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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 <sound/driver.h>
  23 #include <linux/delay.h>
  24 #include <linux/init.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/pci.h>
  27 #include <linux/slab.h>
  28 #include <linux/wait.h>
  29 #include <linux/moduleparam.h>
  30 #include <linux/mutex.h>
  31 #include <linux/firmware.h>
  32
  33 #include <sound/core.h>
  34 #include <sound/info.h>
  35 #include <sound/control.h>
  36 #include <sound/pcm.h>
  37 #include <sound/pcm_params.h>
  38 #include <sound/initval.h>
  39
  40 #include <asm/io.h>
  41
  42 // ----------------------------------------------------------------------------
  43 // Debug Stuff
  44 // ----------------------------------------------------------------------------
  45 #define K1212_DEBUG_LEVEL               0
  46 #if K1212_DEBUG_LEVEL > 0
  47 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  48 #else
  49 #define K1212_DEBUG_PRINTK(fmt,...)
  50 #endif
  51 #if K1212_DEBUG_LEVEL > 1
  52 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  53 #else
  54 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  55 #endif
  56
  57 // ----------------------------------------------------------------------------
  58 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
  59 // buffers are alocated as a large piece inside KorgSharedBuffer.
  60 // ----------------------------------------------------------------------------
  61 //#define K1212_LARGEALLOC              1
  62
  63 // ----------------------------------------------------------------------------
  64 // Valid states of the Korg 1212 I/O card.
  65 // ----------------------------------------------------------------------------
  66 enum CardState {
  67    K1212_STATE_NONEXISTENT,             // there is no card here
  68    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  69    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  70    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  71    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  72                                         //    requests prior to this state should fail.  Only an open
  73                                         //    request can be made at this state.
  74    K1212_STATE_OPEN,                    // an application has opened the card
  75    K1212_STATE_SETUP,                   // the card has been setup for play
  76    K1212_STATE_PLAYING,                 // the card is playing
  77    K1212_STATE_MONITOR,                 // the card is in the monitor mode
  78    K1212_STATE_CALIBRATING,             // the card is currently calibrating
  79    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  80                                         //    are in the process of cleaning things up.
  81    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  82 };
  83
  84 // ----------------------------------------------------------------------------
  85 // The following enumeration defines the constants written to the card's
  86 // host-to-card doorbell to initiate a command.
  87 // ----------------------------------------------------------------------------
  88 enum korg1212_dbcnst {
  89    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  90    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  91    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  92    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  93    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  94    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  95    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  96    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  97                                           //    timecode value.
  98    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  99    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
 100    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
 101    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 102                                           //    on page 4 (local page to card).
 103    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 104                                           //    completed.
 105    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 106 };
 107
 108
 109 // ----------------------------------------------------------------------------
 110 // The following enumeration defines return codes
 111 // to the Korg 1212 I/O driver.
 112 // ----------------------------------------------------------------------------
 113 enum snd_korg1212rc {
 114    K1212_CMDRET_Success         = 0,   // command was successfully placed
 115    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 116    K1212_CMDRET_PMFailure,             // the protected mode call failed
 117    K1212_CMDRET_FailUnspecified,       // unspecified failure
 118    K1212_CMDRET_FailBadState,          // the specified command can not be given in
 119                                        //    the card's current state. (or the wave device's
 120                                        //    state)
 121    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 122    K1212_CMDRET_BadIndex,              // an out of range card index was specified
 123    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 124    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 125    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 126    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 127    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 128
 129    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 130    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 131 };
 132
 133 // ----------------------------------------------------------------------------
 134 // The following enumeration defines the constants used to select the play
 135 // mode for the card in the SelectPlayMode command.
 136 // ----------------------------------------------------------------------------
 137 enum PlayModeSelector {
 138    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 139    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 140    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 141    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 142 };
 143
 144 // ----------------------------------------------------------------------------
 145 // The following enumeration defines the constants used to select the monitor
 146 // mode for the card in the SetMonitorMode command.
 147 // ----------------------------------------------------------------------------
 148 enum MonitorModeSelector {
 149    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 150    K1212_MONMODE_On            // tells card to turn on monitor mode
 151 };
 152
 153 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 154 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 155 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 156 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 157 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 158 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 159 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 160 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 161                                         //    register
 162 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 163                                         //    this is the upper word of the PCI control reg.
 164 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 165
 166 #define COMMAND_ACK_DELAY    13        // number of RTC ticks to wait for an acknowledgement
 167                                         //    from the card after sending a command.
 168 #define INTERCOMMAND_DELAY   40
 169 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 170                                        //    to send a command before giving up.
 171 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 172                                         //    the card.
 173 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 174
 175 #define CARD_BOOT_DELAY_IN_MS  10
 176 #define CARD_BOOT_TIMEOUT      10
 177 #define DSP_BOOT_DELAY_IN_MS   200
 178
 179 #define kNumBuffers             8
 180 #define k1212MaxCards           4
 181 #define k1212NumWaveDevices     6
 182 #define k16BitChannels          10
 183 #define k32BitChannels          2
 184 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 185 #define kPlayBufferFrames       1024
 186
 187 #define K1212_ANALOG_CHANNELS   2
 188 #define K1212_SPDIF_CHANNELS    2
 189 #define K1212_ADAT_CHANNELS     8
 190 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 191 #define K1212_MIN_CHANNELS      1
 192 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 193 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 194 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 195 #define K1212_PERIODS           (kNumBuffers)
 196 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 197 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 198 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 199 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 200 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 201 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 202
 203 #define k1212MinADCSens     0x7f
 204 #define k1212MaxADCSens     0x00
 205 #define k1212MaxVolume      0x7fff
 206 #define k1212MaxWaveVolume  0xffff
 207 #define k1212MinVolume      0x0000
 208 #define k1212MaxVolInverted 0x8000
 209
 210 // -----------------------------------------------------------------
 211 // the following bits are used for controlling interrupts in the
 212 // interrupt control/status reg
 213 // -----------------------------------------------------------------
 214 #define  PCI_INT_ENABLE_BIT               0x00000100
 215 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 216 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 217 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 218 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 219
 220 // -----------------------------------------------------------------
 221 // the following bits are defined for the PCI command register
 222 // -----------------------------------------------------------------
 223 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 224 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 225 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 226
 227 // -----------------------------------------------------------------
 228 // the following bits are defined for the PCI status register
 229 // -----------------------------------------------------------------
 230 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 231 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 232 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 233 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 234 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 235
 236 // ------------------------------------------------------------------------
 237 // the following constants are used in setting the 1212 I/O card's input
 238 // sensitivity.
 239 // ------------------------------------------------------------------------
 240 #define  SET_SENS_LOCALINIT_BITPOS        15
 241 #define  SET_SENS_DATA_BITPOS             10
 242 #define  SET_SENS_CLOCK_BITPOS            8
 243 #define  SET_SENS_LOADSHIFT_BITPOS        0
 244
 245 #define  SET_SENS_LEFTCHANID              0x00
 246 #define  SET_SENS_RIGHTCHANID             0x01
 247
 248 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 249
 250 // --------------------------------------------------------------------------
 251 // WaitRTCTicks
 252 //
 253 //    This function waits the specified number of real time clock ticks.
 254 //    According to the DDK, each tick is ~0.8 microseconds.
 255 //    The defines following the function declaration can be used for the
 256 //    numTicksToWait parameter.
 257 // --------------------------------------------------------------------------
 258 #define ONE_RTC_TICK         1
 259 #define SENSCLKPULSE_WIDTH   4
 260 #define LOADSHIFT_DELAY      4
 261 #define INTERCOMMAND_DELAY  40
 262 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 263                                        //    the command register.  (could be up to 180 us)
 264 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 265                                        //    from the card after sending a command.
