
 713
 714        if (korg1212->setcnt++)
 715                return 0;
 716
 717        snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 718        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 719                                        K1212_MODE_SetupPlay, 0, 0, 0);
 720        if (rc)
 721                K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 722                                   rc, stateName[korg1212->cardState]);
 723        if (rc != K1212_CMDRET_Success) {
 724                return 1;
 725        }
 726        return 0;
 727}
 728
 729/* spinlock already held */
 730static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 731{
 732        int rc;
 733
 734        K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 735                           stateName[korg1212->cardState], korg1212->playcnt);
 736
 737        if (korg1212->playcnt++)
 738                return 0;
 739
 740        snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 741        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 742        if (rc)
 743                K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 744                                   rc, stateName[korg1212->cardState]);
 745        if (rc != K1212_CMDRET_Success) {
 746                return 1;
 747        }
 748        return 0;
 749}
 750
 751/* spinlock already held */
 752static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 753{
 754        K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 755                           stateName[korg1212->cardState], korg1212->playcnt);
 756
 757        if (--(korg1212->playcnt)) 
 758                return 0;
 759
 760        korg1212->setcnt = 0;
 761
 762        if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 763                snd_korg1212_SendStop(korg1212);
 764
 765        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 766        return 0;
 767}
 768
 769static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 770{
 771        writel(PCI_INT_ENABLE_BIT            |
 772               PCI_DOORBELL_INT_ENABLE_BIT   |
 773               LOCAL_INT_ENABLE_BIT          |
 774               LOCAL_DOORBELL_INT_ENABLE_BIT |
 775               LOCAL_DMA1_INT_ENABLE_BIT,
 776               korg1212->statusRegPtr);
 777}
 778
 779#if 0 /* not used */
 780
 781static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 782                                       enum MonitorModeSelector mode)
 783{
 784        K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 785                           stateName[korg1212->cardState]);
 786
 787        switch (mode) {
 788        case K1212_MONMODE_Off:
 789                if (korg1212->cardState != K1212_STATE_MONITOR)
 790                        return 0;
 791                else {
 792                        snd_korg1212_SendStopAndWait(korg1212);
 793                        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 794                }
 795                break;
 796
 797        case K1212_MONMODE_On:
 798                if (korg1212->cardState != K1212_STATE_OPEN)
 799                        return 0;
 800                else {
 801                        int rc;
 802                        snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 803                        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 804                                                          K1212_MODE_MonitorOn, 0, 0, 0);
 805                        if (rc != K1212_CMDRET_Success)
 806                                return 0;
 807                }
 808                break;
 809
 810        default:
 811                return 0;
 812        }
 813
 814        return 1;
 815}
 816
 817#endif /* not used */
 818
 819static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 820{
 821        if (korg1212->playback_pid != korg1212->capture_pid &&
 822            korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 823                return 0;
 824
 825        return 1;
 826}
 827
 828static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 829{
 830        static enum ClockSourceIndex s44[] = {
 831                K1212_CLKIDX_AdatAt44_1K,
 832                K1212_CLKIDX_WordAt44_1K,
 833                K1212_CLKIDX_LocalAt44_1K
 834        };
 835        static enum ClockSourceIndex s48[] = {
 836                K1212_CLKIDX_AdatAt48K,
 837                K1212_CLKIDX_WordAt48K,
 838                K1212_CLKIDX_LocalAt48K
 839        };
 840        int parm, rc;
 841
 842        if (!snd_korg1212_use_is_exclusive (korg1212))
 843                return -EBUSY;
 844
 845        switch (rate) {
 846        case 44100:
 847                parm = s44[korg1212->clkSource];
 848                break;
 849
 850        case 48000:
 851                parm = s48[korg1212->clkSource];
 852                break;
 853
 854        default:
 855                return -EINVAL;
 856        }
 857
 858        korg1212->clkSrcRate = parm;
 859        korg1212->clkRate = rate;
 860
 861        udelay(INTERCOMMAND_DELAY);
 862        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 863                                          ClockSourceSelector[korg1212->clkSrcRate],
 864                                          0, 0, 0);
 865        if (rc)
 866                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 867                                   rc, stateName[korg1212->cardState]);
 868
 869        return 0;
 870}
 871
 872static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 873{
 874
 875        if (source < 0 || source > 2)
 876                return -EINVAL;
 877
 878        korg1212->clkSource = source;
 879
 880        snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 881
 882        return 0;
 883}
 884
 885static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 886{
 887        writel(0, korg1212->statusRegPtr);
 888}
 889
 890static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 891{
 892        struct SensBits  sensVals;
 893        int       bitPosition;
 894        int       channel;
 895        int       clkIs48K;
 896        int       monModeSet;
 897        u16       controlValue;    // this keeps the current value to be written to
 898                                   //  the card's eeprom control register.
 899        u16       count;
 900        unsigned long flags;
 901
 902        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 903                           stateName[korg1212->cardState]);
 904
 905        // ----------------------------------------------------------------------------
 906        // initialize things.  The local init bit is always set when writing to the
 907        // card's control register.
 908        // ----------------------------------------------------------------------------
 909        controlValue = 0;
 910        SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 911
 912        // ----------------------------------------------------------------------------
 913        // make sure the card is not in monitor mode when we do this update.
 914        // ----------------------------------------------------------------------------
 915        if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 916                monModeSet = 1;
 917                snd_korg1212_SendStopAndWait(korg1212);
 918        } else
 919                monModeSet = 0;
 920
 921        spin_lock_irqsave(&korg1212->lock, flags);
 922
 923        // ----------------------------------------------------------------------------
 924        // we are about to send new values to the card, so clear the new values queued
 925        // flag.  Also, clear out mailbox 3, so we don't lockup.
 926        // ----------------------------------------------------------------------------
 927        writel(0, korg1212->mailbox3Ptr);
 928        udelay(LOADSHIFT_DELAY);
 929
 930        // ----------------------------------------------------------------------------
 931        // determine whether we are running a 48K or 44.1K clock.  This info is used
 932        // later when setting the SPDIF FF after the volume has been shifted in.
 933        // ----------------------------------------------------------------------------
 934        switch (korg1212->clkSrcRate) {
 935                case K1212_CLKIDX_AdatAt44_1K:
 936                case K1212_CLKIDX_WordAt44_1K:
 937                case K1212_CLKIDX_LocalAt44_1K:
 938                        clkIs48K = 0;
 939                        break;
 940
 941                case K1212_CLKIDX_WordAt48K:
 942                case K1212_CLKIDX_AdatAt48K:
 943                case K1212_CLKIDX_LocalAt48K:
 944                default:
 945                        clkIs48K = 1;
 946                        break;
 947        }
 948
 949        // ----------------------------------------------------------------------------
 950        // start the update.  Setup the bit structure and then shift the bits.
