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/moduleparam.h>
  29#include <linux/mutex.h>
  30#include <linux/firmware.h>
  31
  32#include <sound/core.h>
  33#include <sound/info.h>
  34#include <sound/control.h>
  35#include <sound/pcm.h>
  36#include <sound/pcm_params.h>
  37#include <sound/initval.h>
  38
  39#include <asm/io.h>
  40
  41// ----------------------------------------------------------------------------
  42// Debug Stuff
  43// ----------------------------------------------------------------------------
  44#define K1212_DEBUG_LEVEL               0
  45#if K1212_DEBUG_LEVEL > 0
  46#define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  47#else
  48#define K1212_DEBUG_PRINTK(fmt,...)
  49#endif
  50#if K1212_DEBUG_LEVEL > 1
  51#define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  52#else
  53#define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  54#endif
  55
  56// ----------------------------------------------------------------------------
  57// Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
  58// buffers are alocated as a large piece inside KorgSharedBuffer.
  59// ----------------------------------------------------------------------------
  60//#define K1212_LARGEALLOC              1
  61
  62// ----------------------------------------------------------------------------
  63// Valid states of the Korg 1212 I/O card.
  64// ----------------------------------------------------------------------------
  65enum CardState {
  66   K1212_STATE_NONEXISTENT,             // there is no card here
  67   K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  68   K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  69   K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  70   K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  71                                        //    requests prior to this state should fail.  Only an open
  72                                        //    request can be made at this state.
  73   K1212_STATE_OPEN,                    // an application has opened the card
  74   K1212_STATE_SETUP,                   // the card has been setup for play
  75   K1212_STATE_PLAYING,                 // the card is playing
  76   K1212_STATE_MONITOR,                 // the card is in the monitor mode
  77   K1212_STATE_CALIBRATING,             // the card is currently calibrating
  78   K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  79                                        //    are in the process of cleaning things up.
  80   K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  81};
  82
  83// ----------------------------------------------------------------------------
  84// The following enumeration defines the constants written to the card's
  85// host-to-card doorbell to initiate a command.
  86// ----------------------------------------------------------------------------
  87enum korg1212_dbcnst {
  88   K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  89   K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  90   K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  91   K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  92   K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  93   K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  94   K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  95   K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  96                                          //    timecode value.
  97   K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  98   K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  99   K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
 100   K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 101                                          //    on page 4 (local page to card).
 102   K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 103                                          //    completed.
 104   K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 105};
 106
 107
 108// ----------------------------------------------------------------------------
 109// The following enumeration defines return codes 
 110// to the Korg 1212 I/O driver.
 111// ----------------------------------------------------------------------------
 112enum snd_korg1212rc {
 113   K1212_CMDRET_Success         = 0,   // command was successfully placed
 114   K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 115   K1212_CMDRET_PMFailure,             // the protected mode call failed
 116   K1212_CMDRET_FailUnspecified,       // unspecified failure
 117   K1212_CMDRET_FailBadState,          // the specified command can not be given in
 118                                       //    the card's current state. (or the wave device's
 119                                       //    state)
 120   K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 121   K1212_CMDRET_BadIndex,              // an out of range card index was specified
 122   K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 123   K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 124   K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 125   K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 126   K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 127
 128   K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 129   K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 130};
 131
 132// ----------------------------------------------------------------------------
 133// The following enumeration defines the constants used to select the play
 134// mode for the card in the SelectPlayMode command.
 135// ----------------------------------------------------------------------------
 136enum PlayModeSelector {
 137   K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 138   K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 139   K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 140   K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 141};
 142
 143// ----------------------------------------------------------------------------
 144// The following enumeration defines the constants used to select the monitor
 145// mode for the card in the SetMonitorMode command.
 146// ----------------------------------------------------------------------------
 147enum MonitorModeSelector {
 148   K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 149   K1212_MONMODE_On            // tells card to turn on monitor mode
 150};
 151
 152#define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 153#define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 154#define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 155#define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 156#define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 157#define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 158#define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 159#define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 160                                        //    register
 161#define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 162                                        //    this is the upper word of the PCI control reg.
 163#define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 164
 165#define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 166                                       //    to send a command before giving up.
 167#define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 168                                        //    the card.
 169#define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 170
 171#define CARD_BOOT_DELAY_IN_MS  10
 172#define CARD_BOOT_TIMEOUT      10
 173#define DSP_BOOT_DELAY_IN_MS   200
 174
 175#define kNumBuffers             8
 176#define k1212MaxCards           4
 177#define k1212NumWaveDevices     6
 178#define k16BitChannels          10
 179#define k32BitChannels          2
 180#define kAudioChannels          (k16BitChannels + k32BitChannels)
 181#define kPlayBufferFrames       1024
 182
 183#define K1212_ANALOG_CHANNELS   2
 184#define K1212_SPDIF_CHANNELS    2
 185#define K1212_ADAT_CHANNELS     8
 186#define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 187#define K1212_MIN_CHANNELS      1
 188#define K1212_MAX_CHANNELS      K1212_CHANNELS
 189#define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 190#define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 191#define K1212_PERIODS           (kNumBuffers)
 192#define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 193#define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 194#define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 195#define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 196#define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 197#define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 198
 199#define k1212MinADCSens     0x7f
 200#define k1212MaxADCSens     0x00
 201#define k1212MaxVolume      0x7fff
 202#define k1212MaxWaveVolume  0xffff
 203#define k1212MinVolume      0x0000
 204#define k1212MaxVolInverted 0x8000
 205
 206// -----------------------------------------------------------------
 207// the following bits are used for controlling interrupts in the
 208// interrupt control/status reg
 209// -----------------------------------------------------------------
 210#define  PCI_INT_ENABLE_BIT               0x00000100
 211#define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 212#define  LOCAL_INT_ENABLE_BIT             0x00010000
 213#define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 214#define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 215
 216// -----------------------------------------------------------------
 217// the following bits are defined for the PCI command register
 218// -----------------------------------------------------------------
 219#define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 220#define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 221#define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 222
 223// -----------------------------------------------------------------
 224// the following bits are defined for the PCI status register
 225// -----------------------------------------------------------------
 226#define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 227#define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 228#define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 229#define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 230#define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 231
 232// ------------------------------------------------------------------------
 233// the following constants are used in setting the 1212 I/O card's input
 234// sensitivity.
 235// ------------------------------------------------------------------------
 236#define  SET_SENS_LOCALINIT_BITPOS        15
 237#define  SET_SENS_DATA_BITPOS             10
 238#define  SET_SENS_CLOCK_BITPOS            8
 239#define  SET_SENS_LOADSHIFT_BITPOS        0
 240
 241#define  SET_SENS_LEFTCHANID              0x00
 242#define  SET_SENS_RIGHTCHANID             0x01
 243
 244#define  K1212SENSUPDATE_DELAY_IN_MS      50
 245
 246// --------------------------------------------------------------------------
 247// WaitRTCTicks
 248//
 249//    This function waits the specified number of real time clock ticks.
 250//    According to the DDK, each tick is ~0.8 microseconds.
 251//    The defines following the function declaration can be used for the
 252//    numTicksToWait parameter.
 253// --------------------------------------------------------------------------
 254#define ONE_RTC_TICK         1
 255#define SENSCLKPULSE_WIDTH   4
 256#define LOADSHIFT_DELAY      4
 257#define INTERCOMMAND_DELAY  40
 258#define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 259                                       //    the command register.  (could be up to 180 us)
 260#define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 261                                       //    from the card after sending a command.