 266
 267 #define FIRMWARE_IN_THE_KERNEL
 268
 269 #ifdef FIRMWARE_IN_THE_KERNEL
 270 #include "korg1212-firmware.h"
 271 static const struct firmware static_dsp_code = {
 272         .data = (u8 *)dspCode,
 273         .size = sizeof dspCode
 274 };
 275 #endif
 276
 277 enum ClockSourceIndex {
 278    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 279    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 280    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 281    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 282    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 283    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 284    K1212_CLKIDX_Invalid             // used to check validity of the index
 285 };
 286
 287 enum ClockSourceType {
 288    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 289    K1212_CLKIDX_Word,        // selects source as S/PDIF
 290    K1212_CLKIDX_Local        // selects source as local clock
 291 };
 292
 293 struct KorgAudioFrame {
 294         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 295         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 296         u32 timeCodeVal; /* holds the ADAT timecode value */
 297 };
 298
 299 struct KorgAudioBuffer {
 300         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 301 };
 302
 303 struct KorgSharedBuffer {
 304 #ifdef K1212_LARGEALLOC
 305    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 306    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 307 #endif
 308    short             volumeData[kAudioChannels];
 309    u32               cardCommand;
 310    u16               routeData [kAudioChannels];
 311    u32               AdatTimeCode;                 // ADAT timecode value
 312 };
 313
 314 struct SensBits {
 315    union {
 316       struct {
 317          unsigned int leftChanVal:8;
 318          unsigned int leftChanId:8;
 319       } v;
 320       u16  leftSensBits;
 321    } l;
 322    union {
 323       struct {
 324          unsigned int rightChanVal:8;
 325          unsigned int rightChanId:8;
 326       } v;
 327       u16  rightSensBits;
 328    } r;
 329 };
 330
 331 struct snd_korg1212 {
 332         struct snd_card *card;
 333         struct pci_dev *pci;
 334         struct snd_pcm *pcm;
 335         int irq;
 336
 337         spinlock_t    lock;
 338         struct mutex open_mutex;
 339
 340         struct timer_list timer;        /* timer callback for checking ack of stop request */
 341         int stop_pending_cnt;           /* counter for stop pending check */
 342
 343         wait_queue_head_t wait;
 344
 345         unsigned long iomem;
 346         unsigned long ioport;
 347         unsigned long iomem2;
 348         unsigned long irqcount;
 349         unsigned long inIRQ;
 350         void __iomem *iobase;
 351
 352         struct snd_dma_buffer dma_dsp;
 353         struct snd_dma_buffer dma_play;
 354         struct snd_dma_buffer dma_rec;
 355         struct snd_dma_buffer dma_shared;
 356
 357         u32 DataBufsSize;
 358
 359         struct KorgAudioBuffer  * playDataBufsPtr;
 360         struct KorgAudioBuffer  * recordDataBufsPtr;
 361
 362         struct KorgSharedBuffer * sharedBufferPtr;
 363
 364         u32 RecDataPhy;
 365         u32 PlayDataPhy;
 366         unsigned long sharedBufferPhy;
 367         u32 VolumeTablePhy;
 368         u32 RoutingTablePhy;
 369         u32 AdatTimeCodePhy;
 370
 371         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 372         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 373         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 374         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 375         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 376         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 377         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 378         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 379         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 380         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 381
 382         size_t periodsize;
 383         int channels;
 384         int currentBuffer;
 385
 386         struct snd_pcm_substream *playback_substream;
 387         struct snd_pcm_substream *capture_substream;
 388
 389         pid_t capture_pid;
 390         pid_t playback_pid;
 391
 392         enum CardState cardState;
 393         int running;
 394         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 395         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 396
 397         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 398
 399         enum ClockSourceType clkSource;   // clock source
 400         int clkRate;                 // clock rate
 401
 402         int volumePhase[kAudioChannels];
 403
 404         u16 leftADCInSens;           // ADC left channel input sensitivity
 405         u16 rightADCInSens;          // ADC right channel input sensitivity
 406
 407         int opencnt;                 // Open/Close count
 408         int setcnt;                  // SetupForPlay count
 409         int playcnt;                 // TriggerPlay count
 410         int errorcnt;                // Error Count
 411         unsigned long totalerrorcnt; // Total Error Count
 412
 413         int dsp_is_loaded;
 414         int dsp_stop_is_processed;
 415
 416 };
 417
 418 MODULE_DESCRIPTION("korg1212");
 419 MODULE_LICENSE("GPL");
 420 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 421
 422 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 423 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 424 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 425
 426 module_param_array(index, int, NULL, 0444);
 427 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 428 module_param_array(id, charp, NULL, 0444);
 429 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 430 module_param_array(enable, bool, NULL, 0444);
 431 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 432 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 433
 434 static struct pci_device_id snd_korg1212_ids[] = {
 435         {
 436                 .vendor    = 0x10b5,
 437                 .device    = 0x906d,
 438                 .subvendor = PCI_ANY_ID,
 439                 .subdevice = PCI_ANY_ID,
 440         },
 441         { 0, },
 442 };
 443
 444 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 445
 446 static char *stateName[] = {
 447         "Non-existent",
 448         "Uninitialized",
 449         "DSP download in process",
 450         "DSP download complete",
 451         "Ready",
 452         "Open",
 453         "Setup for play",
 454         "Playing",
 455         "Monitor mode on",
 456         "Calibrating",
 457         "Invalid"
 458 };
 459
 460 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 461
 462 static char *clockSourceName[] = {
 463         "ADAT at 44.1 kHz",
 464         "ADAT at 48 kHz",
 465         "S/PDIF at 44.1 kHz",
 466         "S/PDIF at 48 kHz",
 467         "local clock at 44.1 kHz",
 468         "local clock at 48 kHz"
 469 };
 470
 471 static char *channelName[] = {
 472         "ADAT-1",
 473         "ADAT-2",
 474         "ADAT-3",
 475         "ADAT-4",
 476         "ADAT-5",
 477         "ADAT-6",
 478         "ADAT-7",
 479         "ADAT-8",
 480         "Analog-L",
 481         "Analog-R",
 482         "SPDIF-L",
 483         "SPDIF-R",
 484 };
 485
 486 static u16 ClockSourceSelector[] = {
 487         0x8000,   // selects source as ADAT at 44.1 kHz
 488         0x0000,   // selects source as ADAT at 48 kHz
 489         0x8001,   // selects source as S/PDIF at 44.1 kHz
 490         0x0001,   // selects source as S/PDIF at 48 kHz
 491         0x8002,   // selects source as local clock at 44.1 kHz
 492         0x0002    // selects source as local clock at 48 kHz
 493 };
 494
 495 union swap_u32 { unsigned char c[4]; u32 i; };
 496
 497 #ifdef SNDRV_BIG_ENDIAN
 498 static u32 LowerWordSwap(u32 swappee)
 499 #else
 500 static u32 UpperWordSwap(u32 swappee)
 501 #endif
 502 {
 503    union swap_u32 retVal, swapper;
 504
 505    swapper.i = swappee;
 506    retVal.c[2] = swapper.c[3];
 507    retVal.c[3] = swapper.c[2];
 508    retVal.c[1] = swapper.c[1];
 509    retVal.c[0] = swapper.c[0];
 510
 511    return retVal.i;
 512 }
 513
 514 #ifdef SNDRV_BIG_ENDIAN
 515 static u32 UpperWordSwap(u32 swappee)
 516 #else
 517 static u32 LowerWordSwap(u32 swappee)
 518 #endif
 519 {
 520    union swap_u32 retVal, swapper;
 521
 522    swapper.i = swappee;
 523    retVal.c[2] = swapper.c[2];
 524    retVal.c[3] = swapper.c[3];
 525    retVal.c[1] = swapper.c[0];
 526    retVal.c[0] = swapper.c[1];
 527
 528    return retVal.i;
 529 }
 530
 531 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 532 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 533 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 534 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 535
 536 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 537                                         enum korg1212_dbcnst doorbellVal,
 538                                         u32 mailBox0Val, u32 mailBox1Val,
 539                                         u32 mailBox2Val, u32 mailBox3Val)
 540 {
 541         u32 retryCount;
 542         u16 mailBox3Lo;
 543         int rc = K1212_CMDRET_Success;
 544
 545         if (!korg1212->outDoorbellPtr) {
 546                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 547                 return K1212_CMDRET_CardUninitialized;
 548         }
 549
 550         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 551                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 552         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 553                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 554                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 555                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 556                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 557                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 558
 559                 // --------------------------------------------------------------
 560                 // the reboot command will not give an acknowledgement.
 561                 // --------------------------------------------------------------
 562                 if ( doorbellVal == K1212_DB_RebootCard ||
 563                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 564                         doorbellVal == K1212_DB_StartDSPDownload ) {
 565                         rc = K1212_CMDRET_Success;
 566                         break;
 567                 }
 568
 569                 // --------------------------------------------------------------
 570                 // See if the card acknowledged the command.  Wait a bit, then
 571                 // read in the low word of mailbox3.  If the MSB is set and the
 572                 // low byte is equal to the doorbell value, then it ack'd.