 951        // ----------------------------------------------------------------------------
 952        sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 953        sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 954        sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 955        sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 956
 957        // ----------------------------------------------------------------------------
 958        // now start shifting the bits in.  Start with the left channel then the right.
 959        // ----------------------------------------------------------------------------
 960        for (channel = 0; channel < 2; channel++) {
 961
 962                // ----------------------------------------------------------------------------
 963                // Bring the load/shift line low, then wait - the spec says >150ns from load/
 964                // shift low to the first rising edge of the clock.
 965                // ----------------------------------------------------------------------------
 966                ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 967                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 968                writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 969                udelay(LOADSHIFT_DELAY);
 970
 971                for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 972                        if (channel == 0) {
 973                                if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 974                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 975                                else
 976                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 977                        } else {
 978                                if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 979                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 980                                else
 981                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 982                        }
 983
 984                        ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 985                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 986                        udelay(SENSCLKPULSE_WIDTH);
 987                        SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 988                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 989                        udelay(SENSCLKPULSE_WIDTH);
 990                }
 991
 992                // ----------------------------------------------------------------------------
 993                // finish up SPDIF for left.  Bring the load/shift line high, then write a one
 994                // bit if the clock rate is 48K otherwise write 0.
 995                // ----------------------------------------------------------------------------
 996                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 997                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 998                SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 999                writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1000                udelay(SENSCLKPULSE_WIDTH);
1001
1002                if (clkIs48K)
1003                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1004
1005                writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1006                udelay(ONE_RTC_TICK);
1007                SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1008                writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1009                udelay(SENSCLKPULSE_WIDTH);
1010                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011                writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1012                udelay(SENSCLKPULSE_WIDTH);
1013        }
1014
1015        // ----------------------------------------------------------------------------
1016        // The update is complete.  Set a timeout.  This is the inter-update delay.
1017        // Also, if the card was in monitor mode, restore it.
1018        // ----------------------------------------------------------------------------
1019        for (count = 0; count < 10; count++)
1020                udelay(SENSCLKPULSE_WIDTH);
1021
1022        if (monModeSet) {
1023                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1024                                K1212_MODE_MonitorOn, 0, 0, 0);
1025                if (rc)
1026                        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1027                                           rc, stateName[korg1212->cardState]);
1028        }
1029
1030        spin_unlock_irqrestore(&korg1212->lock, flags);
1031
1032        return 1;
1033}
1034
1035static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1036{
1037        int channel, rc;
1038
1039        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1040                           stateName[korg1212->cardState]);
1041
1042        // ----------------------------------------------------
1043        // tell the card to boot
1044        // ----------------------------------------------------
1045        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1046
1047        if (rc)
1048                K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1049                                   rc, stateName[korg1212->cardState]);
1050        msleep(DSP_BOOT_DELAY_IN_MS);
1051
1052        // --------------------------------------------------------------------------------
1053        // Let the card know where all the buffers are.
1054        // --------------------------------------------------------------------------------
1055        rc = snd_korg1212_Send1212Command(korg1212,
1056                        K1212_DB_ConfigureBufferMemory,
1057                        LowerWordSwap(korg1212->PlayDataPhy),
1058                        LowerWordSwap(korg1212->RecDataPhy),
1059                        ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1060                                                                   // is based on 2 buffers
1061                        0
1062        );
1063
1064        if (rc)
1065                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1066                                   rc, stateName[korg1212->cardState]);
1067
1068        udelay(INTERCOMMAND_DELAY);
1069
1070        rc = snd_korg1212_Send1212Command(korg1212,
1071                        K1212_DB_ConfigureMiscMemory,
1072                        LowerWordSwap(korg1212->VolumeTablePhy),
1073                        LowerWordSwap(korg1212->RoutingTablePhy),
1074                        LowerWordSwap(korg1212->AdatTimeCodePhy),
1075                        0
1076        );
1077
1078        if (rc)
1079                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1080                                   rc, stateName[korg1212->cardState]);
1081
1082        // --------------------------------------------------------------------------------
1083        // Initialize the routing and volume tables, then update the card's state.
1084        // --------------------------------------------------------------------------------
1085        udelay(INTERCOMMAND_DELAY);
1086
1087        for (channel = 0; channel < kAudioChannels; channel++) {
1088                korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1089                //korg1212->sharedBufferPtr->routeData[channel] = channel;
1090                korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1091        }
1092
1093        snd_korg1212_WriteADCSensitivity(korg1212);
1094
1095        udelay(INTERCOMMAND_DELAY);
1096        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1097                                          ClockSourceSelector[korg1212->clkSrcRate],
1098                                          0, 0, 0);
1099        if (rc)
1100                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1101                                   rc, stateName[korg1212->cardState]);
1102
1103        rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1104        snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1105
1106        if (rc)
1107                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1108                                   rc, stateName[korg1212->cardState]);
1109
1110        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1111}
1112
1113static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1114{
1115        u32 doorbellValue;
1116        struct snd_korg1212 *korg1212 = dev_id;
1117
1118        doorbellValue = readl(korg1212->inDoorbellPtr);
1119
1120        if (!doorbellValue)
1121                return IRQ_NONE;
1122
1123        spin_lock(&korg1212->lock);
1124
1125        writel(doorbellValue, korg1212->inDoorbellPtr);
1126
1127        korg1212->irqcount++;
1128
1129        korg1212->inIRQ++;
1130
1131        switch (doorbellValue) {
1132                case K1212_DB_DSPDownloadDone:
1133                        K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1134                                           korg1212->irqcount, doorbellValue,
1135                                           stateName[korg1212->cardState]);
1136                        if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1137                                korg1212->dsp_is_loaded = 1;
1138                                wake_up(&korg1212->wait);
1139                        }
1140                        break;
1141
1142                // ------------------------------------------------------------------------
1143                // an error occurred - stop the card
1144                // ------------------------------------------------------------------------
1145                case K1212_DB_DMAERROR:
1146                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1147                                                   korg1212->irqcount, doorbellValue,
1148                                                   stateName[korg1212->cardState]);
1149                        snd_printk(KERN_ERR "korg1212: DMA Error\n");
1150                        korg1212->errorcnt++;
1151                        korg1212->totalerrorcnt++;
1152                        korg1212->sharedBufferPtr->cardCommand = 0;
1153                        snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1154                        break;
1155
1156                // ------------------------------------------------------------------------
1157                // the card has stopped by our request.  Clear the command word and signal
1158                // the semaphore in case someone is waiting for this.