 262
 263enum ClockSourceIndex {
 264   K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 265   K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 266   K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 267   K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 268   K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 269   K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 270   K1212_CLKIDX_Invalid             // used to check validity of the index
 271};
 272
 273enum ClockSourceType {
 274   K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 275   K1212_CLKIDX_Word,        // selects source as S/PDIF
 276   K1212_CLKIDX_Local        // selects source as local clock
 277};
 278
 279struct KorgAudioFrame {
 280        u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 281        u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 282        u32 timeCodeVal; /* holds the ADAT timecode value */
 283};
 284
 285struct KorgAudioBuffer {
 286        struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 287};
 288
 289struct KorgSharedBuffer {
 290#ifdef K1212_LARGEALLOC
 291   struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 292   struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 293#endif
 294   short             volumeData[kAudioChannels];
 295   u32               cardCommand;
 296   u16               routeData [kAudioChannels];
 297   u32               AdatTimeCode;                 // ADAT timecode value
 298};
 299
 300struct SensBits {
 301   union {
 302      struct {
 303         unsigned int leftChanVal:8;
 304         unsigned int leftChanId:8;
 305      } v;
 306      u16  leftSensBits;
 307   } l;
 308   union {
 309      struct {
 310         unsigned int rightChanVal:8;
 311         unsigned int rightChanId:8;
 312      } v;
 313      u16  rightSensBits;
 314   } r;
 315};
 316
 317struct snd_korg1212 {
 318        struct snd_card *card;
 319        struct pci_dev *pci;
 320        struct snd_pcm *pcm;
 321        int irq;
 322
 323        spinlock_t    lock;
 324        struct mutex open_mutex;
 325
 326        struct timer_list timer;        /* timer callback for checking ack of stop request */
 327        int stop_pending_cnt;           /* counter for stop pending check */
 328
 329        wait_queue_head_t wait;
 330
 331        unsigned long iomem;
 332        unsigned long ioport;
 333        unsigned long iomem2;
 334        unsigned long irqcount;
 335        unsigned long inIRQ;
 336        void __iomem *iobase;
 337
 338        struct snd_dma_buffer dma_dsp;
 339        struct snd_dma_buffer dma_play;
 340        struct snd_dma_buffer dma_rec;
 341        struct snd_dma_buffer dma_shared;
 342
 343        u32 DataBufsSize;
 344
 345        struct KorgAudioBuffer  * playDataBufsPtr;
 346        struct KorgAudioBuffer  * recordDataBufsPtr;
 347
 348        struct KorgSharedBuffer * sharedBufferPtr;
 349
 350        u32 RecDataPhy;
 351        u32 PlayDataPhy;
 352        unsigned long sharedBufferPhy;
 353        u32 VolumeTablePhy;
 354        u32 RoutingTablePhy;
 355        u32 AdatTimeCodePhy;
 356
 357        u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 358        u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 359        u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 360        u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 361        u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 362        u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 363        u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 364        u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 365        u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 366        u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 367
 368        size_t periodsize;
 369        int channels;
 370        int currentBuffer;
 371
 372        struct snd_pcm_substream *playback_substream;
 373        struct snd_pcm_substream *capture_substream;
 374
 375        pid_t capture_pid;
 376        pid_t playback_pid;
 377
 378        enum CardState cardState;
 379        int running;
 380        int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 381        u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 382
 383        enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 384
 385        enum ClockSourceType clkSource;   // clock source
 386        int clkRate;                 // clock rate
 387
 388        int volumePhase[kAudioChannels];
 389
 390        u16 leftADCInSens;           // ADC left channel input sensitivity
 391        u16 rightADCInSens;          // ADC right channel input sensitivity
 392
 393        int opencnt;                 // Open/Close count
 394        int setcnt;                  // SetupForPlay count
 395        int playcnt;                 // TriggerPlay count
 396        int errorcnt;                // Error Count
 397        unsigned long totalerrorcnt; // Total Error Count
 398
 399        int dsp_is_loaded;
 400        int dsp_stop_is_processed;
 401
 402};
 403
 404MODULE_DESCRIPTION("korg1212");
 405MODULE_LICENSE("GPL");
 406MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 407MODULE_FIRMWARE("korg/k1212.dsp");
 408
 409static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 410static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 411static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 412
 413module_param_array(index, int, NULL, 0444);
 414MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 415module_param_array(id, charp, NULL, 0444);
 416MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 417module_param_array(enable, bool, NULL, 0444);
 418MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 419MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 420
 421static struct pci_device_id snd_korg1212_ids[] = {
 422        {
 423                .vendor    = 0x10b5,
 424                .device    = 0x906d,
 425                .subvendor = PCI_ANY_ID,
 426                .subdevice = PCI_ANY_ID,
 427        },
 428        { 0, },
 429};
 430
 431MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 432
 433static char *stateName[] = {
 434        "Non-existent",
 435        "Uninitialized",
 436        "DSP download in process",
 437        "DSP download complete",
 438        "Ready",
 439        "Open",
 440        "Setup for play",
 441        "Playing",
 442        "Monitor mode on",
 443        "Calibrating",
 444        "Invalid"
 445};
 446
 447static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 448
 449static char *clockSourceName[] = {
 450        "ADAT at 44.1 kHz",
 451        "ADAT at 48 kHz",
 452        "S/PDIF at 44.1 kHz",
 453        "S/PDIF at 48 kHz",
 454        "local clock at 44.1 kHz",
 455        "local clock at 48 kHz"
 456};
 457
 458static char *channelName[] = {
 459        "ADAT-1",
 460        "ADAT-2",
 461        "ADAT-3",
 462        "ADAT-4",
 463        "ADAT-5",
 464        "ADAT-6",
 465        "ADAT-7",
 466        "ADAT-8",
 467        "Analog-L",
 468        "Analog-R",
 469        "SPDIF-L",
 470        "SPDIF-R",
 471};
 472
 473static u16 ClockSourceSelector[] = {
 474        0x8000,   // selects source as ADAT at 44.1 kHz
 475        0x0000,   // selects source as ADAT at 48 kHz
 476        0x8001,   // selects source as S/PDIF at 44.1 kHz
 477        0x0001,   // selects source as S/PDIF at 48 kHz
 478        0x8002,   // selects source as local clock at 44.1 kHz
 479        0x0002    // selects source as local clock at 48 kHz
 480};
 481
 482union swap_u32 { unsigned char c[4]; u32 i; };
 483
 484#ifdef SNDRV_BIG_ENDIAN
 485static u32 LowerWordSwap(u32 swappee)
 486#else
 487static u32 UpperWordSwap(u32 swappee)
 488#endif
 489{
 490   union swap_u32 retVal, swapper;
 491
 492   swapper.i = swappee;
 493   retVal.c[2] = swapper.c[3];
 494   retVal.c[3] = swapper.c[2];
 495   retVal.c[1] = swapper.c[1];
 496   retVal.c[0] = swapper.c[0];
 497
 498   return retVal.i;
 499}
 500
 501#ifdef SNDRV_BIG_ENDIAN
 502static u32 UpperWordSwap(u32 swappee)
 503#else
 504static u32 LowerWordSwap(u32 swappee)
 505#endif
 506{
 507   union swap_u32 retVal, swapper;
 508
 509   swapper.i = swappee;
 510   retVal.c[2] = swapper.c[2];
 511   retVal.c[3] = swapper.c[3];
 512   retVal.c[1] = swapper.c[0];
 513   retVal.c[0] = swapper.c[1];
 514
 515   return retVal.i;
 516}
 517
 518#define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 519#define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 520#define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 521#define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 522
 523static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 524                                        enum korg1212_dbcnst doorbellVal,
 525                                        u32 mailBox0Val, u32 mailBox1Val,
 526                                        u32 mailBox2Val, u32 mailBox3Val)
 527{
 528        u32 retryCount;
 529        u16 mailBox3Lo;
 530        int rc = K1212_CMDRET_Success;
 531
 532        if (!korg1212->outDoorbellPtr) {
 533                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 534                return K1212_CMDRET_CardUninitialized;
 535        }
 536
 537        K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 538                           doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 539        for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 540                writel(mailBox3Val, korg1212->mailbox3Ptr);
 541                writel(mailBox2Val, korg1212->mailbox2Ptr);
 542                writel(mailBox1Val, korg1212->mailbox1Ptr);
 543                writel(mailBox0Val, korg1212->mailbox0Ptr);
 544                writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 545
 546                // --------------------------------------------------------------
 547                // the reboot command will not give an acknowledgement.
 548                // --------------------------------------------------------------
 549                if ( doorbellVal == K1212_DB_RebootCard ||
 550                        doorbellVal == K1212_DB_BootFromDSPPage4 ||
 551                        doorbellVal == K1212_DB_StartDSPDownload ) {
 552                        rc = K1212_CMDRET_Success;
 553                        break;
 554                }
 555
 556                // --------------------------------------------------------------
 557                // See if the card acknowledged the command.  Wait a bit, then
 558                // read in the low word of mailbox3.  If the MSB is set and the
 559                // low byte is equal to the doorbell value, then it ack'd.