 573                 // --------------------------------------------------------------
 574                 udelay(COMMAND_ACK_DELAY);
 575                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 576                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 577                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 578                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 579                                 rc = K1212_CMDRET_Success;
 580                                 break;
 581                         }
 582                 }
 583         }
 584         korg1212->cmdRetryCount += retryCount;
 585
 586         if (retryCount >= MAX_COMMAND_RETRIES) {
 587                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 588                 rc = K1212_CMDRET_NoAckFromCard;
 589         }
 590
 591         return rc;
 592 }
 593
 594 /* spinlock already held */
 595 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 596 {
 597         if (! korg1212->stop_pending_cnt) {
 598                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 599                 /* program the timer */
 600                 korg1212->stop_pending_cnt = HZ;
 601                 korg1212->timer.expires = jiffies + 1;
 602                 add_timer(&korg1212->timer);
 603         }
 604 }
 605
 606 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 607 {
 608         unsigned long flags;
 609         spin_lock_irqsave(&korg1212->lock, flags);
 610         korg1212->dsp_stop_is_processed = 0;
 611         snd_korg1212_SendStop(korg1212);
 612         spin_unlock_irqrestore(&korg1212->lock, flags);
 613         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 614 }
 615
 616 /* timer callback for checking the ack of stop request */
 617 static void snd_korg1212_timer_func(unsigned long data)
 618 {
 619         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 620         unsigned long flags;
 621
 622         spin_lock_irqsave(&korg1212->lock, flags);
 623         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 624                 /* ack'ed */
 625                 korg1212->stop_pending_cnt = 0;
 626                 korg1212->dsp_stop_is_processed = 1;
 627                 wake_up(&korg1212->wait);
 628                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 629                                            stateName[korg1212->cardState]);
 630         } else {
 631                 if (--korg1212->stop_pending_cnt > 0) {
 632                         /* reprogram timer */
 633                         korg1212->timer.expires = jiffies + 1;
 634                         add_timer(&korg1212->timer);
 635                 } else {
 636                         snd_printd("korg1212_timer_func timeout\n");
 637                         korg1212->sharedBufferPtr->cardCommand = 0;
 638                         korg1212->dsp_stop_is_processed = 1;
 639                         wake_up(&korg1212->wait);
 640                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 641                                            stateName[korg1212->cardState]);
 642                 }
 643         }
 644         spin_unlock_irqrestore(&korg1212->lock, flags);
 645 }
 646
 647 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 648 {
 649         unsigned long flags;
 650         int rc;
 651
 652         udelay(INTERCOMMAND_DELAY);
 653         spin_lock_irqsave(&korg1212->lock, flags);
 654         korg1212->idleMonitorOn = 1;
 655         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 656                                           K1212_MODE_MonitorOn, 0, 0, 0);
 657         spin_unlock_irqrestore(&korg1212->lock, flags);
 658         return rc;
 659 }
 660
 661 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 662 {
 663         if (korg1212->idleMonitorOn) {
 664                 snd_korg1212_SendStopAndWait(korg1212);
 665                 korg1212->idleMonitorOn = 0;
 666         }
 667 }
 668
 669 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 670 {
 671         korg1212->cardState = csState;
 672 }
 673
 674 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 675 {
 676         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 677                            stateName[korg1212->cardState], korg1212->opencnt);
 678         mutex_lock(&korg1212->open_mutex);
 679         if (korg1212->opencnt++ == 0) {
 680                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 681                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 682         }
 683
 684         mutex_unlock(&korg1212->open_mutex);
 685         return 1;
 686 }
 687
 688 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 689 {
 690         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 691                            stateName[korg1212->cardState], korg1212->opencnt);
 692
 693         mutex_lock(&korg1212->open_mutex);
 694         if (--(korg1212->opencnt)) {
 695                 mutex_unlock(&korg1212->open_mutex);
 696                 return 0;
 697         }
 698
 699         if (korg1212->cardState == K1212_STATE_SETUP) {
 700                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 701                                 K1212_MODE_StopPlay, 0, 0, 0);
 702                 if (rc)
 703                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 704                                            rc, stateName[korg1212->cardState]);
 705                 if (rc != K1212_CMDRET_Success) {
 706                         mutex_unlock(&korg1212->open_mutex);
 707                         return 0;
 708                 }
 709         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 710                 snd_korg1212_SendStopAndWait(korg1212);
 711         }
 712
 713         if (korg1212->cardState > K1212_STATE_READY) {
 714                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 715                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 716         }
 717
 718         mutex_unlock(&korg1212->open_mutex);
 719         return 0;
 720 }
 721
 722 /* spinlock already held */
 723 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 724 {
 725         int rc;
 726
 727         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 728                            stateName[korg1212->cardState], korg1212->setcnt);
 729
 730         if (korg1212->setcnt++)
 731                 return 0;
 732
 733         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 734         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 735                                         K1212_MODE_SetupPlay, 0, 0, 0);
 736         if (rc)
 737                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 738                                    rc, stateName[korg1212->cardState]);
 739         if (rc != K1212_CMDRET_Success) {
 740                 return 1;
 741         }
 742         return 0;
 743 }
 744
 745 /* spinlock already held */
 746 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 747 {
 748         int rc;
 749
 750         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 751                            stateName[korg1212->cardState], korg1212->playcnt);
 752
 753         if (korg1212->playcnt++)
 754                 return 0;
 755
 756         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 757         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 758         if (rc)
 759                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 760                                    rc, stateName[korg1212->cardState]);
 761         if (rc != K1212_CMDRET_Success) {
 762                 return 1;
 763         }
 764         return 0;
 765 }
 766
 767 /* spinlock already held */
 768 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 769 {
 770         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 771                            stateName[korg1212->cardState], korg1212->playcnt);
 772
 773         if (--(korg1212->playcnt))
 774                 return 0;
 775
 776         korg1212->setcnt = 0;
 777
 778         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 779                 snd_korg1212_SendStop(korg1212);
 780
 781         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 782         return 0;
 783 }
 784
 785 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 786 {
 787         writel(PCI_INT_ENABLE_BIT            |
 788                PCI_DOORBELL_INT_ENABLE_BIT   |
 789                LOCAL_INT_ENABLE_BIT          |
 790                LOCAL_DOORBELL_INT_ENABLE_BIT |
 791                LOCAL_DMA1_INT_ENABLE_BIT,
 792                korg1212->statusRegPtr);
 793 }
 794
 795 #if 0 /* not used */
 796
 797 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 798                                        enum MonitorModeSelector mode)
 799 {
 800         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 801                            stateName[korg1212->cardState]);
 802
 803         switch (mode) {
 804         case K1212_MONMODE_Off:
 805                 if (korg1212->cardState != K1212_STATE_MONITOR)
 806                         return 0;
 807                 else {
 808                         snd_korg1212_SendStopAndWait(korg1212);
 809                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 810                 }
 811                 break;
 812
 813         case K1212_MONMODE_On:
 814                 if (korg1212->cardState != K1212_STATE_OPEN)
 815                         return 0;
 816                 else {
 817                         int rc;
 818                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 819                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 820                                                           K1212_MODE_MonitorOn, 0, 0, 0);
 821                         if (rc != K1212_CMDRET_Success)
 822                                 return 0;
 823                 }
 824                 break;
 825
 826         default:
 827                 return 0;
 828         }
 829
 830         return 1;
 831 }
 832
 833 #endif /* not used */
 834
 835 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 836 {
 837         if (korg1212->playback_pid != korg1212->capture_pid &&
 838             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 839                 return 0;
 840
 841         return 1;
 842 }
 843
 844 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 845 {
 846         static enum ClockSourceIndex s44[] = {
 847                 K1212_CLKIDX_AdatAt44_1K,
 848                 K1212_CLKIDX_WordAt44_1K,
 849                 K1212_CLKIDX_LocalAt44_1K
 850         };
 851         static enum ClockSourceIndex s48[] = {
 852                 K1212_CLKIDX_AdatAt48K,
 853                 K1212_CLKIDX_WordAt48K,
 854                 K1212_CLKIDX_LocalAt48K
 855         };
 856         int parm, rc;
 857
 858         if (!snd_korg1212_use_is_exclusive (korg1212))
 859                 return -EBUSY;
 860
 861         switch (rate) {
 862         case 44100:
 863                 parm = s44[korg1212->clkSource];
 864                 break;
 865
 866         case 48000:
 867                 parm = s48[korg1212->clkSource];
 868                 break;
 869
 870         default:
 871                 return -EINVAL;
 872         }
 873
 874         korg1212->clkSrcRate = parm;
 875         korg1212->clkRate = rate;
 876
 877         udelay(INTERCOMMAND_DELAY);
 878         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 879                                           ClockSourceSelector[korg1212->clkSrcRate],
 880                                           0, 0, 0);
 881         if (rc)
 882                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 883                                    rc, stateName[korg1212->cardState]);
 884
 885         return 0;
 886 }
 887
 888 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 889 {
 890
 891         if (source < 0 || source > 2)
 892                 return -EINVAL;
 893
 894         korg1212->clkSource = source;
 895
 896         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 897
 898         return 0;
 899 }
 900
 901 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 902 {
 903         writel(0, korg1212->statusRegPtr);
 904 }
 905
 906 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 907 {
 908         struct SensBits  sensVals;
 909         int       bitPosition;
 910         int       channel;
 911         int       clkIs48K;
 912         int       monModeSet;
 913         u16       controlValue;    // this keeps the current value to be written to
 914                                    //  the card's eeprom control register.
