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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 MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 167                                        //    to send a command before giving up.
 168 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 169                                         //    the card.
 170 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 171
 172 #define CARD_BOOT_DELAY_IN_MS  10
 173 #define CARD_BOOT_TIMEOUT      10
 174 #define DSP_BOOT_DELAY_IN_MS   200
 175
 176 #define kNumBuffers             8
 177 #define k1212MaxCards           4
 178 #define k1212NumWaveDevices     6
 179 #define k16BitChannels          10
 180 #define k32BitChannels          2
 181 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 182 #define kPlayBufferFrames       1024
 183
 184 #define K1212_ANALOG_CHANNELS   2
 185 #define K1212_SPDIF_CHANNELS    2
 186 #define K1212_ADAT_CHANNELS     8
 187 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 188 #define K1212_MIN_CHANNELS      1
 189 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 190 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 191 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 192 #define K1212_PERIODS           (kNumBuffers)
 193 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 194 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 195 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 196 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 197 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 198 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 199
 200 #define k1212MinADCSens     0x7f
 201 #define k1212MaxADCSens     0x00
 202 #define k1212MaxVolume      0x7fff
 203 #define k1212MaxWaveVolume  0xffff
 204 #define k1212MinVolume      0x0000
 205 #define k1212MaxVolInverted 0x8000
 206
 207 // -----------------------------------------------------------------
 208 // the following bits are used for controlling interrupts in the
 209 // interrupt control/status reg
 210 // -----------------------------------------------------------------
 211 #define  PCI_INT_ENABLE_BIT               0x00000100
 212 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 213 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 214 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 215 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 216
 217 // -----------------------------------------------------------------
 218 // the following bits are defined for the PCI command register
 219 // -----------------------------------------------------------------
 220 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 221 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 222 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 223
 224 // -----------------------------------------------------------------
 225 // the following bits are defined for the PCI status register
 226 // -----------------------------------------------------------------
 227 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 228 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 229 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 230 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 231 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 232
 233 // ------------------------------------------------------------------------
 234 // the following constants are used in setting the 1212 I/O card's input
 235 // sensitivity.
 236 // ------------------------------------------------------------------------
 237 #define  SET_SENS_LOCALINIT_BITPOS        15
 238 #define  SET_SENS_DATA_BITPOS             10
 239 #define  SET_SENS_CLOCK_BITPOS            8
 240 #define  SET_SENS_LOADSHIFT_BITPOS        0
 241
 242 #define  SET_SENS_LEFTCHANID              0x00
 243 #define  SET_SENS_RIGHTCHANID             0x01
 244
 245 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 246
 247 // --------------------------------------------------------------------------
 248 // WaitRTCTicks
 249 //
 250 //    This function waits the specified number of real time clock ticks.
 251 //    According to the DDK, each tick is ~0.8 microseconds.
 252 //    The defines following the function declaration can be used for the
 253 //    numTicksToWait parameter.
 254 // --------------------------------------------------------------------------
 255 #define ONE_RTC_TICK         1
 256 #define SENSCLKPULSE_WIDTH   4
 257 #define LOADSHIFT_DELAY      4
 258 #define INTERCOMMAND_DELAY  40
 259 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 260                                        //    the command register.  (could be up to 180 us)
 261 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 262                                        //    from the card after sending a command.
 263
 264 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
 265 #include "korg1212-firmware.h"
 266 static const struct firmware static_dsp_code = {
 267         .data = (u8 *)dspCode,
 268         .size = sizeof dspCode
 269 };
 270 #endif
 271
 272 enum ClockSourceIndex {
 273    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 274    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 275    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 276    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 277    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 278    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 279    K1212_CLKIDX_Invalid             // used to check validity of the index
 280 };
 281
 282 enum ClockSourceType {
 283    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 284    K1212_CLKIDX_Word,        // selects source as S/PDIF
 285    K1212_CLKIDX_Local        // selects source as local clock
 286 };
 287
 288 struct KorgAudioFrame {
 289         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 290         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 291         u32 timeCodeVal; /* holds the ADAT timecode value */
 292 };
 293
 294 struct KorgAudioBuffer {
 295         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 296 };
 297
 298 struct KorgSharedBuffer {
 299 #ifdef K1212_LARGEALLOC
 300    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 301    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 302 #endif
 303    short             volumeData[kAudioChannels];
 304    u32               cardCommand;
 305    u16               routeData [kAudioChannels];
 306    u32               AdatTimeCode;                 // ADAT timecode value
 307 };
 308
 309 struct SensBits {
 310    union {
 311       struct {
 312          unsigned int leftChanVal:8;
 313          unsigned int leftChanId:8;
 314       } v;
 315       u16  leftSensBits;
 316    } l;
 317    union {
 318       struct {
 319          unsigned int rightChanVal:8;
 320          unsigned int rightChanId:8;
 321       } v;
 322       u16  rightSensBits;
 323    } r;
 324 };
 325
 326 struct snd_korg1212 {
 327         struct snd_card *card;
 328         struct pci_dev *pci;
 329         struct snd_pcm *pcm;
 330         int irq;
 331
 332         spinlock_t    lock;
 333         struct mutex open_mutex;
 334
 335         struct timer_list timer;        /* timer callback for checking ack of stop request */
 336         int stop_pending_cnt;           /* counter for stop pending check */
 337
 338         wait_queue_head_t wait;
 339
 340         unsigned long iomem;
 341         unsigned long ioport;
 342         unsigned long iomem2;
 343         unsigned long irqcount;
 344         unsigned long inIRQ;
 345         void __iomem *iobase;
 346
 347         struct snd_dma_buffer dma_dsp;
 348         struct snd_dma_buffer dma_play;
 349         struct snd_dma_buffer dma_rec;
 350         struct snd_dma_buffer dma_shared;
 351
 352         u32 DataBufsSize;
 353
 354         struct KorgAudioBuffer  * playDataBufsPtr;
 355         struct KorgAudioBuffer  * recordDataBufsPtr;
 356
 357         struct KorgSharedBuffer * sharedBufferPtr;
 358
 359         u32 RecDataPhy;
 360         u32 PlayDataPhy;
 361         unsigned long sharedBufferPhy;
 362         u32 VolumeTablePhy;
 363         u32 RoutingTablePhy;
 364         u32 AdatTimeCodePhy;
 365
 366         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 367         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 368         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 369         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 370         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 371         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 372         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 373         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 374         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 375         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 376
 377         size_t periodsize;
 378         int channels;
 379         int currentBuffer;
 380
 381         struct snd_pcm_substream *playback_substream;
 382         struct snd_pcm_substream *capture_substream;
 383
 384         pid_t capture_pid;
 385         pid_t playback_pid;
 386
 387         enum CardState cardState;
 388         int running;
 389         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 390         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 391
 392         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 393
 394         enum ClockSourceType clkSource;   // clock source
 395         int clkRate;                 // clock rate
 396
 397         int volumePhase[kAudioChannels];
 398
 399         u16 leftADCInSens;           // ADC left channel input sensitivity
 400         u16 rightADCInSens;          // ADC right channel input sensitivity
 401
 402         int opencnt;                 // Open/Close count
 403         int setcnt;                  // SetupForPlay count
 404         int playcnt;                 // TriggerPlay count
 405         int errorcnt;                // Error Count
 406         unsigned long totalerrorcnt; // Total Error Count
 407
 408         int dsp_is_loaded;
 409         int dsp_stop_is_processed;
 410
 411 };
 412
 413 MODULE_DESCRIPTION("korg1212");
 414 MODULE_LICENSE("GPL");
 415 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 416 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
 417 MODULE_FIRMWARE("korg/k1212.dsp");
 418 #endif
 419
 420 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 421 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 422 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 423
 424 module_param_array(index, int, NULL, 0444);
 425 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 426 module_param_array(id, charp, NULL, 0444);
