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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
  31 #include <sound/core.h>
  32 #include <sound/info.h>
  33 #include <sound/control.h>
  34 #include <sound/pcm.h>
  35 #include <sound/pcm_params.h>
  36 #include <sound/initval.h>
  37
  38 #include <asm/io.h>
  39
  40 // ----------------------------------------------------------------------------
  41 // Debug Stuff
  42 // ----------------------------------------------------------------------------
  43 #define K1212_DEBUG_LEVEL               0
  44 #define K1212_DEBUG_PRINTK              printk
  45 //#define K1212_DEBUG_PRINTK(x...)      printk("<0>" x)
  46
  47 // ----------------------------------------------------------------------------
  48 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
  49 // buffers are alocated as a large piece inside KorgSharedBuffer.
  50 // ----------------------------------------------------------------------------
  51 //#define K1212_LARGEALLOC              1
  52
  53 // ----------------------------------------------------------------------------
  54 // Valid states of the Korg 1212 I/O card.
  55 // ----------------------------------------------------------------------------
  56 typedef enum {
  57    K1212_STATE_NONEXISTENT,             // there is no card here
  58    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  59    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  60    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  61    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  62                                         //    requests prior to this state should fail.  Only an open
  63                                         //    request can be made at this state.
  64    K1212_STATE_OPEN,                    // an application has opened the card
  65    K1212_STATE_SETUP,                   // the card has been setup for play
  66    K1212_STATE_PLAYING,                 // the card is playing
  67    K1212_STATE_MONITOR,                 // the card is in the monitor mode
  68    K1212_STATE_CALIBRATING,             // the card is currently calibrating
  69    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  70                                         //    are in the process of cleaning things up.
  71    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  72 } CardState;
  73
  74 // ----------------------------------------------------------------------------
  75 // The following enumeration defines the constants written to the card's
  76 // host-to-card doorbell to initiate a command.
  77 // ----------------------------------------------------------------------------
  78 typedef enum {
  79    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  80    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  81    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  82    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  83    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  84    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  85    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  86    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  87                                           //    timecode value.
  88    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  89    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  90    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
  91    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
  92                                           //    on page 4 (local page to card).
  93    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
  94                                           //    completed.
  95    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
  96 } korg1212_dbcnst_t;
  97
  98
  99 // ----------------------------------------------------------------------------
 100 // The following enumeration defines return codes
 101 // to the Korg 1212 I/O driver.
 102 // ----------------------------------------------------------------------------
 103 typedef enum {
 104    K1212_CMDRET_Success         = 0,   // command was successfully placed
 105    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 106    K1212_CMDRET_PMFailure,             // the protected mode call failed
 107    K1212_CMDRET_FailUnspecified,       // unspecified failure
 108    K1212_CMDRET_FailBadState,          // the specified command can not be given in
 109                                        //    the card's current state. (or the wave device's
 110                                        //    state)
 111    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 112    K1212_CMDRET_BadIndex,              // an out of range card index was specified
 113    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 114    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 115    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 116    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 117    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 118
 119    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 120    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 121 } snd_korg1212rc;
 122
 123 // ----------------------------------------------------------------------------
 124 // The following enumeration defines the constants used to select the play
 125 // mode for the card in the SelectPlayMode command.
 126 // ----------------------------------------------------------------------------
 127 typedef enum {
 128    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 129    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 130    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 131    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 132 } PlayModeSelector;
 133
 134 // ----------------------------------------------------------------------------
 135 // The following enumeration defines the constants used to select the monitor
 136 // mode for the card in the SetMonitorMode command.
 137 // ----------------------------------------------------------------------------
 138 typedef enum {
 139    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 140    K1212_MONMODE_On            // tells card to turn on monitor mode
 141 } MonitorModeSelector;
 142
 143 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 144 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 145 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 146 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 147 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 148 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 149 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 150 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 151                                         //    register
 152 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 153                                         //    this is the upper word of the PCI control reg.
 154 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 155
 156 #define COMMAND_ACK_DELAY    13        // number of RTC ticks to wait for an acknowledgement
 157                                         //    from the card after sending a command.
 158 #define INTERCOMMAND_DELAY   40
 159 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 160                                        //    to send a command before giving up.
 161 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 162                                         //    the card.