 915         u16       count;
 916         unsigned long flags;
 917
 918         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 919                            stateName[korg1212->cardState]);
 920
 921         // ----------------------------------------------------------------------------
 922         // initialize things.  The local init bit is always set when writing to the
 923         // card's control register.
 924         // ----------------------------------------------------------------------------
 925         controlValue = 0;
 926         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 927
 928         // ----------------------------------------------------------------------------
 929         // make sure the card is not in monitor mode when we do this update.
 930         // ----------------------------------------------------------------------------
 931         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 932                 monModeSet = 1;
 933                 snd_korg1212_SendStopAndWait(korg1212);
 934         } else
 935                 monModeSet = 0;
 936
 937         spin_lock_irqsave(&korg1212->lock, flags);
 938
 939         // ----------------------------------------------------------------------------
 940         // we are about to send new values to the card, so clear the new values queued
 941         // flag.  Also, clear out mailbox 3, so we don't lockup.
 942         // ----------------------------------------------------------------------------
 943         writel(0, korg1212->mailbox3Ptr);
 944         udelay(LOADSHIFT_DELAY);
 945
 946         // ----------------------------------------------------------------------------
 947         // determine whether we are running a 48K or 44.1K clock.  This info is used
 948         // later when setting the SPDIF FF after the volume has been shifted in.
 949         // ----------------------------------------------------------------------------
 950         switch (korg1212->clkSrcRate) {
 951                 case K1212_CLKIDX_AdatAt44_1K:
 952                 case K1212_CLKIDX_WordAt44_1K:
 953                 case K1212_CLKIDX_LocalAt44_1K:
 954                         clkIs48K = 0;
 955                         break;
 956
 957                 case K1212_CLKIDX_WordAt48K:
 958                 case K1212_CLKIDX_AdatAt48K:
 959                 case K1212_CLKIDX_LocalAt48K:
 960                 default:
 961                         clkIs48K = 1;
 962                         break;
 963         }
 964
 965         // ----------------------------------------------------------------------------
 966         // start the update.  Setup the bit structure and then shift the bits.
 967         // ----------------------------------------------------------------------------
 968         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 969         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 970         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 971         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 972
 973         // ----------------------------------------------------------------------------
 974         // now start shifting the bits in.  Start with the left channel then the right.
 975         // ----------------------------------------------------------------------------
 976         for (channel = 0; channel < 2; channel++) {
 977
 978                 // ----------------------------------------------------------------------------
 979                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
 980                 // shift low to the first rising edge of the clock.
 981                 // ----------------------------------------------------------------------------
 982                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 983                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 984                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 985                 udelay(LOADSHIFT_DELAY);
 986
 987                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 988                         if (channel == 0) {
 989                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 990                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 991                                 else
 992                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 993                         } else {
 994                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 995                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 996                                 else
 997                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 998                         }
 999
1000                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1001                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
1002                         udelay(SENSCLKPULSE_WIDTH);
1003                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1004                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
1005                         udelay(SENSCLKPULSE_WIDTH);
1006                 }
1007
1008                 // ----------------------------------------------------------------------------
1009                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1010                 // bit if the clock rate is 48K otherwise write 0.
1011                 // ----------------------------------------------------------------------------
1012                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1013                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1014                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1015                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1016                 udelay(SENSCLKPULSE_WIDTH);
1017
1018                 if (clkIs48K)
1019                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1020
1021                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1022                 udelay(ONE_RTC_TICK);
1023                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1024                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1025                 udelay(SENSCLKPULSE_WIDTH);
1026                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1027                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1028                 udelay(SENSCLKPULSE_WIDTH);
1029         }
1030
1031         // ----------------------------------------------------------------------------
1032         // The update is complete.  Set a timeout.  This is the inter-update delay.
1033         // Also, if the card was in monitor mode, restore it.
1034         // ----------------------------------------------------------------------------
1035         for (count = 0; count < 10; count++)
1036                 udelay(SENSCLKPULSE_WIDTH);
1037
1038         if (monModeSet) {
1039                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1040                                 K1212_MODE_MonitorOn, 0, 0, 0);
1041                 if (rc)
1042                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1043                                            rc, stateName[korg1212->cardState]);
1044         }
1045
1046         spin_unlock_irqrestore(&korg1212->lock, flags);
1047
1048         return 1;
1049 }
1050
1051 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1052 {
1053         int channel, rc;
1054
1055         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1056                            stateName[korg1212->cardState]);
1057
1058         // ----------------------------------------------------
1059         // tell the card to boot
1060         // ----------------------------------------------------
1061         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1062
1063         if (rc)
1064                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1065                                    rc, stateName[korg1212->cardState]);
1066         msleep(DSP_BOOT_DELAY_IN_MS);
1067
1068         // --------------------------------------------------------------------------------
1069         // Let the card know where all the buffers are.
1070         // --------------------------------------------------------------------------------
1071         rc = snd_korg1212_Send1212Command(korg1212,
1072                         K1212_DB_ConfigureBufferMemory,
1073                         LowerWordSwap(korg1212->PlayDataPhy),
1074                         LowerWordSwap(korg1212->RecDataPhy),
1075                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1076                                                                    // is based on 2 buffers
1077                         0
1078         );
1079
1080         if (rc)
1081                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1082                                    rc, stateName[korg1212->cardState]);
1083
1084         udelay(INTERCOMMAND_DELAY);
1085
1086         rc = snd_korg1212_Send1212Command(korg1212,
1087                         K1212_DB_ConfigureMiscMemory,
1088                         LowerWordSwap(korg1212->VolumeTablePhy),
1089                         LowerWordSwap(korg1212->RoutingTablePhy),
1090                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1091                         0
1092         );
1093
1094         if (rc)
1095                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1096                                    rc, stateName[korg1212->cardState]);
1097
1098         // --------------------------------------------------------------------------------
1099         // Initialize the routing and volume tables, then update the card's state.
1100         // --------------------------------------------------------------------------------
1101         udelay(INTERCOMMAND_DELAY);
1102
1103         for (channel = 0; channel < kAudioChannels; channel++) {
1104                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1105                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1106                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1107         }
1108
1109         snd_korg1212_WriteADCSensitivity(korg1212);
1110
1111         udelay(INTERCOMMAND_DELAY);
1112         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1113                                           ClockSourceSelector[korg1212->clkSrcRate],
1114                                           0, 0, 0);
1115         if (rc)
1116                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1117                                    rc, stateName[korg1212->cardState]);
1118
1119         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1120         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1121
1122         if (rc)
1123                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1124                                    rc, stateName[korg1212->cardState]);
1125
1126         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1127 }
1128
1129 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1130 {
1131         u32 doorbellValue;
1132         struct snd_korg1212 *korg1212 = dev_id;
1133
1134         doorbellValue = readl(korg1212->inDoorbellPtr);
1135
1136         if (!doorbellValue)
1137                 return IRQ_NONE;
1138
1139         spin_lock(&korg1212->lock);
1140
1141         writel(doorbellValue, korg1212->inDoorbellPtr);
1142
1143         korg1212->irqcount++;
1144
1145         korg1212->inIRQ++;
1146
1147         switch (doorbellValue) {
1148                 case K1212_DB_DSPDownloadDone:
1149                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1150                                            korg1212->irqcount, doorbellValue,
1151                                            stateName[korg1212->cardState]);
1152                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1153                                 korg1212->dsp_is_loaded = 1;
1154                                 wake_up(&korg1212->wait);
1155                         }
1156                         break;
1157
1158                 // ------------------------------------------------------------------------
1159                 // an error occurred - stop the card
1160                 // ------------------------------------------------------------------------
1161                 case K1212_DB_DMAERROR:
1162                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1163                                                    korg1212->irqcount, doorbellValue,
1164                                                    stateName[korg1212->cardState]);
1165                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1166                         korg1212->errorcnt++;
1167                         korg1212->totalerrorcnt++;
1168                         korg1212->sharedBufferPtr->cardCommand = 0;
1169                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1170                         break;
1171
1172                 // ------------------------------------------------------------------------
1173                 // the card has stopped by our request.  Clear the command word and signal
1174                 // the semaphore in case someone is waiting for this.