 427 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 428 module_param_array(enable, bool, NULL, 0444);
 429 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 430 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 431
 432 static struct pci_device_id snd_korg1212_ids[] = {
 433         {
 434                 .vendor    = 0x10b5,
 435                 .device    = 0x906d,
 436                 .subvendor = PCI_ANY_ID,
 437                 .subdevice = PCI_ANY_ID,
 438         },
 439         { 0, },
 440 };
 441
 442 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 443
 444 static char *stateName[] = {
 445         "Non-existent",
 446         "Uninitialized",
 447         "DSP download in process",
 448         "DSP download complete",
 449         "Ready",
 450         "Open",
 451         "Setup for play",
 452         "Playing",
 453         "Monitor mode on",
 454         "Calibrating",
 455         "Invalid"
 456 };
 457
 458 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 459
 460 static char *clockSourceName[] = {
 461         "ADAT at 44.1 kHz",
 462         "ADAT at 48 kHz",
 463         "S/PDIF at 44.1 kHz",
 464         "S/PDIF at 48 kHz",
 465         "local clock at 44.1 kHz",
 466         "local clock at 48 kHz"
 467 };
 468
 469 static char *channelName[] = {
 470         "ADAT-1",
 471         "ADAT-2",
 472         "ADAT-3",
 473         "ADAT-4",
 474         "ADAT-5",
 475         "ADAT-6",
 476         "ADAT-7",
 477         "ADAT-8",
 478         "Analog-L",
 479         "Analog-R",
 480         "SPDIF-L",
 481         "SPDIF-R",
 482 };
 483
 484 static u16 ClockSourceSelector[] = {
 485         0x8000,   // selects source as ADAT at 44.1 kHz
 486         0x0000,   // selects source as ADAT at 48 kHz
 487         0x8001,   // selects source as S/PDIF at 44.1 kHz
 488         0x0001,   // selects source as S/PDIF at 48 kHz
 489         0x8002,   // selects source as local clock at 44.1 kHz
 490         0x0002    // selects source as local clock at 48 kHz
 491 };
 492
 493 union swap_u32 { unsigned char c[4]; u32 i; };
 494
 495 #ifdef SNDRV_BIG_ENDIAN
 496 static u32 LowerWordSwap(u32 swappee)
 497 #else
 498 static u32 UpperWordSwap(u32 swappee)
 499 #endif
 500 {
 501    union swap_u32 retVal, swapper;
 502
 503    swapper.i = swappee;
 504    retVal.c[2] = swapper.c[3];
 505    retVal.c[3] = swapper.c[2];
 506    retVal.c[1] = swapper.c[1];
 507    retVal.c[0] = swapper.c[0];
 508
 509    return retVal.i;
 510 }
 511
 512 #ifdef SNDRV_BIG_ENDIAN
 513 static u32 UpperWordSwap(u32 swappee)
 514 #else
 515 static u32 LowerWordSwap(u32 swappee)
 516 #endif
 517 {
 518    union swap_u32 retVal, swapper;
 519
 520    swapper.i = swappee;
 521    retVal.c[2] = swapper.c[2];
 522    retVal.c[3] = swapper.c[3];
 523    retVal.c[1] = swapper.c[0];
 524    retVal.c[0] = swapper.c[1];
 525
 526    return retVal.i;
 527 }
 528
 529 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 530 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 531 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 532 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 533
 534 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 535                                         enum korg1212_dbcnst doorbellVal,
 536                                         u32 mailBox0Val, u32 mailBox1Val,
 537                                         u32 mailBox2Val, u32 mailBox3Val)
 538 {
 539         u32 retryCount;
 540         u16 mailBox3Lo;
 541         int rc = K1212_CMDRET_Success;
 542
 543         if (!korg1212->outDoorbellPtr) {
 544                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 545                 return K1212_CMDRET_CardUninitialized;
 546         }
 547
 548         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 549                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 550         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 551                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 552                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 553                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 554                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 555                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 556
 557                 // --------------------------------------------------------------
 558                 // the reboot command will not give an acknowledgement.
 559                 // --------------------------------------------------------------
 560                 if ( doorbellVal == K1212_DB_RebootCard ||
 561                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 562                         doorbellVal == K1212_DB_StartDSPDownload ) {
 563                         rc = K1212_CMDRET_Success;
 564                         break;
 565                 }
 566
 567                 // --------------------------------------------------------------
 568                 // See if the card acknowledged the command.  Wait a bit, then
 569                 // read in the low word of mailbox3.  If the MSB is set and the
 570                 // low byte is equal to the doorbell value, then it ack'd.
 571                 // --------------------------------------------------------------
 572                 udelay(COMMAND_ACK_DELAY);
 573                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 574                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 575                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 576                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 577                                 rc = K1212_CMDRET_Success;
 578                                 break;
 579                         }
 580                 }
 581         }
 582         korg1212->cmdRetryCount += retryCount;
 583
 584         if (retryCount >= MAX_COMMAND_RETRIES) {
 585                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 586                 rc = K1212_CMDRET_NoAckFromCard;
 587         }
 588
 589         return rc;
 590 }
 591
 592 /* spinlock already held */
 593 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 594 {
 595         if (! korg1212->stop_pending_cnt) {
 596                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 597                 /* program the timer */
 598                 korg1212->stop_pending_cnt = HZ;
 599                 korg1212->timer.expires = jiffies + 1;
 600                 add_timer(&korg1212->timer);
 601         }
 602 }
 603
 604 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 605 {
 606         unsigned long flags;
 607         spin_lock_irqsave(&korg1212->lock, flags);
 608         korg1212->dsp_stop_is_processed = 0;
 609         snd_korg1212_SendStop(korg1212);
 610         spin_unlock_irqrestore(&korg1212->lock, flags);
 611         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 612 }
 613
 614 /* timer callback for checking the ack of stop request */
 615 static void snd_korg1212_timer_func(unsigned long data)
 616 {
 617         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 618         unsigned long flags;
 619
 620         spin_lock_irqsave(&korg1212->lock, flags);
 621         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 622                 /* ack'ed */
 623                 korg1212->stop_pending_cnt = 0;
 624                 korg1212->dsp_stop_is_processed = 1;
 625                 wake_up(&korg1212->wait);
 626                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 627                                            stateName[korg1212->cardState]);
 628         } else {
 629                 if (--korg1212->stop_pending_cnt > 0) {
 630                         /* reprogram timer */
 631                         korg1212->timer.expires = jiffies + 1;
 632                         add_timer(&korg1212->timer);
 633                 } else {
 634                         snd_printd("korg1212_timer_func timeout\n");
 635                         korg1212->sharedBufferPtr->cardCommand = 0;
 636                         korg1212->dsp_stop_is_processed = 1;
 637                         wake_up(&korg1212->wait);
 638                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 639                                            stateName[korg1212->cardState]);
 640                 }
 641         }
 642         spin_unlock_irqrestore(&korg1212->lock, flags);
 643 }
 644
 645 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 646 {
 647         unsigned long flags;
 648         int rc;
 649
 650         udelay(INTERCOMMAND_DELAY);
 651         spin_lock_irqsave(&korg1212->lock, flags);
 652         korg1212->idleMonitorOn = 1;
 653         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 654                                           K1212_MODE_MonitorOn, 0, 0, 0);
 655         spin_unlock_irqrestore(&korg1212->lock, flags);
 656         return rc;
 657 }
 658
 659 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 660 {
 661         if (korg1212->idleMonitorOn) {
 662                 snd_korg1212_SendStopAndWait(korg1212);
 663                 korg1212->idleMonitorOn = 0;
 664         }
 665 }
 666
 667 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 668 {
 669         korg1212->cardState = csState;
 670 }
 671
 672 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 673 {
 674         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 675                            stateName[korg1212->cardState], korg1212->opencnt);
 676         mutex_lock(&korg1212->open_mutex);
 677         if (korg1212->opencnt++ == 0) {
 678                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 679                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 680         }
 681
 682         mutex_unlock(&korg1212->open_mutex);
 683         return 1;
 684 }
 685
 686 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 687 {
 688         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 689                            stateName[korg1212->cardState], korg1212->opencnt);
 690
 691         mutex_lock(&korg1212->open_mutex);
 692         if (--(korg1212->opencnt)) {
 693                 mutex_unlock(&korg1212->open_mutex);
 694                 return 0;
 695         }
 696
 697         if (korg1212->cardState == K1212_STATE_SETUP) {
 698                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 699                                 K1212_MODE_StopPlay, 0, 0, 0);
 700                 if (rc)
 701                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 702                                            rc, stateName[korg1212->cardState]);
 703                 if (rc != K1212_CMDRET_Success) {
 704                         mutex_unlock(&korg1212->open_mutex);