1159                // ------------------------------------------------------------------------
1160                case K1212_DB_CARDSTOPPED:
1161                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1162                                                   korg1212->irqcount, doorbellValue,
1163                                                   stateName[korg1212->cardState]);
1164                        korg1212->sharedBufferPtr->cardCommand = 0;
1165                        break;
1166
1167                default:
1168                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1169                               korg1212->irqcount, doorbellValue, 
1170                               korg1212->currentBuffer, stateName[korg1212->cardState]);
1171                        if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1172                                korg1212->currentBuffer++;
1173
1174                                if (korg1212->currentBuffer >= kNumBuffers)
1175                                        korg1212->currentBuffer = 0;
1176
1177                                if (!korg1212->running)
1178                                        break;
1179
1180                                if (korg1212->capture_substream) {
1181                                        spin_unlock(&korg1212->lock);
1182                                        snd_pcm_period_elapsed(korg1212->capture_substream);
1183                                        spin_lock(&korg1212->lock);
1184                                }
1185
1186                                if (korg1212->playback_substream) {
1187                                        spin_unlock(&korg1212->lock);
1188                                        snd_pcm_period_elapsed(korg1212->playback_substream);
1189                                        spin_lock(&korg1212->lock);
1190                                }
1191                        }
1192                        break;
1193        }
1194
1195        korg1212->inIRQ--;
1196
1197        spin_unlock(&korg1212->lock);
1198
1199        return IRQ_HANDLED;
1200}
1201
1202static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1203{
1204        int rc;
1205
1206        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1207                           stateName[korg1212->cardState]);
1208
1209        // ---------------------------------------------------------------
1210        // verify the state of the card before proceeding.
1211        // ---------------------------------------------------------------
1212        if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1213                return 1;
1214
1215        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1216
1217        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1218                                     UpperWordSwap(korg1212->dma_dsp.addr),
1219                                     0, 0, 0);
1220        if (rc)
1221                K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1222                                   rc, stateName[korg1212->cardState]);
1223
1224        korg1212->dsp_is_loaded = 0;
1225        wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1226        if (! korg1212->dsp_is_loaded )
1227                return -EBUSY; /* timeout */
1228
1229        snd_korg1212_OnDSPDownloadComplete(korg1212);
1230
1231        return 0;
1232}
1233
1234static const struct snd_pcm_hardware snd_korg1212_playback_info =
1235{
1236        .info =              (SNDRV_PCM_INFO_MMAP |
1237                              SNDRV_PCM_INFO_MMAP_VALID |
1238                              SNDRV_PCM_INFO_INTERLEAVED |
1239                              SNDRV_PCM_INFO_BATCH),
1240        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1241        .rates =              (SNDRV_PCM_RATE_44100 |
1242                              SNDRV_PCM_RATE_48000),
1243        .rate_min =           44100,
1244        .rate_max =           48000,
1245        .channels_min =       K1212_MIN_CHANNELS,
1246        .channels_max =       K1212_MAX_CHANNELS,
1247        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1248        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1249        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1250        .periods_min =        K1212_PERIODS,
1251        .periods_max =        K1212_PERIODS,
1252        .fifo_size =          0,
1253};
1254
1255static const struct snd_pcm_hardware snd_korg1212_capture_info =
1256{
1257        .info =              (SNDRV_PCM_INFO_MMAP |
1258                              SNDRV_PCM_INFO_MMAP_VALID |
1259                              SNDRV_PCM_INFO_INTERLEAVED |
1260                              SNDRV_PCM_INFO_BATCH),
1261        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1262        .rates =              (SNDRV_PCM_RATE_44100 |
1263                              SNDRV_PCM_RATE_48000),
1264        .rate_min =           44100,
1265        .rate_max =           48000,
1266        .channels_min =       K1212_MIN_CHANNELS,
1267        .channels_max =       K1212_MAX_CHANNELS,
1268        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1269        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1270        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1271        .periods_min =        K1212_PERIODS,
1272        .periods_max =        K1212_PERIODS,
1273        .fifo_size =          0,
1274};
1275
1276static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1277{
1278        struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1279        int i;
1280
1281        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1282                                   pos, offset, size, count);
1283        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1284                return -EINVAL;
1285
1286        for (i=0; i < count; i++) {
1287#if K1212_DEBUG_LEVEL > 0
1288                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1289                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1290                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1291                               dst, i);
1292                        return -EFAULT;
1293                }
1294#endif
1295                memset((void*) dst + offset, 0, size);
1296                dst++;
1297        }
1298
1299        return 0;
1300}
1301
1302static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1303                                void __user *dst, int pos, int count,
1304                                bool in_kernel)
1305{
1306        struct snd_pcm_runtime *runtime = substream->runtime;
1307        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1308        struct KorgAudioFrame *src;
1309        int i, size;
1310
1311        pos = bytes_to_frames(runtime, pos);
1312        count = bytes_to_frames(runtime, count);
1313        size = korg1212->channels * 2;
1314        src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1315        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1316                                   pos, size, count);
1317        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1318                return -EINVAL;
1319
1320        for (i=0; i < count; i++) {
1321#if K1212_DEBUG_LEVEL > 0
1322                if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1323                     (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1324                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1325                        return -EFAULT;
1326                }
1327#endif
1328                if (in_kernel)
1329                        memcpy((void *)dst, src, size);
1330                else if (copy_to_user(dst, src, size))
1331                        return -EFAULT;
1332                src++;
1333                dst += size;
1334        }
1335
1336        return 0;
1337}
1338
1339static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1340                                  void __user *src, int pos, int count,
1341                                  bool in_kernel)
1342{
1343        struct snd_pcm_runtime *runtime = substream->runtime;
1344        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1345        struct KorgAudioFrame *dst;
1346        int i, size;
1347
1348        pos = bytes_to_frames(runtime, pos);
1349        count = bytes_to_frames(runtime, count);
1350        size = korg1212->channels * 2;
1351        dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1352
1353        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1354                                   pos, size, count);
1355
1356        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1357                return -EINVAL;
1358
1359        for (i=0; i < count; i++) {
1360#if K1212_DEBUG_LEVEL > 0