1175                 // ------------------------------------------------------------------------
1176                 case K1212_DB_CARDSTOPPED:
1177                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1178                                                    korg1212->irqcount, doorbellValue,
1179                                                    stateName[korg1212->cardState]);
1180                         korg1212->sharedBufferPtr->cardCommand = 0;
1181                         break;
1182
1183                 default:
1184                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1185                                korg1212->irqcount, doorbellValue,
1186                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1187                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1188                                 korg1212->currentBuffer++;
1189
1190                                 if (korg1212->currentBuffer >= kNumBuffers)
1191                                         korg1212->currentBuffer = 0;
1192
1193                                 if (!korg1212->running)
1194                                         break;
1195
1196                                 if (korg1212->capture_substream) {
1197                                         spin_unlock(&korg1212->lock);
1198                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1199                                         spin_lock(&korg1212->lock);
1200                                 }
1201
1202                                 if (korg1212->playback_substream) {
1203                                         spin_unlock(&korg1212->lock);
1204                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1205                                         spin_lock(&korg1212->lock);
1206                                 }
1207                         }
1208                         break;
1209         }
1210
1211         korg1212->inIRQ--;
1212
1213         spin_unlock(&korg1212->lock);
1214
1215         return IRQ_HANDLED;
1216 }
1217
1218 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1219 {
1220         int rc;
1221
1222         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1223                            stateName[korg1212->cardState]);
1224
1225         // ---------------------------------------------------------------
1226         // verify the state of the card before proceeding.
1227         // ---------------------------------------------------------------
1228         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1229                 return 1;
1230
1231         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1232
1233         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1234                                      UpperWordSwap(korg1212->dma_dsp.addr),
1235                                      0, 0, 0);
1236         if (rc)
1237                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1238                                    rc, stateName[korg1212->cardState]);
1239
1240         korg1212->dsp_is_loaded = 0;
1241         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1242         if (! korg1212->dsp_is_loaded )
1243                 return -EBUSY; /* timeout */
1244
1245         snd_korg1212_OnDSPDownloadComplete(korg1212);
1246
1247         return 0;
1248 }
1249
1250 static struct snd_pcm_hardware snd_korg1212_playback_info =
1251 {
1252         .info =              (SNDRV_PCM_INFO_MMAP |
1253                               SNDRV_PCM_INFO_MMAP_VALID |
1254                               SNDRV_PCM_INFO_INTERLEAVED),
1255         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1256         .rates =              (SNDRV_PCM_RATE_44100 |
1257                               SNDRV_PCM_RATE_48000),
1258         .rate_min =           44100,
1259         .rate_max =           48000,
1260         .channels_min =       K1212_MIN_CHANNELS,
1261         .channels_max =       K1212_MAX_CHANNELS,
1262         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1263         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1264         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1265         .periods_min =        K1212_PERIODS,
1266         .periods_max =        K1212_PERIODS,
1267         .fifo_size =          0,
1268 };
1269
1270 static struct snd_pcm_hardware snd_korg1212_capture_info =
1271 {
1272         .info =              (SNDRV_PCM_INFO_MMAP |
1273                               SNDRV_PCM_INFO_MMAP_VALID |
1274                               SNDRV_PCM_INFO_INTERLEAVED),
1275         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1276         .rates =              (SNDRV_PCM_RATE_44100 |
1277                               SNDRV_PCM_RATE_48000),
1278         .rate_min =           44100,
1279         .rate_max =           48000,
1280         .channels_min =       K1212_MIN_CHANNELS,
1281         .channels_max =       K1212_MAX_CHANNELS,
1282         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1283         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1284         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1285         .periods_min =        K1212_PERIODS,
1286         .periods_max =        K1212_PERIODS,
1287         .fifo_size =          0,
1288 };
1289
1290 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1291 {
1292         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1293         int i;
1294
1295         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1296                                    pos, offset, size, count);
1297         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1298
1299         for (i=0; i < count; i++) {
1300 #if K1212_DEBUG_LEVEL > 0
1301                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1302                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1303                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1304                                dst, i);
1305                         return -EFAULT;
1306                 }
1307 #endif
1308                 memset((void*) dst + offset, 0, size);
1309                 dst++;
1310         }
1311
1312         return 0;
1313 }
1314
1315 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1316 {
1317         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1318         int i, rc;
1319
1320         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1321                                    pos, offset, size);
1322         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1323
1324         for (i=0; i < count; i++) {
1325 #if K1212_DEBUG_LEVEL > 0
1326                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1327                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1328                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1329                         return -EFAULT;
1330                 }
1331 #endif
1332                 rc = copy_to_user(dst + offset, src, size);
1333                 if (rc) {
1334                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1335                         return -EFAULT;
1336                 }
1337                 src++;
1338                 dst += size;
1339         }
1340
1341         return 0;
1342 }
1343
1344 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1345 {
1346         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1347         int i, rc;
1348
1349         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1350                                    pos, offset, size, count);
1351
1352         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1353
1354         for (i=0; i < count; i++) {
1355 #if K1212_DEBUG_LEVEL > 0
1356                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1357                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1358                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1359                         return -EFAULT;
1360                 }
1361 #endif
1362                 rc = copy_from_user((void*) dst + offset, src, size);
1363                 if (rc) {
1364                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1365                         return -EFAULT;
1366                 }
1367                 dst++;
1368                 src += size;
1369         }
1370
1371         return 0;
1372 }
1373
1374 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1375 {
1376         struct snd_korg1212 *korg1212 = pcm->private_data;
1377
1378         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1379                            stateName[korg1212->cardState]);
1380
1381         korg1212->pcm = NULL;
1382 }
1383
1384 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1385 {
1386         unsigned long flags;
1387         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1388         struct snd_pcm_runtime *runtime = substream->runtime;
1389
1390         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1391                            stateName[korg1212->cardState]);
1392
1393         snd_pcm_set_sync(substream);    // ???