 560                // --------------------------------------------------------------
 561                udelay(COMMAND_ACK_DELAY);
 562                mailBox3Lo = readl(korg1212->mailbox3Ptr);
 563                if (mailBox3Lo & COMMAND_ACK_MASK) {
 564                        if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 565                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 566                                rc = K1212_CMDRET_Success;
 567                                break;
 568                        }
 569                }
 570        }
 571        korg1212->cmdRetryCount += retryCount;
 572
 573        if (retryCount >= MAX_COMMAND_RETRIES) {
 574                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 575                rc = K1212_CMDRET_NoAckFromCard;
 576        }
 577
 578        return rc;
 579}
 580
 581/* spinlock already held */
 582static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 583{
 584        if (! korg1212->stop_pending_cnt) {
 585                korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 586                /* program the timer */
 587                korg1212->stop_pending_cnt = HZ;
 588                korg1212->timer.expires = jiffies + 1;
 589                add_timer(&korg1212->timer);
 590        }
 591}
 592
 593static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 594{
 595        unsigned long flags;
 596        spin_lock_irqsave(&korg1212->lock, flags);
 597        korg1212->dsp_stop_is_processed = 0;
 598        snd_korg1212_SendStop(korg1212);
 599        spin_unlock_irqrestore(&korg1212->lock, flags);
 600        wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 601}
 602
 603/* timer callback for checking the ack of stop request */
 604static void snd_korg1212_timer_func(unsigned long data)
 605{
 606        struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 607        unsigned long flags;
 608        
 609        spin_lock_irqsave(&korg1212->lock, flags);
 610        if (korg1212->sharedBufferPtr->cardCommand == 0) {
 611                /* ack'ed */
 612                korg1212->stop_pending_cnt = 0;
 613                korg1212->dsp_stop_is_processed = 1;
 614                wake_up(&korg1212->wait);
 615                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 616                                           stateName[korg1212->cardState]);
 617        } else {
 618                if (--korg1212->stop_pending_cnt > 0) {
 619                        /* reprogram timer */
 620                        korg1212->timer.expires = jiffies + 1;
 621                        add_timer(&korg1212->timer);
 622                } else {
 623                        snd_printd("korg1212_timer_func timeout\n");
 624                        korg1212->sharedBufferPtr->cardCommand = 0;
 625                        korg1212->dsp_stop_is_processed = 1;
 626                        wake_up(&korg1212->wait);
 627                        K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 628                                           stateName[korg1212->cardState]);
 629                }
 630        }
 631        spin_unlock_irqrestore(&korg1212->lock, flags);
 632}
 633
 634static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 635{
 636        unsigned long flags;
 637        int rc;
 638
 639        udelay(INTERCOMMAND_DELAY);
 640        spin_lock_irqsave(&korg1212->lock, flags);
 641        korg1212->idleMonitorOn = 1;
 642        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 643                                          K1212_MODE_MonitorOn, 0, 0, 0);
 644        spin_unlock_irqrestore(&korg1212->lock, flags);
 645        return rc;
 646}
 647
 648static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 649{
 650        if (korg1212->idleMonitorOn) {
 651                snd_korg1212_SendStopAndWait(korg1212);
 652                korg1212->idleMonitorOn = 0;
 653        }
 654}
 655
 656static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 657{
 658        korg1212->cardState = csState;
 659}
 660
 661static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 662{
 663        K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 664                           stateName[korg1212->cardState], korg1212->opencnt);
 665        mutex_lock(&korg1212->open_mutex);
 666        if (korg1212->opencnt++ == 0) {
 667                snd_korg1212_TurnOffIdleMonitor(korg1212);
 668                snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 669        }
 670
 671        mutex_unlock(&korg1212->open_mutex);
 672        return 1;
 673}
 674
 675static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 676{
 677        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 678                           stateName[korg1212->cardState], korg1212->opencnt);
 679
 680        mutex_lock(&korg1212->open_mutex);
 681        if (--(korg1212->opencnt)) {
 682                mutex_unlock(&korg1212->open_mutex);
 683                return 0;
 684        }
 685
 686        if (korg1212->cardState == K1212_STATE_SETUP) {
 687                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 688                                K1212_MODE_StopPlay, 0, 0, 0);
 689                if (rc)
 690                        K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 691                                           rc, stateName[korg1212->cardState]);
 692                if (rc != K1212_CMDRET_Success) {
 693                        mutex_unlock(&korg1212->open_mutex);
 694                        return 0;
 695                }
 696        } else if (korg1212->cardState > K1212_STATE_SETUP) {
 697                snd_korg1212_SendStopAndWait(korg1212);
 698        }
 699
 700        if (korg1212->cardState > K1212_STATE_READY) {
 701                snd_korg1212_TurnOnIdleMonitor(korg1212);
 702                snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 703        }
 704
 705        mutex_unlock(&korg1212->open_mutex);
 706        return 0;
 707}
 708
 709/* spinlock already held */
 710static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 711{
 712        int rc;
 713
 714        K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 715                           stateName[korg1212->cardState], korg1212->setcnt);
 716
 717        if (korg1212->setcnt++)
 718                return 0;
 719
 720        snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 721        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 722                                        K1212_MODE_SetupPlay, 0, 0, 0);
 723        if (rc)
 724                K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 725                                   rc, stateName[korg1212->cardState]);
 726        if (rc != K1212_CMDRET_Success) {
 727                return 1;
 728        }
 729        return 0;
 730}
 731
 732/* spinlock already held */
 733static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 734{
 735        int rc;
 736
 737        K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 738                           stateName[korg1212->cardState], korg1212->playcnt);
 739
 740        if (korg1212->playcnt++)
 741                return 0;
 742
 743        snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 744        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 745        if (rc)
 746                K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 747                                   rc, stateName[korg1212->cardState]);
 748        if (rc != K1212_CMDRET_Success) {
 749                return 1;
 750        }
 751        return 0;
 752}
 753
 754/* spinlock already held */
 755static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 756{
 757        K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 758                           stateName[korg1212->cardState], korg1212->playcnt);
 759
 760        if (--(korg1212->playcnt)) 
 761                return 0;
 762
 763        korg1212->setcnt = 0;
 764
 765        if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 766                snd_korg1212_SendStop(korg1212);
 767
 768        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 769        return 0;
 770}
 771
 772static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 773{
 774        writel(PCI_INT_ENABLE_BIT            |
 775               PCI_DOORBELL_INT_ENABLE_BIT   |
 776               LOCAL_INT_ENABLE_BIT          |
 777               LOCAL_DOORBELL_INT_ENABLE_BIT |
 778               LOCAL_DMA1_INT_ENABLE_BIT,
 779               korg1212->statusRegPtr);
 780}
 781
 782#if 0 /* not used */
 783
 784static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 785                                       enum MonitorModeSelector mode)
 786{
 787        K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 788                           stateName[korg1212->cardState]);
 789
 790        switch (mode) {
 791        case K1212_MONMODE_Off:
 792                if (korg1212->cardState != K1212_STATE_MONITOR)
 793                        return 0;
 794                else {
 795                        snd_korg1212_SendStopAndWait(korg1212);
 796                        snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 797                }
 798                break;
 799
 800        case K1212_MONMODE_On:
 801                if (korg1212->cardState != K1212_STATE_OPEN)
 802                        return 0;
 803                else {
 804                        int rc;
 805                        snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 806                        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 807                                                          K1212_MODE_MonitorOn, 0, 0, 0);
 808                        if (rc != K1212_CMDRET_Success)
 809                                return 0;
 810                }
 811                break;
 812
 813        default:
 814                return 0;
 815        }
 816
 817        return 1;
 818}
 819
 820#endif /* not used */
 821
 822static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 823{
 824        if (korg1212->playback_pid != korg1212->capture_pid &&
 825            korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 826                return 0;
 827
 828        return 1;
 829}
 830
 831static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 832{
 833        static enum ClockSourceIndex s44[] = {
 834                K1212_CLKIDX_AdatAt44_1K,
 835                K1212_CLKIDX_WordAt44_1K,
 836                K1212_CLKIDX_LocalAt44_1K
 837        };
 838        static enum ClockSourceIndex s48[] = {
 839                K1212_CLKIDX_AdatAt48K,
 840                K1212_CLKIDX_WordAt48K,
 841                K1212_CLKIDX_LocalAt48K
 842        };
 843        int parm, rc;
 844
 845        if (!snd_korg1212_use_is_exclusive (korg1212))
 846                return -EBUSY;
 847
 848        switch (rate) {
 849        case 44100:
 850                parm = s44[korg1212->clkSource];
 851                break;
 852
 853        case 48000:
 854                parm = s48[korg1212->clkSource];
 855                break;
 856
 857        default:
 858                return -EINVAL;
 859        }
 860
 861        korg1212->clkSrcRate = parm;
 862        korg1212->clkRate = rate;
 863
 864        udelay(INTERCOMMAND_DELAY);
 865        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 866                                          ClockSourceSelector[korg1212->clkSrcRate],
 867                                          0, 0, 0);
 868        if (rc)
 869                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 870                                   rc, stateName[korg1212->cardState]);
 871
 872        return 0;
 873}
 874
 875static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 876{
 877
 878        if (source < 0 || source > 2)
 879                return -EINVAL;
 880
 881        korg1212->clkSource = source;
 882
 883        snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 884
 885        return 0;
 886}
 887
 888static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 889{
 890        writel(0, korg1212->statusRegPtr);
 891}
 892
 893static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 894{
 895        struct SensBits  sensVals;
 896        int       bitPosition;
 897        int       channel;
 898        int       clkIs48K;
 899        int       monModeSet;
 900        u16       controlValue;    // this keeps the current value to be written to
 901                                   //  the card's eeprom control register.
 902        u16       count;
 903        unsigned long flags;
 904
 905        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 906                           stateName[korg1212->cardState]);
 907
 908        // ----------------------------------------------------------------------------
 909        // initialize things.  The local init bit is always set when writing to the
 910        // card's control register.
 911        // ----------------------------------------------------------------------------
 912        controlValue = 0;
 913        SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 914
 915        // ----------------------------------------------------------------------------
 916        // make sure the card is not in monitor mode when we do this update.
 917        // ----------------------------------------------------------------------------
 918        if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 919                monModeSet = 1;
 920                snd_korg1212_SendStopAndWait(korg1212);
 921        } else
 922                monModeSet = 0;
 923
 924        spin_lock_irqsave(&korg1212->lock, flags);
 925
 926        // ----------------------------------------------------------------------------
 927        // we are about to send new values to the card, so clear the new values queued
 928        // flag.  Also, clear out mailbox 3, so we don't lockup.