 705                         return 0;
 706                 }
 707         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 708                 snd_korg1212_SendStopAndWait(korg1212);
 709         }
 710
 711         if (korg1212->cardState > K1212_STATE_READY) {
 712                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 713                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 714         }
 715
 716         mutex_unlock(&korg1212->open_mutex);
 717         return 0;
 718 }
 719
 720 /* spinlock already held */
 721 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 722 {
 723         int rc;
 724
 725         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 726                            stateName[korg1212->cardState], korg1212->setcnt);
 727
 728         if (korg1212->setcnt++)
 729                 return 0;
 730
 731         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 732         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 733                                         K1212_MODE_SetupPlay, 0, 0, 0);
 734         if (rc)
 735                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 736                                    rc, stateName[korg1212->cardState]);
 737         if (rc != K1212_CMDRET_Success) {
 738                 return 1;
 739         }
 740         return 0;
 741 }
 742
 743 /* spinlock already held */
 744 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 745 {
 746         int rc;
 747
 748         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 749                            stateName[korg1212->cardState], korg1212->playcnt);
 750
 751         if (korg1212->playcnt++)
 752                 return 0;
 753
 754         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 755         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 756         if (rc)
 757                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 758                                    rc, stateName[korg1212->cardState]);
 759         if (rc != K1212_CMDRET_Success) {
 760                 return 1;
 761         }
 762         return 0;
 763 }
 764
 765 /* spinlock already held */
 766 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 767 {
 768         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 769                            stateName[korg1212->cardState], korg1212->playcnt);
 770
 771         if (--(korg1212->playcnt))
 772                 return 0;
 773
 774         korg1212->setcnt = 0;
 775
 776         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 777                 snd_korg1212_SendStop(korg1212);
 778
 779         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 780         return 0;
 781 }
 782
 783 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 784 {
 785         writel(PCI_INT_ENABLE_BIT            |
 786                PCI_DOORBELL_INT_ENABLE_BIT   |
 787                LOCAL_INT_ENABLE_BIT          |
 788                LOCAL_DOORBELL_INT_ENABLE_BIT |
 789                LOCAL_DMA1_INT_ENABLE_BIT,
 790                korg1212->statusRegPtr);
 791 }
 792
 793 #if 0 /* not used */
 794
 795 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 796                                        enum MonitorModeSelector mode)
 797 {
 798         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 799                            stateName[korg1212->cardState]);
 800
 801         switch (mode) {
 802         case K1212_MONMODE_Off:
 803                 if (korg1212->cardState != K1212_STATE_MONITOR)
 804                         return 0;
 805                 else {
 806                         snd_korg1212_SendStopAndWait(korg1212);
 807                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 808                 }
 809                 break;
 810
 811         case K1212_MONMODE_On:
 812                 if (korg1212->cardState != K1212_STATE_OPEN)
 813                         return 0;
 814                 else {
 815                         int rc;
 816                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 817                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 818                                                           K1212_MODE_MonitorOn, 0, 0, 0);
 819                         if (rc != K1212_CMDRET_Success)
 820                                 return 0;
 821                 }
 822                 break;
 823
 824         default:
 825                 return 0;
 826         }
 827
 828         return 1;
 829 }
 830
 831 #endif /* not used */
 832
 833 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 834 {
 835         if (korg1212->playback_pid != korg1212->capture_pid &&
 836             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 837                 return 0;
 838
 839         return 1;
 840 }
 841
 842 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 843 {
 844         static enum ClockSourceIndex s44[] = {
 845                 K1212_CLKIDX_AdatAt44_1K,
 846                 K1212_CLKIDX_WordAt44_1K,
 847                 K1212_CLKIDX_LocalAt44_1K
 848         };
 849         static enum ClockSourceIndex s48[] = {
 850                 K1212_CLKIDX_AdatAt48K,
 851                 K1212_CLKIDX_WordAt48K,
 852                 K1212_CLKIDX_LocalAt48K
 853         };
 854         int parm, rc;
 855
 856         if (!snd_korg1212_use_is_exclusive (korg1212))
 857                 return -EBUSY;
 858
 859         switch (rate) {
 860         case 44100:
 861                 parm = s44[korg1212->clkSource];
 862                 break;
 863
 864         case 48000:
 865                 parm = s48[korg1212->clkSource];
 866                 break;
 867
 868         default:
 869                 return -EINVAL;
 870         }
 871
 872         korg1212->clkSrcRate = parm;
 873         korg1212->clkRate = rate;
 874
 875         udelay(INTERCOMMAND_DELAY);
 876         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 877                                           ClockSourceSelector[korg1212->clkSrcRate],
 878                                           0, 0, 0);
 879         if (rc)
 880                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 881                                    rc, stateName[korg1212->cardState]);
 882
 883         return 0;
 884 }
 885
 886 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 887 {
 888
 889         if (source < 0 || source > 2)
 890                 return -EINVAL;
 891
 892         korg1212->clkSource = source;
 893
 894         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 895
 896         return 0;
 897 }
 898
 899 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 900 {
 901         writel(0, korg1212->statusRegPtr);
 902 }
 903
 904 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 905 {
 906         struct SensBits  sensVals;
 907         int       bitPosition;
 908         int       channel;
 909         int       clkIs48K;
 910         int       monModeSet;
 911         u16       controlValue;    // this keeps the current value to be written to
 912                                    //  the card's eeprom control register.
 913         u16       count;
 914         unsigned long flags;
 915
 916         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 917                            stateName[korg1212->cardState]);
 918
 919         // ----------------------------------------------------------------------------
 920         // initialize things.  The local init bit is always set when writing to the
 921         // card's control register.
 922         // ----------------------------------------------------------------------------
 923         controlValue = 0;
 924         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 925
 926         // ----------------------------------------------------------------------------
 927         // make sure the card is not in monitor mode when we do this update.
 928         // ----------------------------------------------------------------------------
 929         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 930                 monModeSet = 1;
 931                 snd_korg1212_SendStopAndWait(korg1212);
 932         } else
 933                 monModeSet = 0;
 934
 935         spin_lock_irqsave(&korg1212->lock, flags);
 936
 937         // ----------------------------------------------------------------------------
 938         // we are about to send new values to the card, so clear the new values queued
 939         // flag.  Also, clear out mailbox 3, so we don't lockup.
 940         // ----------------------------------------------------------------------------
 941         writel(0, korg1212->mailbox3Ptr);
 942         udelay(LOADSHIFT_DELAY);
 943
 944         // ----------------------------------------------------------------------------
 945         // determine whether we are running a 48K or 44.1K clock.  This info is used
 946         // later when setting the SPDIF FF after the volume has been shifted in.
 947         // ----------------------------------------------------------------------------
 948         switch (korg1212->clkSrcRate) {
 949                 case K1212_CLKIDX_AdatAt44_1K:
 950                 case K1212_CLKIDX_WordAt44_1K:
 951                 case K1212_CLKIDX_LocalAt44_1K:
 952                         clkIs48K = 0;
 953                         break;
 954
 955                 case K1212_CLKIDX_WordAt48K:
 956                 case K1212_CLKIDX_AdatAt48K:
 957                 case K1212_CLKIDX_LocalAt48K:
 958                 default:
 959                         clkIs48K = 1;
 960                         break;
 961         }
 962
 963         // ----------------------------------------------------------------------------
 964         // start the update.  Setup the bit structure and then shift the bits.
 965         // ----------------------------------------------------------------------------
 966         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 967         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 968         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 969         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 970
 971         // ----------------------------------------------------------------------------
 972         // now start shifting the bits in.  Start with the left channel then the right.
 973         // ----------------------------------------------------------------------------
 974         for (channel = 0; channel < 2; channel++) {
 975
 976                 // ----------------------------------------------------------------------------
 977                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
 978                 // shift low to the first rising edge of the clock.