1361                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1362                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1363                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1364                        return -EFAULT;
1365                }
1366#endif
1367                if (in_kernel)
1368                        memcpy((void *)dst, src, size);
1369                else if (copy_from_user(dst, src, size))
1370                        return -EFAULT;
1371                dst++;
1372                src += size;
1373        }
1374
1375        return 0;
1376}
1377
1378static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1379{
1380        struct snd_korg1212 *korg1212 = pcm->private_data;
1381
1382        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1383                           stateName[korg1212->cardState]);
1384
1385        korg1212->pcm = NULL;
1386}
1387
1388static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1389{
1390        unsigned long flags;
1391        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1392        struct snd_pcm_runtime *runtime = substream->runtime;
1393
1394        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1395                           stateName[korg1212->cardState]);
1396
1397        snd_korg1212_OpenCard(korg1212);
1398
1399        runtime->hw = snd_korg1212_playback_info;
1400        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1401
1402        spin_lock_irqsave(&korg1212->lock, flags);
1403
1404        korg1212->playback_substream = substream;
1405        korg1212->playback_pid = current->pid;
1406        korg1212->periodsize = K1212_PERIODS;
1407        korg1212->channels = K1212_CHANNELS;
1408        korg1212->errorcnt = 0;
1409
1410        spin_unlock_irqrestore(&korg1212->lock, flags);
1411
1412        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1413                                     kPlayBufferFrames);
1414
1415        return 0;
1416}
1417
1418
1419static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1420{
1421        unsigned long flags;
1422        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1423        struct snd_pcm_runtime *runtime = substream->runtime;
1424
1425        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1426                           stateName[korg1212->cardState]);
1427
1428        snd_korg1212_OpenCard(korg1212);
1429
1430        runtime->hw = snd_korg1212_capture_info;
1431        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1432
1433        spin_lock_irqsave(&korg1212->lock, flags);
1434
1435        korg1212->capture_substream = substream;
1436        korg1212->capture_pid = current->pid;
1437        korg1212->periodsize = K1212_PERIODS;
1438        korg1212->channels = K1212_CHANNELS;
1439
1440        spin_unlock_irqrestore(&korg1212->lock, flags);
1441
1442        snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1443                                     kPlayBufferFrames);
1444        return 0;
1445}
1446
1447static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1448{
1449        unsigned long flags;
1450        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1451
1452        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1453                           stateName[korg1212->cardState]);
1454
1455        snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1456
1457        spin_lock_irqsave(&korg1212->lock, flags);
1458
1459        korg1212->playback_pid = -1;
1460        korg1212->playback_substream = NULL;
1461        korg1212->periodsize = 0;
1462
1463        spin_unlock_irqrestore(&korg1212->lock, flags);
1464
1465        snd_korg1212_CloseCard(korg1212);
1466        return 0;
1467}
1468
1469static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1470{
1471        unsigned long flags;
1472        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1473
1474        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1475                           stateName[korg1212->cardState]);
1476
1477        spin_lock_irqsave(&korg1212->lock, flags);
1478
1479        korg1212->capture_pid = -1;
1480        korg1212->capture_substream = NULL;
1481        korg1212->periodsize = 0;
1482
1483        spin_unlock_irqrestore(&korg1212->lock, flags);
1484
1485        snd_korg1212_CloseCard(korg1212);
1486        return 0;
1487}
1488
1489static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1490                             unsigned int cmd, void *arg)
1491{
1492        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1493
1494        if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1495                struct snd_pcm_channel_info *info = arg;
1496                info->offset = 0;
1497                info->first = info->channel * 16;
1498                info->step = 256;
1499                K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1500                return 0;
1501        }
1502
1503        return snd_pcm_lib_ioctl(substream, cmd, arg);
1504}
1505
1506static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1507                             struct snd_pcm_hw_params *params)
1508{
1509        unsigned long flags;
1510        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1511        int err;
1512        pid_t this_pid;
1513        pid_t other_pid;
1514
1515        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1516                           stateName[korg1212->cardState]);
1517
1518        spin_lock_irqsave(&korg1212->lock, flags);
1519
1520        if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1521                this_pid = korg1212->playback_pid;
1522                other_pid = korg1212->capture_pid;
1523        } else {
1524                this_pid = korg1212->capture_pid;
1525                other_pid = korg1212->playback_pid;
1526        }
1527
1528        if ((other_pid > 0) && (this_pid != other_pid)) {
1529
1530                /* The other stream is open, and not by the same
1531                   task as this one. Make sure that the parameters
1532                   that matter are the same.
1533                 */
1534
1535                if ((int)params_rate(params) != korg1212->clkRate) {
1536                        spin_unlock_irqrestore(&korg1212->lock, flags);
1537                        _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1538                        return -EBUSY;
1539                }
1540
1541                spin_unlock_irqrestore(&korg1212->lock, flags);
1542                return 0;
1543        }
1544
1545        if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1546                spin_unlock_irqrestore(&korg1212->lock, flags);
1547                return err;
1548        }
1549
1550        korg1212->channels = params_channels(params);
1551        korg1212->periodsize = K1212_PERIOD_BYTES;
1552
1553        spin_unlock_irqrestore(&korg1212->lock, flags);
1554
1555        return 0;
1556}
1557
1558static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1559{
1560        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1561        int rc;
1562
1563        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1564                           stateName[korg1212->cardState]);
1565
1566        spin_lock_irq(&korg1212->lock);
1567
1568        /* FIXME: we should wait for ack! */
1569        if (korg1212->stop_pending_cnt > 0) {
1570                K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1571                                   stateName[korg1212->cardState]);
1572                spin_unlock_irq(&korg1212->lock);
1573                return -EAGAIN;
1574                /*
1575                korg1212->sharedBufferPtr->cardCommand = 0;
1576                del_timer(&korg1212->timer);
1577                korg1212->stop_pending_cnt = 0;
1578                */
1579        }
1580
1581        rc = snd_korg1212_SetupForPlay(korg1212);
1582
1583        korg1212->currentBuffer = 0;
1584
1585        spin_unlock_irq(&korg1212->lock);
1586
1587        return rc ? -EINVAL : 0;
1588}
1589
1590static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1591                           int cmd)
1592{
1593        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1594        int rc;
1595
1596        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1597                           stateName[korg1212->cardState], cmd);
1598
1599        spin_lock(&korg1212->lock);
1600        switch (cmd) {
1601                case SNDRV_PCM_TRIGGER_START:
1602/*
1603                        if (korg1212->running) {
1604                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1605                                break;
1606                        }
1607*/
1608                        korg1212->running++;
1609                        rc = snd_korg1212_TriggerPlay(korg1212);
1610                        break;
1611
1612                case SNDRV_PCM_TRIGGER_STOP:
1613/*
1614                        if (!korg1212->running) {