 929        // ----------------------------------------------------------------------------
 930        writel(0, korg1212->mailbox3Ptr);
 931        udelay(LOADSHIFT_DELAY);
 932
 933        // ----------------------------------------------------------------------------
 934        // determine whether we are running a 48K or 44.1K clock.  This info is used
 935        // later when setting the SPDIF FF after the volume has been shifted in.
 936        // ----------------------------------------------------------------------------
 937        switch (korg1212->clkSrcRate) {
 938                case K1212_CLKIDX_AdatAt44_1K:
 939                case K1212_CLKIDX_WordAt44_1K:
 940                case K1212_CLKIDX_LocalAt44_1K:
 941                        clkIs48K = 0;
 942                        break;
 943
 944                case K1212_CLKIDX_WordAt48K:
 945                case K1212_CLKIDX_AdatAt48K:
 946                case K1212_CLKIDX_LocalAt48K:
 947                default:
 948                        clkIs48K = 1;
 949                        break;
 950        }
 951
 952        // ----------------------------------------------------------------------------
 953        // start the update.  Setup the bit structure and then shift the bits.
 954        // ----------------------------------------------------------------------------
 955        sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 956        sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 957        sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 958        sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 959
 960        // ----------------------------------------------------------------------------
 961        // now start shifting the bits in.  Start with the left channel then the right.
 962        // ----------------------------------------------------------------------------
 963        for (channel = 0; channel < 2; channel++) {
 964
 965                // ----------------------------------------------------------------------------
 966                // Bring the load/shift line low, then wait - the spec says >150ns from load/
 967                // shift low to the first rising edge of the clock.
 968                // ----------------------------------------------------------------------------
 969                ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 970                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 971                writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 972                udelay(LOADSHIFT_DELAY);
 973
 974                for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 975                        if (channel == 0) {
 976                                if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 977                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 978                                else
 979                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 980                        } else {
 981                                if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 982                                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 983                                else
 984                                        ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 985                        }
 986
 987                        ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 988                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 989                        udelay(SENSCLKPULSE_WIDTH);
 990                        SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 991                        writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
 992                        udelay(SENSCLKPULSE_WIDTH);
 993                }
 994
 995                // ----------------------------------------------------------------------------
 996                // finish up SPDIF for left.  Bring the load/shift line high, then write a one
 997                // bit if the clock rate is 48K otherwise write 0.
 998                // ----------------------------------------------------------------------------
 999                ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1000                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1001                SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1002                writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1003                udelay(SENSCLKPULSE_WIDTH);
1004
1005                if (clkIs48K)
1006                        SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1007
1008                writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1009                udelay(ONE_RTC_TICK);
1010                SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011                writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1012                udelay(SENSCLKPULSE_WIDTH);
1013                ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1014                writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1015                udelay(SENSCLKPULSE_WIDTH);
1016        }
1017
1018        // ----------------------------------------------------------------------------
1019        // The update is complete.  Set a timeout.  This is the inter-update delay.
1020        // Also, if the card was in monitor mode, restore it.
1021        // ----------------------------------------------------------------------------
1022        for (count = 0; count < 10; count++)
1023                udelay(SENSCLKPULSE_WIDTH);
1024
1025        if (monModeSet) {
1026                int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1027                                K1212_MODE_MonitorOn, 0, 0, 0);
1028                if (rc)
1029                        K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1030                                           rc, stateName[korg1212->cardState]);
1031        }
1032
1033        spin_unlock_irqrestore(&korg1212->lock, flags);
1034
1035        return 1;
1036}
1037
1038static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1039{
1040        int channel, rc;
1041
1042        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1043                           stateName[korg1212->cardState]);
1044
1045        // ----------------------------------------------------
1046        // tell the card to boot
1047        // ----------------------------------------------------
1048        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1049
1050        if (rc)
1051                K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1052                                   rc, stateName[korg1212->cardState]);
1053        msleep(DSP_BOOT_DELAY_IN_MS);
1054
1055        // --------------------------------------------------------------------------------
1056        // Let the card know where all the buffers are.
1057        // --------------------------------------------------------------------------------
1058        rc = snd_korg1212_Send1212Command(korg1212,
1059                        K1212_DB_ConfigureBufferMemory,
1060                        LowerWordSwap(korg1212->PlayDataPhy),
1061                        LowerWordSwap(korg1212->RecDataPhy),
1062                        ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1063                                                                   // is based on 2 buffers
1064                        0
1065        );
1066
1067        if (rc)
1068                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1069                                   rc, stateName[korg1212->cardState]);
1070
1071        udelay(INTERCOMMAND_DELAY);
1072
1073        rc = snd_korg1212_Send1212Command(korg1212,
1074                        K1212_DB_ConfigureMiscMemory,
1075                        LowerWordSwap(korg1212->VolumeTablePhy),
1076                        LowerWordSwap(korg1212->RoutingTablePhy),
1077                        LowerWordSwap(korg1212->AdatTimeCodePhy),
1078                        0
1079        );
1080
1081        if (rc)
1082                K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1083                                   rc, stateName[korg1212->cardState]);
1084
1085        // --------------------------------------------------------------------------------
1086        // Initialize the routing and volume tables, then update the card's state.
1087        // --------------------------------------------------------------------------------
1088        udelay(INTERCOMMAND_DELAY);
1089
1090        for (channel = 0; channel < kAudioChannels; channel++) {
1091                korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1092                //korg1212->sharedBufferPtr->routeData[channel] = channel;
1093                korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1094        }
1095
1096        snd_korg1212_WriteADCSensitivity(korg1212);
1097
1098        udelay(INTERCOMMAND_DELAY);
1099        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1100                                          ClockSourceSelector[korg1212->clkSrcRate],
1101                                          0, 0, 0);
1102        if (rc)
1103                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1104                                   rc, stateName[korg1212->cardState]);
1105
1106        rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1107        snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1108
1109        if (rc)
1110                K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1111                                   rc, stateName[korg1212->cardState]);
1112
1113        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1114}
1115
1116static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1117{
1118        u32 doorbellValue;
1119        struct snd_korg1212 *korg1212 = dev_id;
1120
1121        doorbellValue = readl(korg1212->inDoorbellPtr);
1122
1123        if (!doorbellValue)
1124                return IRQ_NONE;
1125
1126        spin_lock(&korg1212->lock);
1127
1128        writel(doorbellValue, korg1212->inDoorbellPtr);
1129
1130        korg1212->irqcount++;
1131
1132        korg1212->inIRQ++;
1133
1134        switch (doorbellValue) {
1135                case K1212_DB_DSPDownloadDone:
1136                        K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1137                                           korg1212->irqcount, doorbellValue,
1138                                           stateName[korg1212->cardState]);
1139                        if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1140                                korg1212->dsp_is_loaded = 1;
1141                                wake_up(&korg1212->wait);
1142                        }
1143                        break;
1144
1145                // ------------------------------------------------------------------------
1146                // an error occurred - stop the card
1147                // ------------------------------------------------------------------------
1148                case K1212_DB_DMAERROR:
1149                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1150                                                   korg1212->irqcount, doorbellValue,
1151                                                   stateName[korg1212->cardState]);
1152                        snd_printk(KERN_ERR "korg1212: DMA Error\n");
1153                        korg1212->errorcnt++;
1154                        korg1212->totalerrorcnt++;
1155                        korg1212->sharedBufferPtr->cardCommand = 0;
1156                        snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1157                        break;
1158
1159                // ------------------------------------------------------------------------
1160                // the card has stopped by our request.  Clear the command word and signal
1161                // the semaphore in case someone is waiting for this.
1162                // ------------------------------------------------------------------------
1163                case K1212_DB_CARDSTOPPED:
1164                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1165                                                   korg1212->irqcount, doorbellValue,
1166                                                   stateName[korg1212->cardState]);
1167                        korg1212->sharedBufferPtr->cardCommand = 0;
1168                        break;
1169
1170                default:
1171                        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1172                               korg1212->irqcount, doorbellValue, 
1173                               korg1212->currentBuffer, stateName[korg1212->cardState]);
1174                        if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1175                                korg1212->currentBuffer++;
1176
1177                                if (korg1212->currentBuffer >= kNumBuffers)
1178                                        korg1212->currentBuffer = 0;
1179
1180                                if (!korg1212->running)
1181                                        break;
1182
1183                                if (korg1212->capture_substream) {
1184                                        spin_unlock(&korg1212->lock);
1185                                        snd_pcm_period_elapsed(korg1212->capture_substream);
1186                                        spin_lock(&korg1212->lock);
1187                                }
1188
1189                                if (korg1212->playback_substream) {
1190                                        spin_unlock(&korg1212->lock);
1191                                        snd_pcm_period_elapsed(korg1212->playback_substream);
1192                                        spin_lock(&korg1212->lock);
1193                                }
1194                        }
1195                        break;
1196        }
1197
1198        korg1212->inIRQ--;
1199
1200        spin_unlock(&korg1212->lock);
1201
1202        return IRQ_HANDLED;
1203}
1204
1205static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1206{
1207        int rc;
1208
1209        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1210                           stateName[korg1212->cardState]);
1211
1212        // ---------------------------------------------------------------
1213        // verify the state of the card before proceeding.