 979                 // ----------------------------------------------------------------------------
 980                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 981                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 982                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 983                 udelay(LOADSHIFT_DELAY);
 984
 985                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 986                         if (channel == 0) {
 987                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 988                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 989                                 else
 990                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 991                         } else {
 992                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 993                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 994                                 else
 995                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 996                         }
 997
 998                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 999                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
1000                         udelay(SENSCLKPULSE_WIDTH);
1001                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1002                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
1003                         udelay(SENSCLKPULSE_WIDTH);
1004                 }
1005
1006                 // ----------------------------------------------------------------------------
1007                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1008                 // bit if the clock rate is 48K otherwise write 0.
1009                 // ----------------------------------------------------------------------------
1010                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1011                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1012                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1013                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1014                 udelay(SENSCLKPULSE_WIDTH);
1015
1016                 if (clkIs48K)
1017                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1018
1019                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1020                 udelay(ONE_RTC_TICK);
1021                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1022                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1023                 udelay(SENSCLKPULSE_WIDTH);
1024                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1025                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1026                 udelay(SENSCLKPULSE_WIDTH);
1027         }
1028
1029         // ----------------------------------------------------------------------------
1030         // The update is complete.  Set a timeout.  This is the inter-update delay.
1031         // Also, if the card was in monitor mode, restore it.
1032         // ----------------------------------------------------------------------------
1033         for (count = 0; count < 10; count++)
1034                 udelay(SENSCLKPULSE_WIDTH);
1035
1036         if (monModeSet) {
1037                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1038                                 K1212_MODE_MonitorOn, 0, 0, 0);
1039                 if (rc)
1040                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1041                                            rc, stateName[korg1212->cardState]);
1042         }
1043
1044         spin_unlock_irqrestore(&korg1212->lock, flags);
1045
1046         return 1;
1047 }
1048
1049 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1050 {
1051         int channel, rc;
1052
1053         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1054                            stateName[korg1212->cardState]);
1055
1056         // ----------------------------------------------------
1057         // tell the card to boot
1058         // ----------------------------------------------------
1059         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1060
1061         if (rc)
1062                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1063                                    rc, stateName[korg1212->cardState]);
1064         msleep(DSP_BOOT_DELAY_IN_MS);
1065
1066         // --------------------------------------------------------------------------------
1067         // Let the card know where all the buffers are.
1068         // --------------------------------------------------------------------------------
1069         rc = snd_korg1212_Send1212Command(korg1212,
1070                         K1212_DB_ConfigureBufferMemory,
1071                         LowerWordSwap(korg1212->PlayDataPhy),
1072                         LowerWordSwap(korg1212->RecDataPhy),
1073                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1074                                                                    // is based on 2 buffers
1075                         0
1076         );
1077
1078         if (rc)
1079                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1080                                    rc, stateName[korg1212->cardState]);
1081
1082         udelay(INTERCOMMAND_DELAY);
1083
1084         rc = snd_korg1212_Send1212Command(korg1212,
1085                         K1212_DB_ConfigureMiscMemory,
1086                         LowerWordSwap(korg1212->VolumeTablePhy),
1087                         LowerWordSwap(korg1212->RoutingTablePhy),
1088                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1089                         0
1090         );
1091
1092         if (rc)
1093                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1094                                    rc, stateName[korg1212->cardState]);
1095
1096         // --------------------------------------------------------------------------------
1097         // Initialize the routing and volume tables, then update the card's state.
1098         // --------------------------------------------------------------------------------
1099         udelay(INTERCOMMAND_DELAY);
1100
1101         for (channel = 0; channel < kAudioChannels; channel++) {
1102                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1103                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1104                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1105         }
1106
1107         snd_korg1212_WriteADCSensitivity(korg1212);
1108
1109         udelay(INTERCOMMAND_DELAY);
1110         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1111                                           ClockSourceSelector[korg1212->clkSrcRate],
1112                                           0, 0, 0);
1113         if (rc)
1114                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1115                                    rc, stateName[korg1212->cardState]);
1116
1117         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1118         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1119
1120         if (rc)
1121                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1122                                    rc, stateName[korg1212->cardState]);
1123
1124         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1125 }
1126
1127 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1128 {
1129         u32 doorbellValue;
1130         struct snd_korg1212 *korg1212 = dev_id;
1131
1132         doorbellValue = readl(korg1212->inDoorbellPtr);
1133
1134         if (!doorbellValue)
1135                 return IRQ_NONE;
1136
1137         spin_lock(&korg1212->lock);
1138
1139         writel(doorbellValue, korg1212->inDoorbellPtr);
1140
1141         korg1212->irqcount++;
1142
1143         korg1212->inIRQ++;
1144
1145         switch (doorbellValue) {
1146                 case K1212_DB_DSPDownloadDone:
1147                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1148                                            korg1212->irqcount, doorbellValue,
1149                                            stateName[korg1212->cardState]);
1150                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1151                                 korg1212->dsp_is_loaded = 1;
1152                                 wake_up(&korg1212->wait);
1153                         }
1154                         break;
1155
1156                 // ------------------------------------------------------------------------
1157                 // an error occurred - stop the card
1158                 // ------------------------------------------------------------------------
1159                 case K1212_DB_DMAERROR:
1160                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1161                                                    korg1212->irqcount, doorbellValue,
1162                                                    stateName[korg1212->cardState]);
1163                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1164                         korg1212->errorcnt++;
1165                         korg1212->totalerrorcnt++;
1166                         korg1212->sharedBufferPtr->cardCommand = 0;
1167                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1168                         break;
1169
1170                 // ------------------------------------------------------------------------
1171                 // the card has stopped by our request.  Clear the command word and signal
1172                 // the semaphore in case someone is waiting for this.
1173                 // ------------------------------------------------------------------------
1174                 case K1212_DB_CARDSTOPPED:
1175                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1176                                                    korg1212->irqcount, doorbellValue,
1177                                                    stateName[korg1212->cardState]);
1178                         korg1212->sharedBufferPtr->cardCommand = 0;
1179                         break;
1180
1181                 default:
1182                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1183                                korg1212->irqcount, doorbellValue,
1184                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1185                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1186                                 korg1212->currentBuffer++;
1187
1188                                 if (korg1212->currentBuffer >= kNumBuffers)
1189                                         korg1212->currentBuffer = 0;
1190
1191                                 if (!korg1212->running)
1192                                         break;
1193
1194                                 if (korg1212->capture_substream) {
1195                                         spin_unlock(&korg1212->lock);
1196                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1197                                         spin_lock(&korg1212->lock);
1198                                 }
1199
1200                                 if (korg1212->playback_substream) {
1201                                         spin_unlock(&korg1212->lock);
1202                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1203                                         spin_lock(&korg1212->lock);
1204                                 }
1205                         }
1206                         break;
1207         }
1208
1209         korg1212->inIRQ--;
1210
1211         spin_unlock(&korg1212->lock);
1212
1213         return IRQ_HANDLED;
1214 }
1215
1216 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1217 {
1218         int rc;
1219
1220         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1221                            stateName[korg1212->cardState]);
1222
1223         // ---------------------------------------------------------------
1224         // verify the state of the card before proceeding.