1394
1395         snd_korg1212_OpenCard(korg1212);
1396
1397         runtime->hw = snd_korg1212_playback_info;
1398         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1399
1400         spin_lock_irqsave(&korg1212->lock, flags);
1401
1402         korg1212->playback_substream = substream;
1403         korg1212->playback_pid = current->pid;
1404         korg1212->periodsize = K1212_PERIODS;
1405         korg1212->channels = K1212_CHANNELS;
1406         korg1212->errorcnt = 0;
1407
1408         spin_unlock_irqrestore(&korg1212->lock, flags);
1409
1410         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1411         return 0;
1412 }
1413
1414
1415 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1416 {
1417         unsigned long flags;
1418         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1419         struct snd_pcm_runtime *runtime = substream->runtime;
1420
1421         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1422                            stateName[korg1212->cardState]);
1423
1424         snd_pcm_set_sync(substream);
1425
1426         snd_korg1212_OpenCard(korg1212);
1427
1428         runtime->hw = snd_korg1212_capture_info;
1429         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1430
1431         spin_lock_irqsave(&korg1212->lock, flags);
1432
1433         korg1212->capture_substream = substream;
1434         korg1212->capture_pid = current->pid;
1435         korg1212->periodsize = K1212_PERIODS;
1436         korg1212->channels = K1212_CHANNELS;
1437
1438         spin_unlock_irqrestore(&korg1212->lock, flags);
1439
1440         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1441                                      kPlayBufferFrames, kPlayBufferFrames);
1442         return 0;
1443 }
1444
1445 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1446 {
1447         unsigned long flags;
1448         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1449
1450         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1451                            stateName[korg1212->cardState]);
1452
1453         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1454
1455         spin_lock_irqsave(&korg1212->lock, flags);
1456
1457         korg1212->playback_pid = -1;
1458         korg1212->playback_substream = NULL;
1459         korg1212->periodsize = 0;
1460
1461         spin_unlock_irqrestore(&korg1212->lock, flags);
1462
1463         snd_korg1212_CloseCard(korg1212);
1464         return 0;
1465 }
1466
1467 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1468 {
1469         unsigned long flags;
1470         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1471
1472         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1473                            stateName[korg1212->cardState]);
1474
1475         spin_lock_irqsave(&korg1212->lock, flags);
1476
1477         korg1212->capture_pid = -1;
1478         korg1212->capture_substream = NULL;
1479         korg1212->periodsize = 0;
1480
1481         spin_unlock_irqrestore(&korg1212->lock, flags);
1482
1483         snd_korg1212_CloseCard(korg1212);
1484         return 0;
1485 }
1486
1487 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1488                              unsigned int cmd, void *arg)
1489 {
1490         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1491
1492         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1493                 struct snd_pcm_channel_info *info = arg;
1494                 info->offset = 0;
1495                 info->first = info->channel * 16;
1496                 info->step = 256;
1497                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1498                 return 0;
1499         }
1500
1501         return snd_pcm_lib_ioctl(substream, cmd, arg);
1502 }
1503
1504 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1505                              struct snd_pcm_hw_params *params)
1506 {
1507         unsigned long flags;
1508         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1509         int err;
1510         pid_t this_pid;
1511         pid_t other_pid;
1512
1513         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1514                            stateName[korg1212->cardState]);
1515
1516         spin_lock_irqsave(&korg1212->lock, flags);
1517
1518         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1519                 this_pid = korg1212->playback_pid;
1520                 other_pid = korg1212->capture_pid;
1521         } else {
1522                 this_pid = korg1212->capture_pid;
1523                 other_pid = korg1212->playback_pid;
1524         }
1525
1526         if ((other_pid > 0) && (this_pid != other_pid)) {
1527
1528                 /* The other stream is open, and not by the same
1529                    task as this one. Make sure that the parameters
1530                    that matter are the same.
1531                  */
1532
1533                 if ((int)params_rate(params) != korg1212->clkRate) {
1534                         spin_unlock_irqrestore(&korg1212->lock, flags);
1535                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1536                         return -EBUSY;
1537                 }
1538
1539                 spin_unlock_irqrestore(&korg1212->lock, flags);
1540                 return 0;
1541         }
1542
1543         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1544                 spin_unlock_irqrestore(&korg1212->lock, flags);
1545                 return err;
1546         }
1547
1548         korg1212->channels = params_channels(params);
1549         korg1212->periodsize = K1212_PERIOD_BYTES;
1550
1551         spin_unlock_irqrestore(&korg1212->lock, flags);
1552
1553         return 0;
1554 }
1555
1556 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1557 {
1558         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1559         int rc;
1560
1561         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1562                            stateName[korg1212->cardState]);
1563
1564         spin_lock_irq(&korg1212->lock);
1565
1566         /* FIXME: we should wait for ack! */
1567         if (korg1212->stop_pending_cnt > 0) {
1568                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1569                                    stateName[korg1212->cardState]);
1570                 spin_unlock_irq(&korg1212->lock);
1571                 return -EAGAIN;
1572                 /*
1573                 korg1212->sharedBufferPtr->cardCommand = 0;
1574                 del_timer(&korg1212->timer);
1575                 korg1212->stop_pending_cnt = 0;
1576                 */
1577         }
1578
1579         rc = snd_korg1212_SetupForPlay(korg1212);
1580
1581         korg1212->currentBuffer = 0;
1582
1583         spin_unlock_irq(&korg1212->lock);
1584
1585         return rc ? -EINVAL : 0;
1586 }
1587
1588 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1589                            int cmd)
1590 {
1591         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1592         int rc;
1593
1594         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1595                            stateName[korg1212->cardState], cmd);
1596
1597         spin_lock(&korg1212->lock);
1598         switch (cmd) {
1599                 case SNDRV_PCM_TRIGGER_START:
1600 /*
1601                         if (korg1212->running) {
1602                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1603                                 break;
1604                         }
1605 */
1606                         korg1212->running++;
1607                         rc = snd_korg1212_TriggerPlay(korg1212);
1608                         break;
1609
1610                 case SNDRV_PCM_TRIGGER_STOP:
1611 /*
1612                         if (!korg1212->running) {
1613                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1614                                 break;
1615                         }
1616 */
1617                         korg1212->running--;
1618                         rc = snd_korg1212_StopPlay(korg1212);
1619                         break;
1620
1621                 default:
1622                         rc = 1;
1623                         break;
1624         }
1625         spin_unlock(&korg1212->lock);
1626         return rc ? -EINVAL : 0;
1627 }
1628
1629 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1630 {
1631         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1632         snd_pcm_uframes_t pos;
1633
1634         pos = korg1212->currentBuffer * kPlayBufferFrames;
1635
1636         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1637                                    stateName[korg1212->cardState], pos);
1638
1639         return pos;
1640 }
1641
1642 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1643 {
1644         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1645         snd_pcm_uframes_t pos;
1646
1647         pos = korg1212->currentBuffer * kPlayBufferFrames;
1648
1649         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1650                                    stateName[korg1212->cardState], pos);
1651
1652         return pos;
1653 }
1654
1655 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1656                         int channel, /* not used (interleaved data) */
1657                         snd_pcm_uframes_t pos,
1658                         void __user *src,
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_copy [%s] %ld %ld\n",
1664                                    stateName[korg1212->cardState], pos, count);
1665
1666         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1667
1668 }
1669
1670 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1671                            int channel, /* not used (interleaved data) */
1672                            snd_pcm_uframes_t pos,
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_playback_silence [%s]\n",
1678                                    stateName[korg1212->cardState]);
1679
1680         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1681 }
1682
1683 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1684                         int channel, /* not used (interleaved data) */
1685                         snd_pcm_uframes_t pos,
1686                         void __user *dst,
1687                         snd_pcm_uframes_t count)
1688 {
1689         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1690
1691         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1692                                    stateName[korg1212->cardState], pos, count);
1693
1694         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1695 }
1696
1697 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1698         .open =         snd_korg1212_playback_open,
1699         .close =        snd_korg1212_playback_close,
1700         .ioctl =        snd_korg1212_ioctl,
1701         .hw_params =    snd_korg1212_hw_params,
1702         .prepare =      snd_korg1212_prepare,
1703         .trigger =      snd_korg1212_trigger,
1704         .pointer =      snd_korg1212_playback_pointer,
1705         .copy =         snd_korg1212_playback_copy,
1706         .silence =      snd_korg1212_playback_silence,
1707 };
1708
1709 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1710         .open =         snd_korg1212_capture_open,
1711         .close =        snd_korg1212_capture_close,
1712         .ioctl =        snd_korg1212_ioctl,
1713         .hw_params =    snd_korg1212_hw_params,
1714         .prepare =      snd_korg1212_prepare,
1715         .trigger =      snd_korg1212_trigger,
1716         .pointer =      snd_korg1212_capture_pointer,
1717         .copy =         snd_korg1212_capture_copy,
1718 };
1719
1720 /*
1721  * Control Interface
1722  */
1723
1724 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1725                                            struct snd_ctl_elem_info *uinfo)
1726 {
1727         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1728         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1729         return 0;
1730 }
1731