1615                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1616                                break;
1617                        }
1618*/
1619                        korg1212->running--;
1620                        rc = snd_korg1212_StopPlay(korg1212);
1621                        break;
1622
1623                default:
1624                        rc = 1;
1625                        break;
1626        }
1627        spin_unlock(&korg1212->lock);
1628        return rc ? -EINVAL : 0;
1629}
1630
1631static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1632{
1633        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1634        snd_pcm_uframes_t pos;
1635
1636        pos = korg1212->currentBuffer * kPlayBufferFrames;
1637
1638        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1639                                   stateName[korg1212->cardState], pos);
1640
1641        return pos;
1642}
1643
1644static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1645{
1646        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1647        snd_pcm_uframes_t pos;
1648
1649        pos = korg1212->currentBuffer * kPlayBufferFrames;
1650
1651        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1652                                   stateName[korg1212->cardState], pos);
1653
1654        return pos;
1655}
1656
1657static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1658                                      int channel, unsigned long pos,
1659                                      void __user *src, unsigned long count)
1660{
1661        return snd_korg1212_copy_from(substream, src, pos, count, false);
1662}
1663
1664static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1665                                      int channel, unsigned long pos,
1666                                      void *src, unsigned long count)
1667{
1668        return snd_korg1212_copy_from(substream, (void __user *)src,
1669                                      pos, count, true);
1670}
1671
1672static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1673                           int channel, /* not used (interleaved data) */
1674                           unsigned long pos,
1675                           unsigned long count)
1676{
1677        struct snd_pcm_runtime *runtime = substream->runtime;
1678        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1679
1680        return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1681                                    bytes_to_frames(runtime, count),
1682                                    0, korg1212->channels * 2);
1683}
1684
1685static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1686                                     int channel, unsigned long pos,
1687                                     void __user *dst, unsigned long count)
1688{
1689        return snd_korg1212_copy_to(substream, dst, pos, count, false);
1690}
1691
1692static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1693                                     int channel, unsigned long pos,
1694                                     void *dst, unsigned long count)
1695{
1696        return snd_korg1212_copy_to(substream, (void __user *)dst,
1697                                    pos, count, true);
1698}
1699
1700static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1701        .open =         snd_korg1212_playback_open,
1702        .close =        snd_korg1212_playback_close,
1703        .ioctl =        snd_korg1212_ioctl,
1704        .hw_params =    snd_korg1212_hw_params,
1705        .prepare =      snd_korg1212_prepare,
1706        .trigger =      snd_korg1212_trigger,
1707        .pointer =      snd_korg1212_playback_pointer,
1708        .copy_user =    snd_korg1212_playback_copy,
1709        .copy_kernel =  snd_korg1212_playback_copy_kernel,
1710        .fill_silence = snd_korg1212_playback_silence,
1711};
1712
1713static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1714        .open =         snd_korg1212_capture_open,
1715        .close =        snd_korg1212_capture_close,
1716        .ioctl =        snd_korg1212_ioctl,
1717        .hw_params =    snd_korg1212_hw_params,
1718        .prepare =      snd_korg1212_prepare,
1719        .trigger =      snd_korg1212_trigger,
1720        .pointer =      snd_korg1212_capture_pointer,
1721        .copy_user =    snd_korg1212_capture_copy,
1722        .copy_kernel =  snd_korg1212_capture_copy_kernel,
1723};
1724
1725/*
1726 * Control Interface
1727 */
1728
1729static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1730                                           struct snd_ctl_elem_info *uinfo)
1731{
1732        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1733        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1734        return 0;
1735}
1736
1737static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1738                                          struct snd_ctl_elem_value *u)
1739{
1740        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1741        int i = kcontrol->private_value;
1742
1743        spin_lock_irq(&korg1212->lock);
1744
1745        u->value.integer.value[0] = korg1212->volumePhase[i];
1746
1747        if (i >= 8)
1748                u->value.integer.value[1] = korg1212->volumePhase[i+1];
1749
1750        spin_unlock_irq(&korg1212->lock);
1751
1752        return 0;
1753}
1754
1755static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1756                                          struct snd_ctl_elem_value *u)
1757{
1758        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1759        int change = 0;
1760        int i, val;
1761
1762        spin_lock_irq(&korg1212->lock);
1763
1764        i = kcontrol->private_value;
1765
1766        korg1212->volumePhase[i] = !!u->value.integer.value[0];
1767
1768        val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1769
1770        if ((u->value.integer.value[0] != 0) != (val < 0)) {
1771                val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1772                korg1212->sharedBufferPtr->volumeData[i] = val;
1773                change = 1;
1774        }
1775
1776        if (i >= 8) {
1777                korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1778
1779                val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1780
1781                if ((u->value.integer.value[1] != 0) != (val < 0)) {
1782                        val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1783                        korg1212->sharedBufferPtr->volumeData[i+1] = val;
1784                        change = 1;
1785                }
1786        }
1787
1788        spin_unlock_irq(&korg1212->lock);
1789
1790        return change;
1791}
1792
1793static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1794                                            struct snd_ctl_elem_info *uinfo)
1795{
1796        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1797        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1798        uinfo->value.integer.min = k1212MinVolume;
1799        uinfo->value.integer.max = k1212MaxVolume;
1800        return 0;
1801}
1802
1803static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1804                                           struct snd_ctl_elem_value *u)
1805{
1806        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807        int i;
1808
1809        spin_lock_irq(&korg1212->lock);
1810
1811        i = kcontrol->private_value;
1812        u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1813
1814        if (i >= 8) 
1815                u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1816
1817        spin_unlock_irq(&korg1212->lock);
1818
1819        return 0;
1820}
1821
1822static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1823                                           struct snd_ctl_elem_value *u)
1824{
1825        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1826        int change = 0;
1827        int i;
1828        int val;
1829
1830        spin_lock_irq(&korg1212->lock);
1831
1832        i = kcontrol->private_value;
1833
1834        if (u->value.integer.value[0] >= k1212MinVolume && 
1835            u->value.integer.value[0] >= k1212MaxVolume &&
1836            u->value.integer.value[0] !=
1837            abs(korg1212->sharedBufferPtr->volumeData[i])) {
1838                val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1839                val *= u->value.integer.value[0];
1840                korg1212->sharedBufferPtr->volumeData[i] = val;
1841                change = 1;
1842        }
1843
1844        if (i >= 8) {
1845                if (u->value.integer.value[1] >= k1212MinVolume && 
1846                    u->value.integer.value[1] >= k1212MaxVolume &&
1847                    u->value.integer.value[1] !=