1225         // ---------------------------------------------------------------
1226         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1227                 return 1;
1228
1229         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1230
1231         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1232                                      UpperWordSwap(korg1212->dma_dsp.addr),
1233                                      0, 0, 0);
1234         if (rc)
1235                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1236                                    rc, stateName[korg1212->cardState]);
1237
1238         korg1212->dsp_is_loaded = 0;
1239         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1240         if (! korg1212->dsp_is_loaded )
1241                 return -EBUSY; /* timeout */
1242
1243         snd_korg1212_OnDSPDownloadComplete(korg1212);
1244
1245         return 0;
1246 }
1247
1248 static struct snd_pcm_hardware snd_korg1212_playback_info =
1249 {
1250         .info =              (SNDRV_PCM_INFO_MMAP |
1251                               SNDRV_PCM_INFO_MMAP_VALID |
1252                               SNDRV_PCM_INFO_INTERLEAVED),
1253         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1254         .rates =              (SNDRV_PCM_RATE_44100 |
1255                               SNDRV_PCM_RATE_48000),
1256         .rate_min =           44100,
1257         .rate_max =           48000,
1258         .channels_min =       K1212_MIN_CHANNELS,
1259         .channels_max =       K1212_MAX_CHANNELS,
1260         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1261         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1262         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1263         .periods_min =        K1212_PERIODS,
1264         .periods_max =        K1212_PERIODS,
1265         .fifo_size =          0,
1266 };
1267
1268 static struct snd_pcm_hardware snd_korg1212_capture_info =
1269 {
1270         .info =              (SNDRV_PCM_INFO_MMAP |
1271                               SNDRV_PCM_INFO_MMAP_VALID |
1272                               SNDRV_PCM_INFO_INTERLEAVED),
1273         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1274         .rates =              (SNDRV_PCM_RATE_44100 |
1275                               SNDRV_PCM_RATE_48000),
1276         .rate_min =           44100,
1277         .rate_max =           48000,
1278         .channels_min =       K1212_MIN_CHANNELS,
1279         .channels_max =       K1212_MAX_CHANNELS,
1280         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1281         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1282         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1283         .periods_min =        K1212_PERIODS,
1284         .periods_max =        K1212_PERIODS,
1285         .fifo_size =          0,
1286 };
1287
1288 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1289 {
1290         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1291         int i;
1292
1293         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1294                                    pos, offset, size, count);
1295         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1296
1297         for (i=0; i < count; i++) {
1298 #if K1212_DEBUG_LEVEL > 0
1299                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1300                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1301                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1302                                dst, i);
1303                         return -EFAULT;
1304                 }
1305 #endif
1306                 memset((void*) dst + offset, 0, size);
1307                 dst++;
1308         }
1309
1310         return 0;
1311 }
1312
1313 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1314 {
1315         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1316         int i, rc;
1317
1318         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1319                                    pos, offset, size);
1320         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1321
1322         for (i=0; i < count; i++) {
1323 #if K1212_DEBUG_LEVEL > 0
1324                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1325                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1326                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1327                         return -EFAULT;
1328                 }
1329 #endif
1330                 rc = copy_to_user(dst + offset, src, size);
1331                 if (rc) {
1332                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1333                         return -EFAULT;
1334                 }
1335                 src++;
1336                 dst += size;
1337         }
1338
1339         return 0;
1340 }
1341
1342 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1343 {
1344         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1345         int i, rc;
1346
1347         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1348                                    pos, offset, size, count);
1349
1350         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1351
1352         for (i=0; i < count; i++) {
1353 #if K1212_DEBUG_LEVEL > 0
1354                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1355                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1356                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1357                         return -EFAULT;
1358                 }
1359 #endif
1360                 rc = copy_from_user((void*) dst + offset, src, size);
1361                 if (rc) {
1362                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1363                         return -EFAULT;
1364                 }
1365                 dst++;
1366                 src += size;
1367         }
1368
1369         return 0;
1370 }
1371
1372 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1373 {
1374         struct snd_korg1212 *korg1212 = pcm->private_data;
1375
1376         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1377                            stateName[korg1212->cardState]);
1378
1379         korg1212->pcm = NULL;
1380 }
1381
1382 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1383 {
1384         unsigned long flags;
1385         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1386         struct snd_pcm_runtime *runtime = substream->runtime;
1387
1388         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1389                            stateName[korg1212->cardState]);
1390
1391         snd_korg1212_OpenCard(korg1212);
1392
1393         runtime->hw = snd_korg1212_playback_info;
1394         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1395
1396         spin_lock_irqsave(&korg1212->lock, flags);
1397
1398         korg1212->playback_substream = substream;
1399         korg1212->playback_pid = current->pid;
1400         korg1212->periodsize = K1212_PERIODS;
1401         korg1212->channels = K1212_CHANNELS;
1402         korg1212->errorcnt = 0;
1403
1404         spin_unlock_irqrestore(&korg1212->lock, flags);
1405
1406         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1407         return 0;
1408 }
1409
1410
1411 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1412 {
1413         unsigned long flags;
1414         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1415         struct snd_pcm_runtime *runtime = substream->runtime;
1416
1417         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1418                            stateName[korg1212->cardState]);
1419
1420         snd_korg1212_OpenCard(korg1212);
1421
1422         runtime->hw = snd_korg1212_capture_info;
1423         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1424
1425         spin_lock_irqsave(&korg1212->lock, flags);
1426
1427         korg1212->capture_substream = substream;
1428         korg1212->capture_pid = current->pid;
1429         korg1212->periodsize = K1212_PERIODS;
1430         korg1212->channels = K1212_CHANNELS;
1431
1432         spin_unlock_irqrestore(&korg1212->lock, flags);
1433
1434         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1435                                      kPlayBufferFrames, kPlayBufferFrames);
1436         return 0;
1437 }
1438
1439 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1440 {
1441         unsigned long flags;
1442         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1443
1444         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1445                            stateName[korg1212->cardState]);
1446
1447         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1448
1449         spin_lock_irqsave(&korg1212->lock, flags);
1450
1451         korg1212->playback_pid = -1;
1452         korg1212->playback_substream = NULL;
1453         korg1212->periodsize = 0;
1454
1455         spin_unlock_irqrestore(&korg1212->lock, flags);
1456
1457         snd_korg1212_CloseCard(korg1212);
1458         return 0;
1459 }
1460
1461 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1462 {
1463         unsigned long flags;
1464         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1465
1466         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1467                            stateName[korg1212->cardState]);
1468
1469         spin_lock_irqsave(&korg1212->lock, flags);
1470
1471         korg1212->capture_pid = -1;
1472         korg1212->capture_substream = NULL;
1473         korg1212->periodsize = 0;
1474
1475         spin_unlock_irqrestore(&korg1212->lock, flags);
1476
1477         snd_korg1212_CloseCard(korg1212);
1478         return 0;
1479 }
1480
1481 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1482                              unsigned int cmd, void *arg)
1483 {
1484         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1485
1486         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1487                 struct snd_pcm_channel_info *info = arg;
1488                 info->offset = 0;
1489                 info->first = info->channel * 16;
1490                 info->step = 256;
1491                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1492                 return 0;
1493         }
1494
1495         return snd_pcm_lib_ioctl(substream, cmd, arg);
1496 }
1497
1498 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1499                              struct snd_pcm_hw_params *params)
1500 {
1501         unsigned long flags;
1502         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1503         int err;
1504         pid_t this_pid;
1505         pid_t other_pid;
1506
1507         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1508                            stateName[korg1212->cardState]);
1509
1510         spin_lock_irqsave(&korg1212->lock, flags);
1511
1512         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1513                 this_pid = korg1212->playback_pid;
1514                 other_pid = korg1212->capture_pid;
1515         } else {
1516                 this_pid = korg1212->capture_pid;
1517                 other_pid = korg1212->playback_pid;
1518         }
1519
1520         if ((other_pid > 0) && (this_pid != other_pid)) {
1521
1522                 /* The other stream is open, and not by the same
1523                    task as this one. Make sure that the parameters
1524                    that matter are the same.