1214        // ---------------------------------------------------------------
1215        if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1216                return 1;
1217
1218        snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1219
1220        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1221                                     UpperWordSwap(korg1212->dma_dsp.addr),
1222                                     0, 0, 0);
1223        if (rc)
1224                K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1225                                   rc, stateName[korg1212->cardState]);
1226
1227        korg1212->dsp_is_loaded = 0;
1228        wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1229        if (! korg1212->dsp_is_loaded )
1230                return -EBUSY; /* timeout */
1231
1232        snd_korg1212_OnDSPDownloadComplete(korg1212);
1233
1234        return 0;
1235}
1236
1237static struct snd_pcm_hardware snd_korg1212_playback_info =
1238{
1239        .info =              (SNDRV_PCM_INFO_MMAP |
1240                              SNDRV_PCM_INFO_MMAP_VALID |
1241                              SNDRV_PCM_INFO_INTERLEAVED),
1242        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1243        .rates =              (SNDRV_PCM_RATE_44100 |
1244                              SNDRV_PCM_RATE_48000),
1245        .rate_min =           44100,
1246        .rate_max =           48000,
1247        .channels_min =       K1212_MIN_CHANNELS,
1248        .channels_max =       K1212_MAX_CHANNELS,
1249        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1250        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1251        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1252        .periods_min =        K1212_PERIODS,
1253        .periods_max =        K1212_PERIODS,
1254        .fifo_size =          0,
1255};
1256
1257static struct snd_pcm_hardware snd_korg1212_capture_info =
1258{
1259        .info =              (SNDRV_PCM_INFO_MMAP |
1260                              SNDRV_PCM_INFO_MMAP_VALID |
1261                              SNDRV_PCM_INFO_INTERLEAVED),
1262        .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1263        .rates =              (SNDRV_PCM_RATE_44100 |
1264                              SNDRV_PCM_RATE_48000),
1265        .rate_min =           44100,
1266        .rate_max =           48000,
1267        .channels_min =       K1212_MIN_CHANNELS,
1268        .channels_max =       K1212_MAX_CHANNELS,
1269        .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1270        .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1271        .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1272        .periods_min =        K1212_PERIODS,
1273        .periods_max =        K1212_PERIODS,
1274        .fifo_size =          0,
1275};
1276
1277static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1278{
1279        struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1280        int i;
1281
1282        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1283                                   pos, offset, size, count);
1284        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1285                return -EINVAL;
1286
1287        for (i=0; i < count; i++) {
1288#if K1212_DEBUG_LEVEL > 0
1289                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1290                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1291                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1292                               dst, i);
1293                        return -EFAULT;
1294                }
1295#endif
1296                memset((void*) dst + offset, 0, size);
1297                dst++;
1298        }
1299
1300        return 0;
1301}
1302
1303static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1304{
1305        struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1306        int i, rc;
1307
1308        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1309                                   pos, offset, size);
1310        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1311                return -EINVAL;
1312
1313        for (i=0; i < count; i++) {
1314#if K1212_DEBUG_LEVEL > 0
1315                if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1316                     (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1317                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1318                        return -EFAULT;
1319                }
1320#endif
1321                rc = copy_to_user(dst + offset, src, size);
1322                if (rc) {
1323                        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1324                        return -EFAULT;
1325                }
1326                src++;
1327                dst += size;
1328        }
1329
1330        return 0;
1331}
1332
1333static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1334{
1335        struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1336        int i, rc;
1337
1338        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1339                                   pos, offset, size, count);
1340
1341        if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1342                return -EINVAL;
1343
1344        for (i=0; i < count; i++) {
1345#if K1212_DEBUG_LEVEL > 0
1346                if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1347                     (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1348                        printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1349                        return -EFAULT;
1350                }
1351#endif
1352                rc = copy_from_user((void*) dst + offset, src, size);
1353                if (rc) {
1354                        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1355                        return -EFAULT;
1356                }
1357                dst++;
1358                src += size;
1359        }
1360
1361        return 0;
1362}
1363
1364static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1365{
1366        struct snd_korg1212 *korg1212 = pcm->private_data;
1367
1368        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1369                           stateName[korg1212->cardState]);
1370
1371        korg1212->pcm = NULL;
1372}
1373
1374static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1375{
1376        unsigned long flags;
1377        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1378        struct snd_pcm_runtime *runtime = substream->runtime;
1379
1380        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1381                           stateName[korg1212->cardState]);
1382
1383        snd_korg1212_OpenCard(korg1212);
1384
1385        runtime->hw = snd_korg1212_playback_info;
1386        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1387
1388        spin_lock_irqsave(&korg1212->lock, flags);
1389
1390        korg1212->playback_substream = substream;
1391        korg1212->playback_pid = current->pid;
1392        korg1212->periodsize = K1212_PERIODS;
1393        korg1212->channels = K1212_CHANNELS;
1394        korg1212->errorcnt = 0;
1395
1396        spin_unlock_irqrestore(&korg1212->lock, flags);
1397
1398        snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1399        return 0;
1400}
1401
1402
1403static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1404{
1405        unsigned long flags;
1406        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1407        struct snd_pcm_runtime *runtime = substream->runtime;
1408
1409        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1410                           stateName[korg1212->cardState]);
1411
1412        snd_korg1212_OpenCard(korg1212);
1413
1414        runtime->hw = snd_korg1212_capture_info;
1415        snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1416
1417        spin_lock_irqsave(&korg1212->lock, flags);
1418
1419        korg1212->capture_substream = substream;
1420        korg1212->capture_pid = current->pid;
1421        korg1212->periodsize = K1212_PERIODS;
1422        korg1212->channels = K1212_CHANNELS;
1423
1424        spin_unlock_irqrestore(&korg1212->lock, flags);
1425
1426        snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1427                                     kPlayBufferFrames, kPlayBufferFrames);
1428        return 0;
1429}
1430
1431static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1432{
1433        unsigned long flags;
1434        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1435
1436        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1437                           stateName[korg1212->cardState]);
1438
1439        snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1440
1441        spin_lock_irqsave(&korg1212->lock, flags);
1442
1443        korg1212->playback_pid = -1;
1444        korg1212->playback_substream = NULL;
1445        korg1212->periodsize = 0;
1446
1447        spin_unlock_irqrestore(&korg1212->lock, flags);
1448
1449        snd_korg1212_CloseCard(korg1212);
1450        return 0;
1451}
1452
1453static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1454{
1455        unsigned long flags;
1456        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1457
1458        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1459                           stateName[korg1212->cardState]);
1460
1461        spin_lock_irqsave(&korg1212->lock, flags);
1462
1463        korg1212->capture_pid = -1;
1464        korg1212->capture_substream = NULL;
1465        korg1212->periodsize = 0;
1466
1467        spin_unlock_irqrestore(&korg1212->lock, flags);
1468
1469        snd_korg1212_CloseCard(korg1212);
1470        return 0;
1471}
1472
1473static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1474                             unsigned int cmd, void *arg)
1475{
1476        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1477
1478        if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1479                struct snd_pcm_channel_info *info = arg;
1480                info->offset = 0;
1481                info->first = info->channel * 16;
1482                info->step = 256;
1483                K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1484                return 0;
1485        }
1486
1487        return snd_pcm_lib_ioctl(substream, cmd, arg);
1488}
1489
1490static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1491                             struct snd_pcm_hw_params *params)
1492{
1493        unsigned long flags;
1494        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1495        int err;
1496        pid_t this_pid;
1497        pid_t other_pid;
1498
1499        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1500                           stateName[korg1212->cardState]);
1501
1502        spin_lock_irqsave(&korg1212->lock, flags);
1503
1504        if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1505                this_pid = korg1212->playback_pid;
1506                other_pid = korg1212->capture_pid;
1507        } else {
1508                this_pid = korg1212->capture_pid;
1509                other_pid = korg1212->playback_pid;
1510        }
1511
1512        if ((other_pid > 0) && (this_pid != other_pid)) {
1513
1514                /* The other stream is open, and not by the same
1515                   task as this one. Make sure that the parameters
1516                   that matter are the same.