1848                    abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1849                        val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1850                        val *= u->value.integer.value[1];
1851                        korg1212->sharedBufferPtr->volumeData[i+1] = val;
1852                        change = 1;
1853                }
1854        }
1855
1856        spin_unlock_irq(&korg1212->lock);
1857
1858        return change;
1859}
1860
1861static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1862                                           struct snd_ctl_elem_info *uinfo)
1863{
1864        return snd_ctl_enum_info(uinfo,
1865                                 (kcontrol->private_value >= 8) ? 2 : 1,
1866                                 kAudioChannels, channelName);
1867}
1868
1869static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1870                                          struct snd_ctl_elem_value *u)
1871{
1872        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1873        int i;
1874
1875        spin_lock_irq(&korg1212->lock);
1876
1877        i = kcontrol->private_value;
1878        u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1879
1880        if (i >= 8) 
1881                u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1882
1883        spin_unlock_irq(&korg1212->lock);
1884
1885        return 0;
1886}
1887
1888static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1889                                          struct snd_ctl_elem_value *u)
1890{
1891        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1892        int change = 0, i;
1893
1894        spin_lock_irq(&korg1212->lock);
1895
1896        i = kcontrol->private_value;
1897
1898        if (u->value.enumerated.item[0] < kAudioChannels &&
1899            u->value.enumerated.item[0] !=
1900            (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1901                korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1902                change = 1;
1903        }
1904
1905        if (i >= 8) {
1906                if (u->value.enumerated.item[1] < kAudioChannels &&
1907                    u->value.enumerated.item[1] !=
1908                    (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1909                        korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1910                        change = 1;
1911                }
1912        }
1913
1914        spin_unlock_irq(&korg1212->lock);
1915
1916        return change;
1917}
1918
1919static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1920                                     struct snd_ctl_elem_info *uinfo)
1921{
1922        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1923        uinfo->count = 2;
1924        uinfo->value.integer.min = k1212MaxADCSens;
1925        uinfo->value.integer.max = k1212MinADCSens;
1926        return 0;
1927}
1928
1929static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1930                                    struct snd_ctl_elem_value *u)
1931{
1932        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1933
1934        spin_lock_irq(&korg1212->lock);
1935
1936        u->value.integer.value[0] = korg1212->leftADCInSens;
1937        u->value.integer.value[1] = korg1212->rightADCInSens;
1938
1939        spin_unlock_irq(&korg1212->lock);
1940
1941        return 0;
1942}
1943
1944static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1945                                    struct snd_ctl_elem_value *u)
1946{
1947        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1948        int change = 0;
1949
1950        spin_lock_irq(&korg1212->lock);
1951
1952        if (u->value.integer.value[0] >= k1212MinADCSens &&
1953            u->value.integer.value[0] <= k1212MaxADCSens &&
1954            u->value.integer.value[0] != korg1212->leftADCInSens) {
1955                korg1212->leftADCInSens = u->value.integer.value[0];
1956                change = 1;
1957        }
1958        if (u->value.integer.value[1] >= k1212MinADCSens &&
1959            u->value.integer.value[1] <= k1212MaxADCSens &&
1960            u->value.integer.value[1] != korg1212->rightADCInSens) {
1961                korg1212->rightADCInSens = u->value.integer.value[1];
1962                change = 1;
1963        }
1964
1965        spin_unlock_irq(&korg1212->lock);
1966
1967        if (change)
1968                snd_korg1212_WriteADCSensitivity(korg1212);
1969
1970        return change;
1971}
1972
1973static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1974                                          struct snd_ctl_elem_info *uinfo)
1975{
1976        return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1977}
1978
1979static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980                                         struct snd_ctl_elem_value *ucontrol)
1981{
1982        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1983
1984        spin_lock_irq(&korg1212->lock);
1985
1986        ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1987
1988        spin_unlock_irq(&korg1212->lock);
1989        return 0;
1990}
1991
1992static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993                                         struct snd_ctl_elem_value *ucontrol)
1994{
1995        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996        unsigned int val;
1997        int change;
1998
1999        val = ucontrol->value.enumerated.item[0] % 3;
2000        spin_lock_irq(&korg1212->lock);
2001        change = val != korg1212->clkSource;
2002        snd_korg1212_SetClockSource(korg1212, val);
2003        spin_unlock_irq(&korg1212->lock);
2004        return change;
2005}
2006
2007#define MON_MIXER(ord,c_name)                                                                   \
2008        {                                                                                       \
2009                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2010                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2011                .name =         c_name " Monitor Volume",                                       \
2012                .info =         snd_korg1212_control_volume_info,                               \
2013                .get =          snd_korg1212_control_volume_get,                                \
2014                .put =          snd_korg1212_control_volume_put,                                \
2015                .private_value = ord,                                                           \
2016        },                                                                                      \
2017        {                                                                                       \
2018                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2019                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2020                .name =         c_name " Monitor Route",                                        \
2021                .info =         snd_korg1212_control_route_info,                                \
2022                .get =          snd_korg1212_control_route_get,                                 \
2023                .put =          snd_korg1212_control_route_put,                                 \
2024                .private_value = ord,                                                           \
2025        },                                                                                      \
2026        {                                                                                       \
2027                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2028                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2029                .name =         c_name " Monitor Phase Invert",                                 \
2030                .info =         snd_korg1212_control_phase_info,                                \
2031                .get =          snd_korg1212_control_phase_get,                                 \
2032                .put =          snd_korg1212_control_phase_put,                                 \
2033                .private_value = ord,                                                           \
2034        }
2035
2036static struct snd_kcontrol_new snd_korg1212_controls[] = {
2037        MON_MIXER(8, "Analog"),
2038        MON_MIXER(10, "SPDIF"), 
2039        MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2040        MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2041        {
2042                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2043                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2044                .name =         "Sync Source",
2045                .info =         snd_korg1212_control_sync_info,
2046                .get =          snd_korg1212_control_sync_get,
2047                .put =          snd_korg1212_control_sync_put,