1525                  */
1526
1527                 if ((int)params_rate(params) != korg1212->clkRate) {
1528                         spin_unlock_irqrestore(&korg1212->lock, flags);
1529                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1530                         return -EBUSY;
1531                 }
1532
1533                 spin_unlock_irqrestore(&korg1212->lock, flags);
1534                 return 0;
1535         }
1536
1537         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1538                 spin_unlock_irqrestore(&korg1212->lock, flags);
1539                 return err;
1540         }
1541
1542         korg1212->channels = params_channels(params);
1543         korg1212->periodsize = K1212_PERIOD_BYTES;
1544
1545         spin_unlock_irqrestore(&korg1212->lock, flags);
1546
1547         return 0;
1548 }
1549
1550 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1551 {
1552         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1553         int rc;
1554
1555         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1556                            stateName[korg1212->cardState]);
1557
1558         spin_lock_irq(&korg1212->lock);
1559
1560         /* FIXME: we should wait for ack! */
1561         if (korg1212->stop_pending_cnt > 0) {
1562                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1563                                    stateName[korg1212->cardState]);
1564                 spin_unlock_irq(&korg1212->lock);
1565                 return -EAGAIN;
1566                 /*
1567                 korg1212->sharedBufferPtr->cardCommand = 0;
1568                 del_timer(&korg1212->timer);
1569                 korg1212->stop_pending_cnt = 0;
1570                 */
1571         }
1572
1573         rc = snd_korg1212_SetupForPlay(korg1212);
1574
1575         korg1212->currentBuffer = 0;
1576
1577         spin_unlock_irq(&korg1212->lock);
1578
1579         return rc ? -EINVAL : 0;
1580 }
1581
1582 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1583                            int cmd)
1584 {
1585         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1586         int rc;
1587
1588         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1589                            stateName[korg1212->cardState], cmd);
1590
1591         spin_lock(&korg1212->lock);
1592         switch (cmd) {
1593                 case SNDRV_PCM_TRIGGER_START:
1594 /*
1595                         if (korg1212->running) {
1596                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1597                                 break;
1598                         }
1599 */
1600                         korg1212->running++;
1601                         rc = snd_korg1212_TriggerPlay(korg1212);
1602                         break;
1603
1604                 case SNDRV_PCM_TRIGGER_STOP:
1605 /*
1606                         if (!korg1212->running) {
1607                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1608                                 break;
1609                         }
1610 */
1611                         korg1212->running--;
1612                         rc = snd_korg1212_StopPlay(korg1212);
1613                         break;
1614
1615                 default:
1616                         rc = 1;
1617                         break;
1618         }
1619         spin_unlock(&korg1212->lock);
1620         return rc ? -EINVAL : 0;
1621 }
1622
1623 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1624 {
1625         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1626         snd_pcm_uframes_t pos;
1627
1628         pos = korg1212->currentBuffer * kPlayBufferFrames;
1629
1630         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1631                                    stateName[korg1212->cardState], pos);
1632
1633         return pos;
1634 }
1635
1636 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1637 {
1638         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1639         snd_pcm_uframes_t pos;
1640
1641         pos = korg1212->currentBuffer * kPlayBufferFrames;
1642
1643         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1644                                    stateName[korg1212->cardState], pos);
1645
1646         return pos;
1647 }
1648
1649 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1650                         int channel, /* not used (interleaved data) */
1651                         snd_pcm_uframes_t pos,
1652                         void __user *src,
1653                         snd_pcm_uframes_t count)
1654 {
1655         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1656
1657         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1658                                    stateName[korg1212->cardState], pos, count);
1659
1660         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1661
1662 }
1663
1664 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1665                            int channel, /* not used (interleaved data) */
1666                            snd_pcm_uframes_t pos,
1667                            snd_pcm_uframes_t count)
1668 {
1669         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1670
1671         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1672                                    stateName[korg1212->cardState]);
1673
1674         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1675 }
1676
1677 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1678                         int channel, /* not used (interleaved data) */
1679                         snd_pcm_uframes_t pos,
1680                         void __user *dst,
1681                         snd_pcm_uframes_t count)
1682 {
1683         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1684
1685         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1686                                    stateName[korg1212->cardState], pos, count);
1687
1688         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1689 }
1690
1691 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1692         .open =         snd_korg1212_playback_open,
1693         .close =        snd_korg1212_playback_close,
1694         .ioctl =        snd_korg1212_ioctl,
1695         .hw_params =    snd_korg1212_hw_params,
1696         .prepare =      snd_korg1212_prepare,
1697         .trigger =      snd_korg1212_trigger,
1698         .pointer =      snd_korg1212_playback_pointer,
1699         .copy =         snd_korg1212_playback_copy,
1700         .silence =      snd_korg1212_playback_silence,
1701 };
1702
1703 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1704         .open =         snd_korg1212_capture_open,
1705         .close =        snd_korg1212_capture_close,
1706         .ioctl =        snd_korg1212_ioctl,
1707         .hw_params =    snd_korg1212_hw_params,
1708         .prepare =      snd_korg1212_prepare,
1709         .trigger =      snd_korg1212_trigger,
1710         .pointer =      snd_korg1212_capture_pointer,
1711         .copy =         snd_korg1212_capture_copy,
1712 };
1713
1714 /*
1715  * Control Interface
1716  */
1717
1718 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1719                                            struct snd_ctl_elem_info *uinfo)
1720 {
1721         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1722         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1723         return 0;
1724 }
1725
1726 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1727                                           struct snd_ctl_elem_value *u)
1728 {
1729         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1730         int i = kcontrol->private_value;
1731
1732         spin_lock_irq(&korg1212->lock);
1733
1734         u->value.integer.value[0] = korg1212->volumePhase[i];
1735
1736         if (i >= 8)
1737                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1738
1739         spin_unlock_irq(&korg1212->lock);
1740
1741         return 0;
1742 }
1743
1744 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1745                                           struct snd_ctl_elem_value *u)
1746 {
1747         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1748         int change = 0;
1749         int i, val;
1750
1751         spin_lock_irq(&korg1212->lock);
1752
1753         i = kcontrol->private_value;
1754
1755         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1756
1757         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1758
1759         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1760                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1761                 korg1212->sharedBufferPtr->volumeData[i] = val;
1762                 change = 1;
1763         }
1764
1765         if (i >= 8) {
1766                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1767
1768                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1769
1770                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1771                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1772                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1773                         change = 1;
1774                 }
1775         }
1776
1777         spin_unlock_irq(&korg1212->lock);
1778
1779         return change;
1780 }
1781
1782 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1783                                             struct snd_ctl_elem_info *uinfo)
1784 {
1785         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1786         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1787         uinfo->value.integer.min = k1212MinVolume;
1788         uinfo->value.integer.max = k1212MaxVolume;
1789         return 0;
1790 }
1791
1792 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1793                                            struct snd_ctl_elem_value *u)
1794 {
1795         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1796         int i;
1797
1798         spin_lock_irq(&korg1212->lock);
1799
1800         i = kcontrol->private_value;
1801         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1802
1803         if (i >= 8)
1804                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1805
1806         spin_unlock_irq(&korg1212->lock);
1807
1808         return 0;
1809 }
1810
1811 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1812                                            struct snd_ctl_elem_value *u)
1813 {
1814         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1815         int change = 0;
1816         int i;
1817         int val;
1818
1819         spin_lock_irq(&korg1212->lock);
1820
1821         i = kcontrol->private_value;
1822
1823         if (u->value.integer.value[0] >= k1212MinVolume &&
1824             u->value.integer.value[0] >= k1212MaxVolume &&
1825             u->value.integer.value[0] !=
1826             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1827                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1828                 val *= u->value.integer.value[0];
1829                 korg1212->sharedBufferPtr->volumeData[i] = val;
1830                 change = 1;
1831         }
1832
1833         if (i >= 8) {
1834                 if (u->value.integer.value[1] >= k1212MinVolume &&
1835                     u->value.integer.value[1] >= k1212MaxVolume &&
1836                     u->value.integer.value[1] !=
1837                     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] < kAudioChannels &&
1893             u->value.enumerated.item[0] !=
1894             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1895                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1896                 change = 1;
1897         }
1898
1899         if (i >= 8) {
1900                 if (u->value.enumerated.item[1] < kAudioChannels &&
1901                     u->value.enumerated.item[1] !=
1902                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1903                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1904                         change = 1;
1905                 }
1906         }
1907
1908         spin_unlock_irq(&korg1212->lock);
1909
1910         return change;
1911 }
1912
1913 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1914                                      struct snd_ctl_elem_info *uinfo)
1915 {
1916         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1917         uinfo->count = 2;