1732 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1733                                           struct snd_ctl_elem_value *u)
1734 {
1735         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1736         int i = kcontrol->private_value;
1737
1738         spin_lock_irq(&korg1212->lock);
1739
1740         u->value.integer.value[0] = korg1212->volumePhase[i];
1741
1742         if (i >= 8)
1743                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1744
1745         spin_unlock_irq(&korg1212->lock);
1746
1747         return 0;
1748 }
1749
1750 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1751                                           struct snd_ctl_elem_value *u)
1752 {
1753         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1754         int change = 0;
1755         int i, val;
1756
1757         spin_lock_irq(&korg1212->lock);
1758
1759         i = kcontrol->private_value;
1760
1761         korg1212->volumePhase[i] = u->value.integer.value[0];
1762
1763         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1764
1765         if ((u->value.integer.value[0] > 0) != (val < 0)) {
1766                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1767                 korg1212->sharedBufferPtr->volumeData[i] = val;
1768                 change = 1;
1769         }
1770
1771         if (i >= 8) {
1772                 korg1212->volumePhase[i+1] = u->value.integer.value[1];
1773
1774                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1775
1776                 if ((u->value.integer.value[1] > 0) != (val < 0)) {
1777                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1778                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1779                         change = 1;
1780                 }
1781         }
1782
1783         spin_unlock_irq(&korg1212->lock);
1784
1785         return change;
1786 }
1787
1788 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1789                                             struct snd_ctl_elem_info *uinfo)
1790 {
1791         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1792         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1793         uinfo->value.integer.min = k1212MinVolume;
1794         uinfo->value.integer.max = k1212MaxVolume;
1795         return 0;
1796 }
1797
1798 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1799                                            struct snd_ctl_elem_value *u)
1800 {
1801         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1802         int i;
1803
1804         spin_lock_irq(&korg1212->lock);
1805
1806         i = kcontrol->private_value;
1807         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1808
1809         if (i >= 8)
1810                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1811
1812         spin_unlock_irq(&korg1212->lock);
1813
1814         return 0;
1815 }
1816
1817 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1818                                            struct snd_ctl_elem_value *u)
1819 {
1820         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1821         int change = 0;
1822         int i;
1823         int val;
1824
1825         spin_lock_irq(&korg1212->lock);
1826
1827         i = kcontrol->private_value;
1828
1829         if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
1830                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1831                 val *= u->value.integer.value[0];
1832                 korg1212->sharedBufferPtr->volumeData[i] = val;
1833                 change = 1;
1834         }
1835
1836         if (i >= 8) {
1837                 if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1838                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1839                         val *= u->value.integer.value[1];
1840                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1841                         change = 1;
1842                 }
1843         }
1844
1845         spin_unlock_irq(&korg1212->lock);
1846
1847         return change;
1848 }
1849
1850 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1851                                            struct snd_ctl_elem_info *uinfo)
1852 {
1853         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1854         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1855         uinfo->value.enumerated.items = kAudioChannels;
1856         if (uinfo->value.enumerated.item > kAudioChannels-1) {
1857                 uinfo->value.enumerated.item = kAudioChannels-1;
1858         }
1859         strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1860         return 0;
1861 }
1862
1863 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1864                                           struct snd_ctl_elem_value *u)
1865 {
1866         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1867         int i;
1868
1869         spin_lock_irq(&korg1212->lock);
1870
1871         i = kcontrol->private_value;
1872         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1873
1874         if (i >= 8)
1875                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1876
1877         spin_unlock_irq(&korg1212->lock);
1878
1879         return 0;
1880 }
1881
1882 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1883                                           struct snd_ctl_elem_value *u)
1884 {
1885         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1886         int change = 0, i;
1887
1888         spin_lock_irq(&korg1212->lock);
1889
1890         i = kcontrol->private_value;
1891
1892         if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1893                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1894                 change = 1;
1895         }
1896
1897         if (i >= 8) {
1898                 if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1899                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1900                         change = 1;
1901                 }
1902         }
1903
1904         spin_unlock_irq(&korg1212->lock);
1905
1906         return change;
1907 }
1908
1909 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1910                                      struct snd_ctl_elem_info *uinfo)
1911 {
1912         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1913         uinfo->count = 2;
1914         uinfo->value.integer.min = k1212MaxADCSens;
1915         uinfo->value.integer.max = k1212MinADCSens;
1916         return 0;
1917 }
1918
1919 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1920                                     struct snd_ctl_elem_value *u)
1921 {
1922         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1923
1924         spin_lock_irq(&korg1212->lock);
1925
1926         u->value.integer.value[0] = korg1212->leftADCInSens;
1927         u->value.integer.value[1] = korg1212->rightADCInSens;
1928
1929         spin_unlock_irq(&korg1212->lock);
1930
1931         return 0;
1932 }
1933
1934 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1935                                     struct snd_ctl_elem_value *u)
1936 {
1937         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1938         int change = 0;
1939
1940         spin_lock_irq(&korg1212->lock);
1941
1942         if (u->value.integer.value[0] != korg1212->leftADCInSens) {
1943                 korg1212->leftADCInSens = u->value.integer.value[0];
1944                 change = 1;
1945         }
1946         if (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
1959 static 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
1972 static 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
1985 static 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
2029 static 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
2056 static 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
2084 static 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
2092 static int
2093 snd_korg1212_free(struct snd_korg1212 *korg1212)
2094 {
2095         snd_korg1212_TurnOffIdleMonitor(korg1212);
2096
2097         if (korg1212->irq >= 0) {
2098                 synchronize_irq(korg1212->irq);
2099                 snd_korg1212_DisableCardInterrupts(korg1212);
2100                 free_irq(korg1212->irq, korg1212);
2101                 korg1212->irq = -1;
2102         }
2103
2104         if (korg1212->iobase != NULL) {
2105                 iounmap(korg1212->iobase);
2106                 korg1212->iobase = NULL;
2107         }
2108
2109         pci_release_regions(korg1212->pci);
2110
2111         // ----------------------------------------------------
2112         // free up memory resources used for the DSP download.
2113         // ----------------------------------------------------
2114         if (korg1212->dma_dsp.area) {
2115                 snd_dma_free_pages(&korg1212->dma_dsp);
2116                 korg1212->dma_dsp.area = NULL;
2117         }
2118
2119 #ifndef K1212_LARGEALLOC
2120
2121         // ------------------------------------------------------
2122         // free up memory resources used for the Play/Rec Buffers
2123         // ------------------------------------------------------
2124         if (korg1212->dma_play.area) {
2125                 snd_dma_free_pages(&korg1212->dma_play);
2126                 korg1212->dma_play.area = NULL;
2127         }
2128
2129         if (korg1212->dma_rec.area) {
2130                 snd_dma_free_pages(&korg1212->dma_rec);
2131                 korg1212->dma_rec.area = NULL;
2132         }
2133
2134 #endif
2135
2136         // ----------------------------------------------------
2137         // free up memory resources used for the Shared Buffers
2138         // ----------------------------------------------------
2139         if (korg1212->dma_shared.area) {
2140                 snd_dma_free_pages(&korg1212->dma_shared);
2141                 korg1212->dma_shared.area = NULL;
2142         }
2143
2144         pci_disable_device(korg1212->pci);
2145         kfree(korg1212);
2146         return 0;
2147 }
2148
2149 static int snd_korg1212_dev_free(struct snd_device *device)
2150 {
2151         struct snd_korg1212 *korg1212 = device->device_data;
2152         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2153         return snd_korg1212_free(korg1212);
2154 }
2155
2156 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2157                                          struct snd_korg1212 ** rchip)
2158
2159 {
2160         int err, rc;
2161         unsigned int i;
2162         unsigned ioport_size, iomem_size, iomem2_size;
2163         struct snd_korg1212 * korg1212;
2164         const struct firmware *dsp_code;
2165
2166         static struct snd_device_ops ops = {
2167                 .dev_free = snd_korg1212_dev_free,
2168         };
2169
2170         * rchip = NULL;
2171         if ((err = pci_enable_device(pci)) < 0)
2172                 return err;
2173
2174         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2175         if (korg1212 == NULL) {
2176                 pci_disable_device(pci);
2177                 return -ENOMEM;
2178         }
2179
2180         korg1212->card = card;
2181         korg1212->pci = pci;
2182
2183         init_waitqueue_head(&korg1212->wait);
2184         spin_lock_init(&korg1212->lock);
2185         mutex_init(&korg1212->open_mutex);
2186         init_timer(&korg1212->timer);
2187         korg1212->timer.function = snd_korg1212_timer_func;
2188         korg1212->timer.data = (unsigned long)korg1212;
2189
2190         korg1212->irq = -1;
2191         korg1212->clkSource = K1212_CLKIDX_Local;
2192         korg1212->clkRate = 44100;
2193         korg1212->inIRQ = 0;
2194         korg1212->running = 0;
2195         korg1212->opencnt = 0;
2196         korg1212->playcnt = 0;
2197         korg1212->setcnt = 0;
2198         korg1212->totalerrorcnt = 0;
2199         korg1212->playback_pid = -1;
2200         korg1212->capture_pid = -1;
2201         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2202         korg1212->idleMonitorOn = 0;