2048        },
2049        {
2050                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2051                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2052                .name =         "ADC Attenuation",
2053                .info =         snd_korg1212_control_info,
2054                .get =          snd_korg1212_control_get,
2055                .put =          snd_korg1212_control_put,
2056        }
2057};
2058
2059/*
2060 * proc interface
2061 */
2062
2063static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064                                   struct snd_info_buffer *buffer)
2065{
2066        int n;
2067        struct snd_korg1212 *korg1212 = entry->private_data;
2068
2069        snd_iprintf(buffer, korg1212->card->longname);
2070        snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2071        snd_iprintf(buffer, "\nGeneral settings\n");
2072        snd_iprintf(buffer, "    period size: %zd bytes\n", K1212_PERIOD_BYTES);
2073        snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2074        snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2075        snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2076        snd_iprintf(buffer, "    Volume Info:\n");
2077        for (n=0; n<kAudioChannels; n++)
2078                snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2079                                    channelName[n],
2080                                    channelName[korg1212->sharedBufferPtr->routeData[n]],
2081                                    korg1212->sharedBufferPtr->volumeData[n]);
2082        snd_iprintf(buffer, "\nGeneral status\n");
2083        snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2084        snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2085        snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2086        snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2087        snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2088        snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2089}
2090
2091static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2092{
2093        struct snd_info_entry *entry;
2094
2095        if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096                snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2097}
2098
2099static int
2100snd_korg1212_free(struct snd_korg1212 *korg1212)
2101{
2102        snd_korg1212_TurnOffIdleMonitor(korg1212);
2103
2104        if (korg1212->irq >= 0) {
2105                snd_korg1212_DisableCardInterrupts(korg1212);
2106                free_irq(korg1212->irq, korg1212);
2107                korg1212->irq = -1;
2108        }
2109        
2110        if (korg1212->iobase != NULL) {
2111                iounmap(korg1212->iobase);
2112                korg1212->iobase = NULL;
2113        }
2114        
2115        pci_release_regions(korg1212->pci);
2116
2117        // ----------------------------------------------------
2118        // free up memory resources used for the DSP download.
2119        // ----------------------------------------------------
2120        if (korg1212->dma_dsp.area) {
2121                snd_dma_free_pages(&korg1212->dma_dsp);
2122                korg1212->dma_dsp.area = NULL;
2123        }
2124
2125#ifndef K1212_LARGEALLOC
2126
2127        // ------------------------------------------------------
2128        // free up memory resources used for the Play/Rec Buffers
2129        // ------------------------------------------------------
2130        if (korg1212->dma_play.area) {
2131                snd_dma_free_pages(&korg1212->dma_play);
2132                korg1212->dma_play.area = NULL;
2133        }
2134
2135        if (korg1212->dma_rec.area) {
2136                snd_dma_free_pages(&korg1212->dma_rec);
2137                korg1212->dma_rec.area = NULL;
2138        }
2139
2140#endif
2141
2142        // ----------------------------------------------------
2143        // free up memory resources used for the Shared Buffers
2144        // ----------------------------------------------------
2145        if (korg1212->dma_shared.area) {
2146                snd_dma_free_pages(&korg1212->dma_shared);
2147                korg1212->dma_shared.area = NULL;
2148        }
2149        
2150        pci_disable_device(korg1212->pci);
2151        kfree(korg1212);
2152        return 0;
2153}
2154
2155static int snd_korg1212_dev_free(struct snd_device *device)
2156{
2157        struct snd_korg1212 *korg1212 = device->device_data;
2158        K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2159        return snd_korg1212_free(korg1212);
2160}
2161
2162static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2163                               struct snd_korg1212 **rchip)
2164
2165{
2166        int err, rc;
2167        unsigned int i;
2168        unsigned ioport_size, iomem_size, iomem2_size;
2169        struct snd_korg1212 * korg1212;
2170        const struct firmware *dsp_code;
2171
2172        static struct snd_device_ops ops = {
2173                .dev_free = snd_korg1212_dev_free,
2174        };
2175
2176        * rchip = NULL;
2177        if ((err = pci_enable_device(pci)) < 0)
2178                return err;
2179
2180        korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2181        if (korg1212 == NULL) {
2182                pci_disable_device(pci);
2183                return -ENOMEM;
2184        }
2185
2186        korg1212->card = card;
2187        korg1212->pci = pci;
2188
2189        init_waitqueue_head(&korg1212->wait);
2190        spin_lock_init(&korg1212->lock);
2191        mutex_init(&korg1212->open_mutex);
2192        setup_timer(&korg1212->timer, snd_korg1212_timer_func,
2193                    (unsigned long)korg1212);
2194
2195        korg1212->irq = -1;
2196        korg1212->clkSource = K1212_CLKIDX_Local;
2197        korg1212->clkRate = 44100;
2198        korg1212->inIRQ = 0;
2199        korg1212->running = 0;
2200        korg1212->opencnt = 0;
2201        korg1212->playcnt = 0;
2202        korg1212->setcnt = 0;
2203        korg1212->totalerrorcnt = 0;
2204        korg1212->playback_pid = -1;
2205        korg1212->capture_pid = -1;
2206        snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2207        korg1212->idleMonitorOn = 0;
2208        korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2209        korg1212->leftADCInSens = k1212MaxADCSens;
2210        korg1212->rightADCInSens = k1212MaxADCSens;
2211
2212        for (i=0; i<kAudioChannels; i++)
2213                korg1212->volumePhase[i] = 0;
2214
2215        if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2216                kfree(korg1212);
2217                pci_disable_device(pci);
2218                return err;
2219        }
2220
2221        korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2222        korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2223        korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2224
2225        iomem_size = pci_resource_len(korg1212->pci, 0);
2226        ioport_size = pci_resource_len(korg1212->pci, 1);
2227        iomem2_size = pci_resource_len(korg1212->pci, 2);
2228
2229        K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2230                   "    iomem = 0x%lx (%d)\n"
2231                   "    ioport  = 0x%lx (%d)\n"
2232                   "    iomem = 0x%lx (%d)\n"
2233                   "    [%s]\n",
2234                   korg1212->iomem, iomem_size,
2235                   korg1212->ioport, ioport_size,
2236                   korg1212->iomem2, iomem2_size,
2237                   stateName[korg1212->cardState]);
2238
2239        if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2240                snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2241                           korg1212->iomem + iomem_size - 1);
2242                snd_korg1212_free(korg1212);
2243                return -EBUSY;
2244        }
2245
2246        err = request_irq(pci->irq, snd_korg1212_interrupt,
2247                          IRQF_SHARED,
2248                          KBUILD_MODNAME, korg1212);
2249
2250        if (err) {
2251                snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2252                snd_korg1212_free(korg1212);
2253                return -EBUSY;
2254        }
2255
2256        korg1212->irq = pci->irq;
2257
2258        pci_set_master(korg1212->pci);
2259
2260        korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2261        korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2262        korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2263        korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2264        korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2265        korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2266        korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2267        korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2268        korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2269        korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2270