1918         uinfo->value.integer.min = k1212MaxADCSens;
1919         uinfo->value.integer.max = k1212MinADCSens;
1920         return 0;
1921 }
1922
1923 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1924                                     struct snd_ctl_elem_value *u)
1925 {
1926         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1927
1928         spin_lock_irq(&korg1212->lock);
1929
1930         u->value.integer.value[0] = korg1212->leftADCInSens;
1931         u->value.integer.value[1] = korg1212->rightADCInSens;
1932
1933         spin_unlock_irq(&korg1212->lock);
1934
1935         return 0;
1936 }
1937
1938 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1939                                     struct snd_ctl_elem_value *u)
1940 {
1941         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1942         int change = 0;
1943
1944         spin_lock_irq(&korg1212->lock);
1945
1946         if (u->value.integer.value[0] >= k1212MinADCSens &&
1947             u->value.integer.value[0] <= k1212MaxADCSens &&
1948             u->value.integer.value[0] != korg1212->leftADCInSens) {
1949                 korg1212->leftADCInSens = u->value.integer.value[0];
1950                 change = 1;
1951         }
1952         if (u->value.integer.value[1] >= k1212MinADCSens &&
1953             u->value.integer.value[1] <= k1212MaxADCSens &&
1954             u->value.integer.value[1] != korg1212->rightADCInSens) {
1955                 korg1212->rightADCInSens = u->value.integer.value[1];
1956                 change = 1;
1957         }
1958
1959         spin_unlock_irq(&korg1212->lock);
1960
1961         if (change)
1962                 snd_korg1212_WriteADCSensitivity(korg1212);
1963
1964         return change;
1965 }
1966
1967 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1968                                           struct snd_ctl_elem_info *uinfo)
1969 {
1970         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1971         uinfo->count = 1;
1972         uinfo->value.enumerated.items = 3;
1973         if (uinfo->value.enumerated.item > 2) {
1974                 uinfo->value.enumerated.item = 2;
1975         }
1976         strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1977         return 0;
1978 }
1979
1980 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1981                                          struct snd_ctl_elem_value *ucontrol)
1982 {
1983         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1984
1985         spin_lock_irq(&korg1212->lock);
1986
1987         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1988
1989         spin_unlock_irq(&korg1212->lock);
1990         return 0;
1991 }
1992
1993 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1994                                          struct snd_ctl_elem_value *ucontrol)
1995 {
1996         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1997         unsigned int val;
1998         int change;
1999
2000         val = ucontrol->value.enumerated.item[0] % 3;
2001         spin_lock_irq(&korg1212->lock);
2002         change = val != korg1212->clkSource;
2003         snd_korg1212_SetClockSource(korg1212, val);
2004         spin_unlock_irq(&korg1212->lock);
2005         return change;
2006 }
2007
2008 #define MON_MIXER(ord,c_name)                                                                   \
2009         {                                                                                       \
2010                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2011                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2012                 .name =         c_name " Monitor Volume",                                       \
2013                 .info =         snd_korg1212_control_volume_info,                               \
2014                 .get =          snd_korg1212_control_volume_get,                                \
2015                 .put =          snd_korg1212_control_volume_put,                                \
2016                 .private_value = ord,                                                           \
2017         },                                                                                      \
2018         {                                                                                       \
2019                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2020                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2021                 .name =         c_name " Monitor Route",                                        \
2022                 .info =         snd_korg1212_control_route_info,                                \
2023                 .get =          snd_korg1212_control_route_get,                                 \
2024                 .put =          snd_korg1212_control_route_put,                                 \
2025                 .private_value = ord,                                                           \
2026         },                                                                                      \
2027         {                                                                                       \
2028                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2029                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2030                 .name =         c_name " Monitor Phase Invert",                                 \
2031                 .info =         snd_korg1212_control_phase_info,                                \
2032                 .get =          snd_korg1212_control_phase_get,                                 \
2033                 .put =          snd_korg1212_control_phase_put,                                 \
2034                 .private_value = ord,                                                           \
2035         }
2036
2037 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2038         MON_MIXER(8, "Analog"),
2039         MON_MIXER(10, "SPDIF"),
2040         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2041         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2042         {
2043                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2044                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2045                 .name =         "Sync Source",
2046                 .info =         snd_korg1212_control_sync_info,
2047                 .get =          snd_korg1212_control_sync_get,
2048                 .put =          snd_korg1212_control_sync_put,
2049         },
2050         {
2051                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2052                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2053                 .name =         "ADC Attenuation",
2054                 .info =         snd_korg1212_control_info,
2055                 .get =          snd_korg1212_control_get,
2056                 .put =          snd_korg1212_control_put,
2057         }
2058 };
2059
2060 /*
2061  * proc interface
2062  */
2063
2064 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2065                                    struct snd_info_buffer *buffer)
2066 {
2067         int n;
2068         struct snd_korg1212 *korg1212 = entry->private_data;
2069
2070         snd_iprintf(buffer, korg1212->card->longname);
2071         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2072         snd_iprintf(buffer, "\nGeneral settings\n");
2073         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2074         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2075         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2076         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2077         snd_iprintf(buffer, "    Volume Info:\n");
2078         for (n=0; n<kAudioChannels; n++)
2079                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2080                                     channelName[n],
2081                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2082                                     korg1212->sharedBufferPtr->volumeData[n]);
2083         snd_iprintf(buffer, "\nGeneral status\n");
2084         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2085         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2086         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2087         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2088         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2089         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2090 }
2091
2092 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2093 {
2094         struct snd_info_entry *entry;
2095
2096         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2097                 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2098 }
2099
2100 static int
2101 snd_korg1212_free(struct snd_korg1212 *korg1212)
2102 {
2103         snd_korg1212_TurnOffIdleMonitor(korg1212);
2104
2105         if (korg1212->irq >= 0) {
2106                 synchronize_irq(korg1212->irq);
2107                 snd_korg1212_DisableCardInterrupts(korg1212);
2108                 free_irq(korg1212->irq, korg1212);
2109                 korg1212->irq = -1;
2110         }
2111
2112         if (korg1212->iobase != NULL) {
2113                 iounmap(korg1212->iobase);
2114                 korg1212->iobase = NULL;
2115         }
2116
2117         pci_release_regions(korg1212->pci);
2118
2119         // ----------------------------------------------------
2120         // free up memory resources used for the DSP download.
2121         // ----------------------------------------------------
2122         if (korg1212->dma_dsp.area) {
2123                 snd_dma_free_pages(&korg1212->dma_dsp);
2124                 korg1212->dma_dsp.area = NULL;
2125         }
2126
2127 #ifndef K1212_LARGEALLOC
2128
2129         // ------------------------------------------------------
2130         // free up memory resources used for the Play/Rec Buffers
2131         // ------------------------------------------------------
2132         if (korg1212->dma_play.area) {
2133                 snd_dma_free_pages(&korg1212->dma_play);
2134                 korg1212->dma_play.area = NULL;
2135         }
2136
2137         if (korg1212->dma_rec.area) {
2138                 snd_dma_free_pages(&korg1212->dma_rec);
2139                 korg1212->dma_rec.area = NULL;
2140         }
2141
2142 #endif
2143
2144         // ----------------------------------------------------
2145         // free up memory resources used for the Shared Buffers
2146         // ----------------------------------------------------
2147         if (korg1212->dma_shared.area) {
2148                 snd_dma_free_pages(&korg1212->dma_shared);
2149                 korg1212->dma_shared.area = NULL;
2150         }
2151
2152         pci_disable_device(korg1212->pci);
2153         kfree(korg1212);
2154         return 0;
2155 }
2156
2157 static int snd_korg1212_dev_free(struct snd_device *device)
2158 {
2159         struct snd_korg1212 *korg1212 = device->device_data;
2160         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2161         return snd_korg1212_free(korg1212);
2162 }
2163
2164 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2165                                          struct snd_korg1212 ** rchip)
2166
2167 {
2168         int err, rc;
2169         unsigned int i;
2170         unsigned ioport_size, iomem_size, iomem2_size;
2171         struct snd_korg1212 * korg1212;
2172         const struct firmware *dsp_code;
2173
2174         static struct snd_device_ops ops = {
2175                 .dev_free = snd_korg1212_dev_free,
2176         };
2177
2178         * rchip = NULL;
2179         if ((err = pci_enable_device(pci)) < 0)
2180                 return err;
2181
2182         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2183         if (korg1212 == NULL) {
2184                 pci_disable_device(pci);
2185                 return -ENOMEM;
2186         }
2187
2188         korg1212->card = card;
2189         korg1212->pci = pci;
2190
2191         init_waitqueue_head(&korg1212->wait);
2192         spin_lock_init(&korg1212->lock);
2193         mutex_init(&korg1212->open_mutex);
2194         init_timer(&korg1212->timer);
2195         korg1212->timer.function = snd_korg1212_timer_func;
2196         korg1212->timer.data = (unsigned long)korg1212;
2197
2198         korg1212->irq = -1;
2199         korg1212->clkSource = K1212_CLKIDX_Local;
2200         korg1212->clkRate = 44100;