 163 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 164
 165 #define CARD_BOOT_DELAY_IN_MS  10
 166 #define CARD_BOOT_TIMEOUT      10
 167 #define DSP_BOOT_DELAY_IN_MS   200
 168
 169 #define kNumBuffers             8
 170 #define k1212MaxCards           4
 171 #define k1212NumWaveDevices     6
 172 #define k16BitChannels          10
 173 #define k32BitChannels          2
 174 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 175 #define kPlayBufferFrames       1024
 176
 177 #define K1212_ANALOG_CHANNELS   2
 178 #define K1212_SPDIF_CHANNELS    2
 179 #define K1212_ADAT_CHANNELS     8
 180 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 181 #define K1212_MIN_CHANNELS      1
 182 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 183 #define K1212_FRAME_SIZE        (sizeof(KorgAudioFrame))
 184 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 185 #define K1212_PERIODS           (kNumBuffers)
 186 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 187 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 188 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 189 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 190 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 191 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 192
 193 #define k1212MinADCSens     0x7f
 194 #define k1212MaxADCSens     0x00
 195 #define k1212MaxVolume      0x7fff
 196 #define k1212MaxWaveVolume  0xffff
 197 #define k1212MinVolume      0x0000
 198 #define k1212MaxVolInverted 0x8000
 199
 200 // -----------------------------------------------------------------
 201 // the following bits are used for controlling interrupts in the
 202 // interrupt control/status reg
 203 // -----------------------------------------------------------------
 204 #define  PCI_INT_ENABLE_BIT               0x00000100
 205 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 206 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 207 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 208 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 209
 210 // -----------------------------------------------------------------
 211 // the following bits are defined for the PCI command register
 212 // -----------------------------------------------------------------
 213 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 214 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 215 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 216
 217 // -----------------------------------------------------------------
 218 // the following bits are defined for the PCI status register
 219 // -----------------------------------------------------------------
 220 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 221 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 222 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 223 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 224 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 225
 226 // ------------------------------------------------------------------------
 227 // the following constants are used in setting the 1212 I/O card's input
 228 // sensitivity.
 229 // ------------------------------------------------------------------------
 230 #define  SET_SENS_LOCALINIT_BITPOS        15
 231 #define  SET_SENS_DATA_BITPOS             10
 232 #define  SET_SENS_CLOCK_BITPOS            8
 233 #define  SET_SENS_LOADSHIFT_BITPOS        0
 234
 235 #define  SET_SENS_LEFTCHANID              0x00
 236 #define  SET_SENS_RIGHTCHANID             0x01
 237
 238 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 239
 240 // --------------------------------------------------------------------------
 241 // WaitRTCTicks
 242 //
 243 //    This function waits the specified number of real time clock ticks.
 244 //    According to the DDK, each tick is ~0.8 microseconds.
 245 //    The defines following the function declaration can be used for the
 246 //    numTicksToWait parameter.
 247 // --------------------------------------------------------------------------
 248 #define ONE_RTC_TICK         1
 249 #define SENSCLKPULSE_WIDTH   4
 250 #define LOADSHIFT_DELAY      4
 251 #define INTERCOMMAND_DELAY  40
 252 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 253                                        //    the command register.  (could be up to 180 us)
 254 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 255                                        //    from the card after sending a command.
 256
 257 #include "korg1212-firmware.h"
 258
 259 typedef struct _snd_korg1212 korg1212_t;
 260
 261 typedef u16 K1212Sample;          // channels 0-9 use 16 bit samples
 262 typedef u32 K1212SpdifSample;     // channels 10-11 use 32 bits - only 20 are sent
 263                                   //  across S/PDIF.