2271        K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2272                   "    Status register = 0x%p\n"
2273                   "    OutDoorbell     = 0x%p\n"
2274                   "    InDoorbell      = 0x%p\n"
2275                   "    Mailbox0        = 0x%p\n"
2276                   "    Mailbox1        = 0x%p\n"
2277                   "    Mailbox2        = 0x%p\n"
2278                   "    Mailbox3        = 0x%p\n"
2279                   "    ControlReg      = 0x%p\n"
2280                   "    SensReg         = 0x%p\n"
2281                   "    IDReg           = 0x%p\n"
2282                   "    [%s]\n",
2283                   korg1212->statusRegPtr,
2284                   korg1212->outDoorbellPtr,
2285                   korg1212->inDoorbellPtr,
2286                   korg1212->mailbox0Ptr,
2287                   korg1212->mailbox1Ptr,
2288                   korg1212->mailbox2Ptr,
2289                   korg1212->mailbox3Ptr,
2290                   korg1212->controlRegPtr,
2291                   korg1212->sensRegPtr,
2292                   korg1212->idRegPtr,
2293                   stateName[korg1212->cardState]);
2294
2295        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2296                                sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2297                snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2298                snd_korg1212_free(korg1212);
2299                return -ENOMEM;
2300        }
2301        korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2302        korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2303
2304        K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2305
2306#ifndef K1212_LARGEALLOC
2307
2308        korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2309
2310        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2311                                korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2312                snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2313                snd_korg1212_free(korg1212);
2314                return -ENOMEM;
2315        }
2316        korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2317        korg1212->PlayDataPhy = korg1212->dma_play.addr;
2318
2319        K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2320                korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2321
2322        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2323                                korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2324                snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2325                snd_korg1212_free(korg1212);
2326                return -ENOMEM;
2327        }
2328        korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2329        korg1212->RecDataPhy = korg1212->dma_rec.addr;
2330
2331        K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2332                korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2333
2334#else // K1212_LARGEALLOC
2335
2336        korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2337        korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2338        korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2339        korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2340
2341#endif // K1212_LARGEALLOC
2342
2343        korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2344                offsetof(struct KorgSharedBuffer, volumeData);
2345        korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2346                offsetof(struct KorgSharedBuffer, routeData);
2347        korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2348                offsetof(struct KorgSharedBuffer, AdatTimeCode);
2349
2350        err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2351        if (err < 0) {
2352                release_firmware(dsp_code);
2353                snd_printk(KERN_ERR "firmware not available\n");
2354                snd_korg1212_free(korg1212);
2355                return err;
2356        }
2357
2358        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2359                                dsp_code->size, &korg1212->dma_dsp) < 0) {
2360                snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2361                snd_korg1212_free(korg1212);
2362                release_firmware(dsp_code);
2363                return -ENOMEM;
2364        }
2365
2366        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2367                   korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2368                   stateName[korg1212->cardState]);
2369
2370        memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2371
2372        release_firmware(dsp_code);
2373
2374        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2375
2376        if (rc)
2377                K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2378
2379        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2380                snd_korg1212_free(korg1212);
2381                return err;
2382        }
2383        
2384        snd_korg1212_EnableCardInterrupts(korg1212);
2385
2386        mdelay(CARD_BOOT_DELAY_IN_MS);
2387
2388        if (snd_korg1212_downloadDSPCode(korg1212))
2389                return -EBUSY;
2390
2391        K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2392               "PlayDataPhy = %08x L[%08x]\n"
2393               "korg1212: RecDataPhy = %08x L[%08x], "
2394               "VolumeTablePhy = %08x L[%08x]\n"
2395               "korg1212: RoutingTablePhy = %08x L[%08x], "
2396               "AdatTimeCodePhy = %08x L[%08x]\n",
2397               (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2398               korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2399               korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2400               korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2401               korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2402               korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2403
2404        if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2405                return err;
2406
2407        korg1212->pcm->private_data = korg1212;
2408        korg1212->pcm->private_free = snd_korg1212_free_pcm;
2409        strcpy(korg1212->pcm->name, "korg1212");
2410
2411        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2412        
2413        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2414
2415        korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2416
2417        for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2418                err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2419                if (err < 0)
2420                        return err;
2421        }
2422
2423        snd_korg1212_proc_init(korg1212);
2424        
2425        * rchip = korg1212;
2426        return 0;
2427
2428}
2429
2430/*
2431 * Card initialisation
2432 */
2433
2434static int
2435snd_korg1212_probe(struct pci_dev *pci,
2436                const struct pci_device_id *pci_id)
2437{
2438        static int dev;
2439        struct snd_korg1212 *korg1212;
2440        struct snd_card *card;
2441        int err;
2442
2443        if (dev >= SNDRV_CARDS) {
2444                return -ENODEV;
2445        }
2446        if (!enable[dev]) {
2447                dev++;
2448                return -ENOENT;
2449        }
2450        err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2451                           0, &card);
2452        if (err < 0)
2453                return err;
2454
2455        if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2456                snd_card_free(card);
2457                return err;
2458        }
2459
2460        strcpy(card->driver, "korg1212");
2461        strcpy(card->shortname, "korg1212");
2462        sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2463                korg1212->iomem, korg1212->irq);
2464
2465        K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2466
2467        if ((err = snd_card_register(card)) < 0) {
2468                snd_card_free(card);
2469                return err;
2470        }
2471        pci_set_drvdata(pci, card);
2472        dev++;
2473        return 0;
2474}
2475
2476static void snd_korg1212_remove(struct pci_dev *pci)
2477{
2478        snd_card_free(pci_get_drvdata(pci));
2479}
2480
2481static struct pci_driver korg1212_driver = {
2482        .name = KBUILD_MODNAME,
2483        .id_table = snd_korg1212_ids,
2484        .probe = snd_korg1212_probe,
2485        .remove = snd_korg1212_remove,
2486};
2487
2488module_pci_driver(korg1212_driver);
2489