1517                 */
1518
1519                if ((int)params_rate(params) != korg1212->clkRate) {
1520                        spin_unlock_irqrestore(&korg1212->lock, flags);
1521                        _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1522                        return -EBUSY;
1523                }
1524
1525                spin_unlock_irqrestore(&korg1212->lock, flags);
1526                return 0;
1527        }
1528
1529        if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1530                spin_unlock_irqrestore(&korg1212->lock, flags);
1531                return err;
1532        }
1533
1534        korg1212->channels = params_channels(params);
1535        korg1212->periodsize = K1212_PERIOD_BYTES;
1536
1537        spin_unlock_irqrestore(&korg1212->lock, flags);
1538
1539        return 0;
1540}
1541
1542static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1543{
1544        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1545        int rc;
1546
1547        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1548                           stateName[korg1212->cardState]);
1549
1550        spin_lock_irq(&korg1212->lock);
1551
1552        /* FIXME: we should wait for ack! */
1553        if (korg1212->stop_pending_cnt > 0) {
1554                K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1555                                   stateName[korg1212->cardState]);
1556                spin_unlock_irq(&korg1212->lock);
1557                return -EAGAIN;
1558                /*
1559                korg1212->sharedBufferPtr->cardCommand = 0;
1560                del_timer(&korg1212->timer);
1561                korg1212->stop_pending_cnt = 0;
1562                */
1563        }
1564
1565        rc = snd_korg1212_SetupForPlay(korg1212);
1566
1567        korg1212->currentBuffer = 0;
1568
1569        spin_unlock_irq(&korg1212->lock);
1570
1571        return rc ? -EINVAL : 0;
1572}
1573
1574static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1575                           int cmd)
1576{
1577        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1578        int rc;
1579
1580        K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1581                           stateName[korg1212->cardState], cmd);
1582
1583        spin_lock(&korg1212->lock);
1584        switch (cmd) {
1585                case SNDRV_PCM_TRIGGER_START:
1586/*
1587                        if (korg1212->running) {
1588                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1589                                break;
1590                        }
1591*/
1592                        korg1212->running++;
1593                        rc = snd_korg1212_TriggerPlay(korg1212);
1594                        break;
1595
1596                case SNDRV_PCM_TRIGGER_STOP:
1597/*
1598                        if (!korg1212->running) {
1599                                K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1600                                break;
1601                        }
1602*/
1603                        korg1212->running--;
1604                        rc = snd_korg1212_StopPlay(korg1212);
1605                        break;
1606
1607                default:
1608                        rc = 1;
1609                        break;
1610        }
1611        spin_unlock(&korg1212->lock);
1612        return rc ? -EINVAL : 0;
1613}
1614
1615static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1616{
1617        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1618        snd_pcm_uframes_t pos;
1619
1620        pos = korg1212->currentBuffer * kPlayBufferFrames;
1621
1622        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1623                                   stateName[korg1212->cardState], pos);
1624
1625        return pos;
1626}
1627
1628static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1629{
1630        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1631        snd_pcm_uframes_t pos;
1632
1633        pos = korg1212->currentBuffer * kPlayBufferFrames;
1634
1635        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1636                                   stateName[korg1212->cardState], pos);
1637
1638        return pos;
1639}
1640
1641static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1642                        int channel, /* not used (interleaved data) */
1643                        snd_pcm_uframes_t pos,
1644                        void __user *src,
1645                        snd_pcm_uframes_t count)
1646{
1647        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1648
1649        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1650                                   stateName[korg1212->cardState], pos, count);
1651 
1652        return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1653
1654}
1655
1656static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1657                           int channel, /* not used (interleaved data) */
1658                           snd_pcm_uframes_t pos,
1659                           snd_pcm_uframes_t count)
1660{
1661        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1662
1663        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1664                                   stateName[korg1212->cardState]);
1665
1666        return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1667}
1668
1669static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1670                        int channel, /* not used (interleaved data) */
1671                        snd_pcm_uframes_t pos,
1672                        void __user *dst,
1673                        snd_pcm_uframes_t count)
1674{
1675        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1676
1677        K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1678                                   stateName[korg1212->cardState], pos, count);
1679
1680        return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1681}
1682
1683static struct snd_pcm_ops snd_korg1212_playback_ops = {
1684        .open =         snd_korg1212_playback_open,
1685        .close =        snd_korg1212_playback_close,
1686        .ioctl =        snd_korg1212_ioctl,
1687        .hw_params =    snd_korg1212_hw_params,
1688        .prepare =      snd_korg1212_prepare,
1689        .trigger =      snd_korg1212_trigger,
1690        .pointer =      snd_korg1212_playback_pointer,
1691        .copy =         snd_korg1212_playback_copy,
1692        .silence =      snd_korg1212_playback_silence,
1693};
1694
1695static struct snd_pcm_ops snd_korg1212_capture_ops = {
1696        .open =         snd_korg1212_capture_open,
1697        .close =        snd_korg1212_capture_close,
1698        .ioctl =        snd_korg1212_ioctl,
1699        .hw_params =    snd_korg1212_hw_params,
1700        .prepare =      snd_korg1212_prepare,
1701        .trigger =      snd_korg1212_trigger,
1702        .pointer =      snd_korg1212_capture_pointer,
1703        .copy =         snd_korg1212_capture_copy,
1704};
1705
1706/*
1707 * Control Interface
1708 */
1709
1710static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1711                                           struct snd_ctl_elem_info *uinfo)
1712{
1713        uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1714        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1715        return 0;
1716}
1717
1718static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1719                                          struct snd_ctl_elem_value *u)
1720{
1721        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1722        int i = kcontrol->private_value;
1723
1724        spin_lock_irq(&korg1212->lock);
1725
1726        u->value.integer.value[0] = korg1212->volumePhase[i];
1727
1728        if (i >= 8)
1729                u->value.integer.value[1] = korg1212->volumePhase[i+1];
1730
1731        spin_unlock_irq(&korg1212->lock);
1732
1733        return 0;
1734}
1735
1736static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1737                                          struct snd_ctl_elem_value *u)
1738{
1739        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1740        int change = 0;
1741        int i, val;
1742
1743        spin_lock_irq(&korg1212->lock);
1744
1745        i = kcontrol->private_value;
1746
1747        korg1212->volumePhase[i] = !!u->value.integer.value[0];
1748
1749        val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1750
1751        if ((u->value.integer.value[0] != 0) != (val < 0)) {
1752                val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1753                korg1212->sharedBufferPtr->volumeData[i] = val;
1754                change = 1;
1755        }
1756
1757        if (i >= 8) {
1758                korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1759
1760                val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1761
1762                if ((u->value.integer.value[1] != 0) != (val < 0)) {
1763                        val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1764                        korg1212->sharedBufferPtr->volumeData[i+1] = val;
1765                        change = 1;
1766                }
1767        }
1768
1769        spin_unlock_irq(&korg1212->lock);
1770
1771        return change;
1772}
1773
1774static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1775                                            struct snd_ctl_elem_info *uinfo)
1776{
1777        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1778        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1779        uinfo->value.integer.min = k1212MinVolume;
1780        uinfo->value.integer.max = k1212MaxVolume;
1781        return 0;
1782}
1783
1784static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1785                                           struct snd_ctl_elem_value *u)
1786{
1787        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1788        int i;
1789
1790        spin_lock_irq(&korg1212->lock);
1791
1792        i = kcontrol->private_value;
1793        u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1794
1795        if (i >= 8) 
1796                u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1797
1798        spin_unlock_irq(&korg1212->lock);
1799
1800        return 0;
1801}
1802
1803static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1804                                           struct snd_ctl_elem_value *u)
1805{
1806        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807        int change = 0;
1808        int i;
1809        int val;
1810
1811        spin_lock_irq(&korg1212->lock);
1812
1813        i = kcontrol->private_value;
1814
1815        if (u->value.integer.value[0] >= k1212MinVolume && 
1816            u->value.integer.value[0] >= k1212MaxVolume &&
1817            u->value.integer.value[0] !=
1818            abs(korg1212->sharedBufferPtr->volumeData[i])) {
1819                val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1820                val *= u->value.integer.value[0];
1821                korg1212->sharedBufferPtr->volumeData[i] = val;
1822                change = 1;
1823        }
1824
1825        if (i >= 8) {
1826                if (u->value.integer.value[1] >= k1212MinVolume && 
1827                    u->value.integer.value[1] >= k1212MaxVolume &&
1828                    u->value.integer.value[1] !=
1829                    abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1830                        val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1831                        val *= u->value.integer.value[1];
1832                        korg1212->sharedBufferPtr->volumeData[i+1] = val;
1833                        change = 1;
1834                }
1835        }
1836
1837        spin_unlock_irq(&korg1212->lock);
1838
1839        return change;
1840}
1841
1842static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1843                                           struct snd_ctl_elem_info *uinfo)