2203         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2204         korg1212->leftADCInSens = k1212MaxADCSens;
2205         korg1212->rightADCInSens = k1212MaxADCSens;
2206
2207         for (i=0; i<kAudioChannels; i++)
2208                 korg1212->volumePhase[i] = 0;
2209
2210         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2211                 kfree(korg1212);
2212                 pci_disable_device(pci);
2213                 return err;
2214         }
2215
2216         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2217         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2218         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2219
2220         iomem_size = pci_resource_len(korg1212->pci, 0);
2221         ioport_size = pci_resource_len(korg1212->pci, 1);
2222         iomem2_size = pci_resource_len(korg1212->pci, 2);
2223
2224         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2225                    "    iomem = 0x%lx (%d)\n"
2226                    "    ioport  = 0x%lx (%d)\n"
2227                    "    iomem = 0x%lx (%d)\n"
2228                    "    [%s]\n",
2229                    korg1212->iomem, iomem_size,
2230                    korg1212->ioport, ioport_size,
2231                    korg1212->iomem2, iomem2_size,
2232                    stateName[korg1212->cardState]);
2233
2234         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2235                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2236                            korg1212->iomem + iomem_size - 1);
2237                 snd_korg1212_free(korg1212);
2238                 return -EBUSY;
2239         }
2240
2241         err = request_irq(pci->irq, snd_korg1212_interrupt,
2242                           IRQF_SHARED,
2243                           "korg1212", korg1212);
2244
2245         if (err) {
2246                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2247                 snd_korg1212_free(korg1212);
2248                 return -EBUSY;
2249         }
2250
2251         korg1212->irq = pci->irq;
2252
2253         pci_set_master(korg1212->pci);
2254
2255         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2256         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2257         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2258         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2259         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2260         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2261         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2262         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2263         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2264         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2265
2266         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2267                    "    Status register = 0x%p\n"
2268                    "    OutDoorbell     = 0x%p\n"
2269                    "    InDoorbell      = 0x%p\n"
2270                    "    Mailbox0        = 0x%p\n"
2271                    "    Mailbox1        = 0x%p\n"
2272                    "    Mailbox2        = 0x%p\n"
2273                    "    Mailbox3        = 0x%p\n"
2274                    "    ControlReg      = 0x%p\n"
2275                    "    SensReg         = 0x%p\n"
2276                    "    IDReg           = 0x%p\n"
2277                    "    [%s]\n",
2278                    korg1212->statusRegPtr,
2279                    korg1212->outDoorbellPtr,
2280                    korg1212->inDoorbellPtr,
2281                    korg1212->mailbox0Ptr,
2282                    korg1212->mailbox1Ptr,
2283                    korg1212->mailbox2Ptr,
2284                    korg1212->mailbox3Ptr,
2285                    korg1212->controlRegPtr,
2286                    korg1212->sensRegPtr,
2287                    korg1212->idRegPtr,
2288                    stateName[korg1212->cardState]);
2289
2290         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2291                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2292                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2293                 snd_korg1212_free(korg1212);
2294                 return -ENOMEM;
2295         }
2296         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2297         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2298
2299         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2300
2301 #ifndef K1212_LARGEALLOC
2302
2303         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2304
2305         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2306                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2307                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2308                 snd_korg1212_free(korg1212);
2309                 return -ENOMEM;
2310         }
2311         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2312         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2313
2314         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2315                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2316
2317         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2318                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2319                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2320                 snd_korg1212_free(korg1212);
2321                 return -ENOMEM;
2322         }
2323         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2324         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2325
2326         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2327                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2328
2329 #else // K1212_LARGEALLOC
2330
2331         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2332         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2333         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2334         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2335
2336 #endif // K1212_LARGEALLOC
2337
2338         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2339                 offsetof(struct KorgSharedBuffer, volumeData);
2340         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2341                 offsetof(struct KorgSharedBuffer, routeData);
2342         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2343                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2344
2345         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2346         if (err < 0) {
2347                 release_firmware(dsp_code);
2348 #ifdef FIRMWARE_IN_THE_KERNEL
2349                 dsp_code = &static_dsp_code;
2350 #else
2351                 snd_printk(KERN_ERR "firmware not available\n");
2352                 snd_korg1212_free(korg1212);
2353                 return err;
2354 #endif
2355         }
2356
2357         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2358                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2359                 snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", dsp_code->size);
2360                 snd_korg1212_free(korg1212);
2361 #ifdef FIRMWARE_IN_THE_KERNEL
2362                 if (dsp_code != &static_dsp_code)
2363 #endif
2364                         release_firmware(dsp_code);
2365                 return -ENOMEM;
2366         }
2367
2368         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2369                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2370                    stateName[korg1212->cardState]);
2371
2372         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2373
2374 #ifdef FIRMWARE_IN_THE_KERNEL
2375         if (dsp_code != &static_dsp_code)
2376 #endif
2377                 release_firmware(dsp_code);
2378
2379         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2380
2381         if (rc)
2382                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2383
2384         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2385                 snd_korg1212_free(korg1212);
2386                 return err;
2387         }
2388
2389         snd_korg1212_EnableCardInterrupts(korg1212);
2390
2391         mdelay(CARD_BOOT_DELAY_IN_MS);
2392
2393         if (snd_korg1212_downloadDSPCode(korg1212))
2394                 return -EBUSY;
2395
2396         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2397                "PlayDataPhy = %08x L[%08x]\n"
2398                "korg1212: RecDataPhy = %08x L[%08x], "
2399                "VolumeTablePhy = %08x L[%08x]\n"
2400                "korg1212: RoutingTablePhy = %08x L[%08x], "
2401                "AdatTimeCodePhy = %08x L[%08x]\n",
2402                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2403                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2404                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2405                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2406                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2407                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2408
2409         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2410                 return err;
2411
2412         korg1212->pcm->private_data = korg1212;
2413         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2414         strcpy(korg1212->pcm->name, "korg1212");
2415
2416         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2417
2418         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2419
2420         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2421
2422         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2423                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2424                 if (err < 0)
2425                         return err;
2426         }
2427
2428         snd_korg1212_proc_init(korg1212);
2429
2430         snd_card_set_dev(card, &pci->dev);
2431
2432         * rchip = korg1212;
2433         return 0;
2434
2435 }
2436
2437 /*
2438  * Card initialisation
2439  */
2440
2441 static int __devinit
2442 snd_korg1212_probe(struct pci_dev *pci,
2443                 const struct pci_device_id *pci_id)
2444 {
2445         static int dev;
2446         struct snd_korg1212 *korg1212;
2447         struct snd_card *card;
2448         int err;
2449
2450         if (dev >= SNDRV_CARDS) {
2451                 return -ENODEV;
2452         }
2453         if (!enable[dev]) {
2454                 dev++;
2455                 return -ENOENT;
2456         }
2457         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2458         if (card == NULL)
2459                 return -ENOMEM;
2460
2461         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2462                 snd_card_free(card);
2463                 return err;
2464         }
2465
2466         strcpy(card->driver, "korg1212");
2467         strcpy(card->shortname, "korg1212");
2468         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2469                 korg1212->iomem, korg1212->irq);
2470
2471         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2472
2473         if ((err = snd_card_register(card)) < 0) {
2474                 snd_card_free(card);
2475                 return err;
2476         }
2477         pci_set_drvdata(pci, card);
2478         dev++;
2479         return 0;
2480 }
2481
2482 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2483 {
2484         snd_card_free(pci_get_drvdata(pci));
2485         pci_set_drvdata(pci, NULL);
2486 }
2487
2488 static struct pci_driver driver = {
2489         .name = "korg1212",
2490         .id_table = snd_korg1212_ids,
2491         .probe = snd_korg1212_probe,
2492         .remove = __devexit_p(snd_korg1212_remove),
2493 };
2494
2495 static int __init alsa_card_korg1212_init(void)
2496 {
2497         return pci_register_driver(&driver);
2498 }
2499
2500 static void __exit alsa_card_korg1212_exit(void)
2501 {
2502         pci_unregister_driver(&driver);
2503 }
2504
2505 module_init(alsa_card_korg1212_init)
2506 module_exit(alsa_card_korg1212_exit)