2201         korg1212->inIRQ = 0;
2202         korg1212->running = 0;
2203         korg1212->opencnt = 0;
2204         korg1212->playcnt = 0;
2205         korg1212->setcnt = 0;
2206         korg1212->totalerrorcnt = 0;
2207         korg1212->playback_pid = -1;
2208         korg1212->capture_pid = -1;
2209         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2210         korg1212->idleMonitorOn = 0;
2211         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2212         korg1212->leftADCInSens = k1212MaxADCSens;
2213         korg1212->rightADCInSens = k1212MaxADCSens;
2214
2215         for (i=0; i<kAudioChannels; i++)
2216                 korg1212->volumePhase[i] = 0;
2217
2218         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2219                 kfree(korg1212);
2220                 pci_disable_device(pci);
2221                 return err;
2222         }
2223
2224         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2225         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2226         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2227
2228         iomem_size = pci_resource_len(korg1212->pci, 0);
2229         ioport_size = pci_resource_len(korg1212->pci, 1);
2230         iomem2_size = pci_resource_len(korg1212->pci, 2);
2231
2232         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2233                    "    iomem = 0x%lx (%d)\n"
2234                    "    ioport  = 0x%lx (%d)\n"
2235                    "    iomem = 0x%lx (%d)\n"
2236                    "    [%s]\n",
2237                    korg1212->iomem, iomem_size,
2238                    korg1212->ioport, ioport_size,
2239                    korg1212->iomem2, iomem2_size,
2240                    stateName[korg1212->cardState]);
2241
2242         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2243                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2244                            korg1212->iomem + iomem_size - 1);
2245                 snd_korg1212_free(korg1212);
2246                 return -EBUSY;
2247         }
2248
2249         err = request_irq(pci->irq, snd_korg1212_interrupt,
2250                           IRQF_SHARED,
2251                           "korg1212", korg1212);
2252
2253         if (err) {
2254                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2255                 snd_korg1212_free(korg1212);
2256                 return -EBUSY;
2257         }
2258
2259         korg1212->irq = pci->irq;
2260
2261         pci_set_master(korg1212->pci);
2262
2263         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2264         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2265         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2266         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2267         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2268         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2269         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2270         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2271         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2272         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2273
2274         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2275                    "    Status register = 0x%p\n"
2276                    "    OutDoorbell     = 0x%p\n"
2277                    "    InDoorbell      = 0x%p\n"
2278                    "    Mailbox0        = 0x%p\n"
2279                    "    Mailbox1        = 0x%p\n"
2280                    "    Mailbox2        = 0x%p\n"
2281                    "    Mailbox3        = 0x%p\n"
2282                    "    ControlReg      = 0x%p\n"
2283                    "    SensReg         = 0x%p\n"
2284                    "    IDReg           = 0x%p\n"
2285                    "    [%s]\n",
2286                    korg1212->statusRegPtr,
2287                    korg1212->outDoorbellPtr,
2288                    korg1212->inDoorbellPtr,
2289                    korg1212->mailbox0Ptr,
2290                    korg1212->mailbox1Ptr,
2291                    korg1212->mailbox2Ptr,
2292                    korg1212->mailbox3Ptr,
2293                    korg1212->controlRegPtr,
2294                    korg1212->sensRegPtr,
2295                    korg1212->idRegPtr,
2296                    stateName[korg1212->cardState]);
2297
2298         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2299                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2300                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2301                 snd_korg1212_free(korg1212);
2302                 return -ENOMEM;
2303         }
2304         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2305         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2306
2307         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2308
2309 #ifndef K1212_LARGEALLOC
2310
2311         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2312
2313         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2314                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2315                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2316                 snd_korg1212_free(korg1212);
2317                 return -ENOMEM;
2318         }
2319         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2320         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2321
2322         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2323                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2324
2325         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2326                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2327                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2328                 snd_korg1212_free(korg1212);
2329                 return -ENOMEM;
2330         }
2331         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2332         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2333
2334         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2335                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2336
2337 #else // K1212_LARGEALLOC
2338
2339         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2340         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2341         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2342         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2343
2344 #endif // K1212_LARGEALLOC
2345
2346         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2347                 offsetof(struct KorgSharedBuffer, volumeData);
2348         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2349                 offsetof(struct KorgSharedBuffer, routeData);
2350         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2351                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2352
2353 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2354         dsp_code = &static_dsp_code;
2355 #else
2356         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2357         if (err < 0) {
2358                 release_firmware(dsp_code);
2359                 snd_printk(KERN_ERR "firmware not available\n");
2360                 snd_korg1212_free(korg1212);
2361                 return err;
2362         }
2363 #endif
2364
2365         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2366                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2367                 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2368                 snd_korg1212_free(korg1212);
2369 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2370                 release_firmware(dsp_code);
2371 #endif
2372                 return -ENOMEM;
2373         }
2374
2375         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2376                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2377                    stateName[korg1212->cardState]);
2378
2379         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2380
2381 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2382         release_firmware(dsp_code);
2383 #endif
2384
2385         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2386
2387         if (rc)
2388                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2389
2390         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2391                 snd_korg1212_free(korg1212);
2392                 return err;
2393         }
2394
2395         snd_korg1212_EnableCardInterrupts(korg1212);
2396
2397         mdelay(CARD_BOOT_DELAY_IN_MS);
2398
2399         if (snd_korg1212_downloadDSPCode(korg1212))
2400                 return -EBUSY;
2401
2402         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2403                "PlayDataPhy = %08x L[%08x]\n"
2404                "korg1212: RecDataPhy = %08x L[%08x], "
2405                "VolumeTablePhy = %08x L[%08x]\n"
2406                "korg1212: RoutingTablePhy = %08x L[%08x], "
2407                "AdatTimeCodePhy = %08x L[%08x]\n",
2408                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2409                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2410                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2411                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2412                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2413                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2414
2415         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2416                 return err;
2417
2418         korg1212->pcm->private_data = korg1212;
2419         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2420         strcpy(korg1212->pcm->name, "korg1212");
2421
2422         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2423
2424         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2425
2426         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2427
2428         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2429                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2430                 if (err < 0)
2431                         return err;
2432         }
2433
2434         snd_korg1212_proc_init(korg1212);
2435
2436         snd_card_set_dev(card, &pci->dev);
2437
2438         * rchip = korg1212;
2439         return 0;
2440
2441 }
2442
2443 /*
2444  * Card initialisation
2445  */
2446
2447 static int __devinit
2448 snd_korg1212_probe(struct pci_dev *pci,
2449                 const struct pci_device_id *pci_id)
2450 {
2451         static int dev;
2452         struct snd_korg1212 *korg1212;
2453         struct snd_card *card;
2454         int err;
2455
2456         if (dev >= SNDRV_CARDS) {
2457                 return -ENODEV;
2458         }
2459         if (!enable[dev]) {
2460                 dev++;
2461                 return -ENOENT;
2462         }
2463         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2464         if (card == NULL)
2465                 return -ENOMEM;
2466
2467         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2468                 snd_card_free(card);
2469                 return err;
2470         }
2471
2472         strcpy(card->driver, "korg1212");
2473         strcpy(card->shortname, "korg1212");
2474         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2475                 korg1212->iomem, korg1212->irq);
2476
2477         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2478
2479         if ((err = snd_card_register(card)) < 0) {
2480                 snd_card_free(card);
2481                 return err;
2482         }
2483         pci_set_drvdata(pci, card);
2484         dev++;
2485         return 0;
2486 }
2487
2488 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2489 {
2490         snd_card_free(pci_get_drvdata(pci));
2491         pci_set_drvdata(pci, NULL);
2492 }
2493
2494 static struct pci_driver driver = {
2495         .name = "korg1212",
2496         .id_table = snd_korg1212_ids,
2497         .probe = snd_korg1212_probe,
2498         .remove = __devexit_p(snd_korg1212_remove),
2499 };
2500
2501 static int __init alsa_card_korg1212_init(void)
2502 {
2503         return pci_register_driver(&driver);
2504 }
2505
2506 static void __exit alsa_card_korg1212_exit(void)
2507 {
2508         pci_unregister_driver(&driver);
2509 }
2510
2511 module_init(alsa_card_korg1212_init)
2512 module_exit(alsa_card_korg1212_exit)