1844{
1845        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1846        uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1847        uinfo->value.enumerated.items = kAudioChannels;
1848        if (uinfo->value.enumerated.item > kAudioChannels-1) {
1849                uinfo->value.enumerated.item = kAudioChannels-1;
1850        }
1851        strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1852        return 0;
1853}
1854
1855static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1856                                          struct snd_ctl_elem_value *u)
1857{
1858        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1859        int i;
1860
1861        spin_lock_irq(&korg1212->lock);
1862
1863        i = kcontrol->private_value;
1864        u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1865
1866        if (i >= 8) 
1867                u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1868
1869        spin_unlock_irq(&korg1212->lock);
1870
1871        return 0;
1872}
1873
1874static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1875                                          struct snd_ctl_elem_value *u)
1876{
1877        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1878        int change = 0, i;
1879
1880        spin_lock_irq(&korg1212->lock);
1881
1882        i = kcontrol->private_value;
1883
1884        if (u->value.enumerated.item[0] < kAudioChannels &&
1885            u->value.enumerated.item[0] !=
1886            (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1887                korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1888                change = 1;
1889        }
1890
1891        if (i >= 8) {
1892                if (u->value.enumerated.item[1] < kAudioChannels &&
1893                    u->value.enumerated.item[1] !=
1894                    (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1895                        korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1896                        change = 1;
1897                }
1898        }
1899
1900        spin_unlock_irq(&korg1212->lock);
1901
1902        return change;
1903}
1904
1905static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1906                                     struct snd_ctl_elem_info *uinfo)
1907{
1908        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1909        uinfo->count = 2;
1910        uinfo->value.integer.min = k1212MaxADCSens;
1911        uinfo->value.integer.max = k1212MinADCSens;
1912        return 0;
1913}
1914
1915static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1916                                    struct snd_ctl_elem_value *u)
1917{
1918        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1919
1920        spin_lock_irq(&korg1212->lock);
1921
1922        u->value.integer.value[0] = korg1212->leftADCInSens;
1923        u->value.integer.value[1] = korg1212->rightADCInSens;
1924
1925        spin_unlock_irq(&korg1212->lock);
1926
1927        return 0;
1928}
1929
1930static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1931                                    struct snd_ctl_elem_value *u)
1932{
1933        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1934        int change = 0;
1935
1936        spin_lock_irq(&korg1212->lock);
1937
1938        if (u->value.integer.value[0] >= k1212MinADCSens &&
1939            u->value.integer.value[0] <= k1212MaxADCSens &&
1940            u->value.integer.value[0] != korg1212->leftADCInSens) {
1941                korg1212->leftADCInSens = u->value.integer.value[0];
1942                change = 1;
1943        }
1944        if (u->value.integer.value[1] >= k1212MinADCSens &&
1945            u->value.integer.value[1] <= k1212MaxADCSens &&
1946            u->value.integer.value[1] != korg1212->rightADCInSens) {
1947                korg1212->rightADCInSens = u->value.integer.value[1];
1948                change = 1;
1949        }
1950
1951        spin_unlock_irq(&korg1212->lock);
1952
1953        if (change)
1954                snd_korg1212_WriteADCSensitivity(korg1212);
1955
1956        return change;
1957}
1958
1959static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1960                                          struct snd_ctl_elem_info *uinfo)
1961{
1962        uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1963        uinfo->count = 1;
1964        uinfo->value.enumerated.items = 3;
1965        if (uinfo->value.enumerated.item > 2) {
1966                uinfo->value.enumerated.item = 2;
1967        }
1968        strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1969        return 0;
1970}
1971
1972static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1973                                         struct snd_ctl_elem_value *ucontrol)
1974{
1975        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1976
1977        spin_lock_irq(&korg1212->lock);
1978
1979        ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1980
1981        spin_unlock_irq(&korg1212->lock);
1982        return 0;
1983}
1984
1985static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1986                                         struct snd_ctl_elem_value *ucontrol)
1987{
1988        struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1989        unsigned int val;
1990        int change;
1991
1992        val = ucontrol->value.enumerated.item[0] % 3;
1993        spin_lock_irq(&korg1212->lock);
1994        change = val != korg1212->clkSource;
1995        snd_korg1212_SetClockSource(korg1212, val);
1996        spin_unlock_irq(&korg1212->lock);
1997        return change;
1998}
1999
2000#define MON_MIXER(ord,c_name)                                                                   \
2001        {                                                                                       \
2002                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2003                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2004                .name =         c_name " Monitor Volume",                                       \
2005                .info =         snd_korg1212_control_volume_info,                               \
2006                .get =          snd_korg1212_control_volume_get,                                \
2007                .put =          snd_korg1212_control_volume_put,                                \
2008                .private_value = ord,                                                           \
2009        },                                                                                      \
2010        {                                                                                       \
2011                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2012                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2013                .name =         c_name " Monitor Route",                                        \
2014                .info =         snd_korg1212_control_route_info,                                \
2015                .get =          snd_korg1212_control_route_get,                                 \
2016                .put =          snd_korg1212_control_route_put,                                 \
2017                .private_value = ord,                                                           \
2018        },                                                                                      \
2019        {                                                                                       \
2020                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2021                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2022                .name =         c_name " Monitor Phase Invert",                                 \
2023                .info =         snd_korg1212_control_phase_info,                                \
2024                .get =          snd_korg1212_control_phase_get,                                 \
2025                .put =          snd_korg1212_control_phase_put,                                 \
2026                .private_value = ord,                                                           \
2027        }
2028
2029static struct snd_kcontrol_new snd_korg1212_controls[] = {
2030        MON_MIXER(8, "Analog"),
2031        MON_MIXER(10, "SPDIF"), 
2032        MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2033        MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2034        {
2035                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2036                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2037                .name =         "Sync Source",
2038                .info =         snd_korg1212_control_sync_info,
2039                .get =          snd_korg1212_control_sync_get,
2040                .put =          snd_korg1212_control_sync_put,
2041        },
2042        {
2043                .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2044                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2045                .name =         "ADC Attenuation",
2046                .info =         snd_korg1212_control_info,
2047                .get =          snd_korg1212_control_get,
2048                .put =          snd_korg1212_control_put,
2049        }
2050};
2051
2052/*
2053 * proc interface
2054 */
2055
2056static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2057                                   struct snd_info_buffer *buffer)
2058{
2059        int n;
2060        struct snd_korg1212 *korg1212 = entry->private_data;
2061
2062        snd_iprintf(buffer, korg1212->card->longname);
2063        snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2064        snd_iprintf(buffer, "\nGeneral settings\n");
2065        snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2066        snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2067        snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2068        snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2069        snd_iprintf(buffer, "    Volume Info:\n");
2070        for (n=0; n<kAudioChannels; n++)
2071                snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2072                                    channelName[n],
2073                                    channelName[korg1212->sharedBufferPtr->routeData[n]],
2074                                    korg1212->sharedBufferPtr->volumeData[n]);
2075        snd_iprintf(buffer, "\nGeneral status\n");
2076        snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2077        snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2078        snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2079        snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2080        snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2081        snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2082}
2083
2084static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2085{
2086        struct snd_info_entry *entry;
2087
2088        if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2089                snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2090}
2091
2092static int
2093snd_korg1212_free(struct snd_korg1212 *korg1212)
2094{
2095        snd_korg1212_TurnOffIdleMonitor(korg1212);
2096
2097        if (korg1212->irq >= 0) {
2098                snd_korg1212_DisableCardInterrupts(korg1212);
2099                free_irq(korg1212->irq, korg1212);
2100                korg1212->irq = -1;
2101        }
2102        
2103        if (korg1212->iobase != NULL) {
2104                iounmap(korg1212->iobase);
2105                korg1212->iobase = NULL;
2106        }
2107        
2108        pci_release_regions(korg1212->pci);
2109
2110        // ----------------------------------------------------
2111        // free up memory resources used for the DSP download.
2112        // ----------------------------------------------------
2113        if (korg1212->dma_dsp.area) {
2114                snd_dma_free_pages(&korg1212->dma_dsp);
2115                korg1212->dma_dsp.area = NULL;
2116        }
2117
2118#ifndef K1212_LARGEALLOC
2119
2120        // ------------------------------------------------------
2121        // free up memory resources used for the Play/Rec Buffers
2122        // ------------------------------------------------------
2123        if (korg1212->dma_play.area) {
2124                snd_dma_free_pages(&korg1212->dma_play);
2125                korg1212->dma_play.area = NULL;
2126        }
2127
2128        if (korg1212->dma_rec.area) {
2129                snd_dma_free_pages(&korg1212->dma_rec);
2130                korg1212->dma_rec.area = NULL;
2131        }
2132
2133#endif
2134
2135        // ----------------------------------------------------
2136        // free up memory resources used for the Shared Buffers
2137        // ----------------------------------------------------
2138        if (korg1212->dma_shared.area) {
2139                snd_dma_free_pages(&korg1212->dma_shared);
2140                korg1212->dma_shared.area = NULL;
2141        }
2142        
2143        pci_disable_device(korg1212->pci);
2144        kfree(korg1212);
2145        return 0;
2146}
2147
2148static int snd_korg1212_dev_free(struct snd_device *device)
2149{
2150        struct snd_korg1212 *korg1212 = device->device_data;
2151        K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2152        return snd_korg1212_free(korg1212);
2153}
2154
2155static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2156                                         struct snd_korg1212 ** rchip)
2157
2158{
2159        int err, rc;
2160        unsigned int i;
2161        unsigned ioport_size, iomem_size, iomem2_size;
2162        struct snd_korg1212 * korg1212;
2163        const struct firmware *dsp_code;
2164
2165        static struct snd_device_ops ops = {
2166                .dev_free = snd_korg1212_dev_free,
2167        };
2168
2169        * rchip = NULL;
2170        if ((err = pci_enable_device(pci)) < 0)
2171                return err;
2172
2173        korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2174        if (korg1212 == NULL) {
2175                pci_disable_device(pci);
2176                return -ENOMEM;
2177        }
2178
2179        korg1212->card = card;
2180        korg1212->pci = pci;
2181
2182        init_waitqueue_head(&korg1212->wait);
2183        spin_lock_init(&korg1212->lock);
2184        mutex_init(&korg1212->open_mutex);
2185        init_timer(&korg1212->timer);
2186        korg1212->timer.function = snd_korg1212_timer_func;
2187        korg1212->timer.data = (unsigned long)korg1212;
2188
2189        korg1212->irq = -1;
2190        korg1212->clkSource = K1212_CLKIDX_Local;
2191        korg1212->clkRate = 44100;
2192        korg1212->inIRQ = 0;
2193        korg1212->running = 0;
2194        korg1212->opencnt = 0;
2195        korg1212->playcnt = 0;
2196        korg1212->setcnt = 0;
2197        korg1212->totalerrorcnt = 0;
2198        korg1212->playback_pid = -1;
2199        korg1212->capture_pid = -1;
2200        snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2201        korg1212->idleMonitorOn = 0;
2202        korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2203        korg1212->leftADCInSens = k1212MaxADCSens;
2204        korg1212->rightADCInSens = k1212MaxADCSens;
2205
2206        for (i=0; i<kAudioChannels; i++)
2207                korg1212->volumePhase[i] = 0;
2208
2209        if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2210                kfree(korg1212);
2211                pci_disable_device(pci);
2212                return err;
2213        }
2214
2215        korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2216        korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2217        korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2218
2219        iomem_size = pci_resource_len(korg1212->pci, 0);
2220        ioport_size = pci_resource_len(korg1212->pci, 1);
2221        iomem2_size = pci_resource_len(korg1212->pci, 2);
2222
2223        K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2224                   "    iomem = 0x%lx (%d)\n"
2225                   "    ioport  = 0x%lx (%d)\n"
2226                   "    iomem = 0x%lx (%d)\n"
2227                   "    [%s]\n",
2228                   korg1212->iomem, iomem_size,
2229                   korg1212->ioport, ioport_size,
2230                   korg1212->iomem2, iomem2_size,
2231                   stateName[korg1212->cardState]);
2232
2233        if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2234                snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2235                           korg1212->iomem + iomem_size - 1);
2236                snd_korg1212_free(korg1212);
2237                return -EBUSY;
2238        }
2239
2240        err = request_irq(pci->irq, snd_korg1212_interrupt,
2241                          IRQF_SHARED,
2242                          "korg1212", korg1212);
2243
2244        if (err) {
2245                snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2246                snd_korg1212_free(korg1212);
2247                return -EBUSY;
2248        }
2249
2250        korg1212->irq = pci->irq;
2251
2252        pci_set_master(korg1212->pci);
2253
2254        korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2255        korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2256        korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2257        korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2258        korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2259        korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2260        korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2261        korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2262        korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2263        korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2264
2265        K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2266                   "    Status register = 0x%p\n"
2267                   "    OutDoorbell     = 0x%p\n"
2268                   "    InDoorbell      = 0x%p\n"
2269                   "    Mailbox0        = 0x%p\n"
2270                   "    Mailbox1        = 0x%p\n"
2271                   "    Mailbox2        = 0x%p\n"
2272                   "    Mailbox3        = 0x%p\n"
2273                   "    ControlReg      = 0x%p\n"
2274                   "    SensReg         = 0x%p\n"
2275                   "    IDReg           = 0x%p\n"
2276                   "    [%s]\n",
2277                   korg1212->statusRegPtr,
2278                   korg1212->outDoorbellPtr,
2279                   korg1212->inDoorbellPtr,
2280                   korg1212->mailbox0Ptr,
2281                   korg1212->mailbox1Ptr,
2282                   korg1212->mailbox2Ptr,
2283                   korg1212->mailbox3Ptr,
2284                   korg1212->controlRegPtr,
2285                   korg1212->sensRegPtr,
2286                   korg1212->idRegPtr,
2287                   stateName[korg1212->cardState]);
2288
2289        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2290                                sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2291                snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2292                snd_korg1212_free(korg1212);
2293                return -ENOMEM;
2294        }
2295        korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2296        korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2297
2298        K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2299
2300#ifndef K1212_LARGEALLOC
2301
2302        korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2303
2304        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2305                                korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2306                snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2307                snd_korg1212_free(korg1212);
2308                return -ENOMEM;
2309        }
2310        korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2311        korg1212->PlayDataPhy = korg1212->dma_play.addr;
2312
2313        K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2314                korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2315
2316        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2317                                korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2318                snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2319                snd_korg1212_free(korg1212);
2320                return -ENOMEM;
2321        }
2322        korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2323        korg1212->RecDataPhy = korg1212->dma_rec.addr;
2324
2325        K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2326                korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2327
2328#else // K1212_LARGEALLOC
2329
2330        korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2331        korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2332        korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2333        korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2334
2335#endif // K1212_LARGEALLOC
2336
2337        korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2338                offsetof(struct KorgSharedBuffer, volumeData);
2339        korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2340                offsetof(struct KorgSharedBuffer, routeData);
2341        korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2342                offsetof(struct KorgSharedBuffer, AdatTimeCode);
2343
2344        err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2345        if (err < 0) {
2346                release_firmware(dsp_code);
2347                snd_printk(KERN_ERR "firmware not available\n");
2348                snd_korg1212_free(korg1212);
2349                return err;
2350        }
2351
2352        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2353                                dsp_code->size, &korg1212->dma_dsp) < 0) {
2354                snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2355                snd_korg1212_free(korg1212);
2356                release_firmware(dsp_code);
2357                return -ENOMEM;
2358        }
2359
2360        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2361                   korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2362                   stateName[korg1212->cardState]);
2363
2364        memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2365
2366        release_firmware(dsp_code);
2367
2368        rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2369
2370        if (rc)
2371                K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2372
2373        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2374                snd_korg1212_free(korg1212);
2375                return err;
2376        }
2377        
2378        snd_korg1212_EnableCardInterrupts(korg1212);
2379
2380        mdelay(CARD_BOOT_DELAY_IN_MS);
2381
2382        if (snd_korg1212_downloadDSPCode(korg1212))
2383                return -EBUSY;
2384
2385        K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2386               "PlayDataPhy = %08x L[%08x]\n"
2387               "korg1212: RecDataPhy = %08x L[%08x], "
2388               "VolumeTablePhy = %08x L[%08x]\n"
2389               "korg1212: RoutingTablePhy = %08x L[%08x], "
2390               "AdatTimeCodePhy = %08x L[%08x]\n",
2391               (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2392               korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2393               korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2394               korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2395               korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2396               korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2397
2398        if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2399                return err;
2400
2401        korg1212->pcm->private_data = korg1212;
2402        korg1212->pcm->private_free = snd_korg1212_free_pcm;
2403        strcpy(korg1212->pcm->name, "korg1212");
2404
2405        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2406        
2407        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2408
2409        korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2410
2411        for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2412                err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2413                if (err < 0)
2414                        return err;
2415        }
2416
2417        snd_korg1212_proc_init(korg1212);
2418        
2419        snd_card_set_dev(card, &pci->dev);
2420
2421        * rchip = korg1212;
2422        return 0;
2423
2424}
2425
2426/*
2427 * Card initialisation
2428 */
2429
2430static int __devinit
2431snd_korg1212_probe(struct pci_dev *pci,
2432                const struct pci_device_id *pci_id)
2433{
2434        static int dev;
2435        struct snd_korg1212 *korg1212;
2436        struct snd_card *card;
2437        int err;
2438
2439        if (dev >= SNDRV_CARDS) {
2440                return -ENODEV;
2441        }
2442        if (!enable[dev]) {
2443                dev++;
2444                return -ENOENT;
2445        }
2446        card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2447        if (card == NULL)
2448                return -ENOMEM;
2449
2450        if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2451                snd_card_free(card);
2452                return err;
2453        }
2454
2455        strcpy(card->driver, "korg1212");
2456        strcpy(card->shortname, "korg1212");
2457        sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2458                korg1212->iomem, korg1212->irq);
2459
2460        K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2461
2462        if ((err = snd_card_register(card)) < 0) {
2463                snd_card_free(card);
2464                return err;
2465        }
2466        pci_set_drvdata(pci, card);
2467        dev++;
2468        return 0;
2469}
2470
2471static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2472{
2473        snd_card_free(pci_get_drvdata(pci));
2474        pci_set_drvdata(pci, NULL);
2475}
2476
2477static struct pci_driver driver = {
2478        .name = "korg1212",
2479        .id_table = snd_korg1212_ids,
2480        .probe = snd_korg1212_probe,
2481        .remove = __devexit_p(snd_korg1212_remove),
2482};
2483
2484static int __init alsa_card_korg1212_init(void)
2485{
2486        return pci_register_driver(&driver);
2487}
2488
2489static void __exit alsa_card_korg1212_exit(void)
2490{
2491        pci_unregister_driver(&driver);
2492}
2493
2494module_init(alsa_card_korg1212_init)
2495module_exit(alsa_card_korg1212_exit)
2496