 264 typedef u32 K1212TimeCodeSample;  // holds the ADAT timecode value
 265
 266 typedef enum {
 267    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 268    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 269    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 270    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 271    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 272    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 273    K1212_CLKIDX_Invalid             // used to check validity of the index
 274 } ClockSourceIndex;
 275
 276 typedef enum {
 277    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 278    K1212_CLKIDX_Word,        // selects source as S/PDIF
 279    K1212_CLKIDX_Local        // selects source as local clock
 280 } ClockSourceType;
 281
 282 typedef struct KorgAudioFrame {
 283    K1212Sample          frameData16[k16BitChannels];
 284    K1212SpdifSample     frameData32[k32BitChannels];
 285    K1212TimeCodeSample  timeCodeVal;
 286 } KorgAudioFrame;
 287
 288 typedef struct KorgAudioBuffer {
 289    KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 290 } KorgAudioBuffer;
 291
 292 typedef struct KorgSharedBuffer {
 293 #ifdef K1212_LARGEALLOC
 294    KorgAudioBuffer   playDataBufs[kNumBuffers];
 295    KorgAudioBuffer   recordDataBufs[kNumBuffers];
 296 #endif
 297    short             volumeData[kAudioChannels];
 298    u32               cardCommand;
 299    u16               routeData [kAudioChannels];
 300    u32               AdatTimeCode;                 // ADAT timecode value
 301 } KorgSharedBuffer;
 302
 303 typedef struct SensBits {
 304    union {
 305       struct {
 306          unsigned int leftChanVal:8;
 307          unsigned int leftChanId:8;
 308       } v;
 309       u16  leftSensBits;
 310    } l;
 311    union {
 312       struct {
 313          unsigned int rightChanVal:8;
 314          unsigned int rightChanId:8;
 315       } v;
 316       u16  rightSensBits;
 317    } r;
 318 } SensBits;
 319
 320 struct _snd_korg1212 {
 321         snd_card_t *card;
 322         struct pci_dev *pci;
 323         snd_pcm_t *pcm;
 324         int irq;
 325
 326         spinlock_t    lock;
 327         struct semaphore open_mutex;
 328
 329         struct timer_list timer;        /* timer callback for checking ack of stop request */
 330         int stop_pending_cnt;           /* counter for stop pending check */
 331
 332         wait_queue_head_t wait;
 333
 334         unsigned long iomem;
 335         unsigned long ioport;
 336         unsigned long iomem2;
 337         unsigned long irqcount;
 338         unsigned long inIRQ;
 339         void __iomem *iobase;
 340
 341         struct snd_dma_buffer dma_dsp;
 342         struct snd_dma_buffer dma_play;
 343         struct snd_dma_buffer dma_rec;
 344         struct snd_dma_buffer dma_shared;
 345
 346         u32 dspCodeSize;
 347
 348         u32 DataBufsSize;
 349
 350         KorgAudioBuffer  * playDataBufsPtr;
 351         KorgAudioBuffer  * recordDataBufsPtr;
 352
 353         KorgSharedBuffer * sharedBufferPtr;
 354
 355         u32 RecDataPhy;
 356         u32 PlayDataPhy;
 357         unsigned long sharedBufferPhy;
 358         u32 VolumeTablePhy;
 359         u32 RoutingTablePhy;
 360         u32 AdatTimeCodePhy;
 361
 362         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 363         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 364         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 365         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 366         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 367         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 368         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 369         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 370         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 371         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 372
 373         size_t periodsize;
 374         int channels;
 375         int currentBuffer;
 376
 377         snd_pcm_substream_t *playback_substream;
 378         snd_pcm_substream_t *capture_substream;
 379
 380         pid_t capture_pid;
 381         pid_t playback_pid;
 382
 383         CardState cardState;
 384         int running;
 385         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 386         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 387
 388         ClockSourceIndex clkSrcRate; // sample rate and clock source
 389
 390         ClockSourceType clkSource;   // clock source
 391         int clkRate;                 // clock rate
 392
 393         int volumePhase[kAudioChannels];
 394
 395         u16 leftADCInSens;           // ADC left channel input sensitivity
 396         u16 rightADCInSens;          // ADC right channel input sensitivity
 397
 398         int opencnt;                 // Open/Close count
 399         int setcnt;                  // SetupForPlay count
 400         int playcnt;                 // TriggerPlay count
 401         int errorcnt;                // Error Count
 402         unsigned long totalerrorcnt; // Total Error Count
 403
 404         int dsp_is_loaded;
 405         int dsp_stop_is_processed;
 406
 407 };
 408
 409 MODULE_DESCRIPTION("korg1212");
 410 MODULE_LICENSE("GPL");
 411 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 412
 413 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 414 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 415 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 416
 417 module_param_array(index, int, NULL, 0444);
 418 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 419 module_param_array(id, charp, NULL, 0444);
 420 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 421 module_param_array(enable, bool, NULL, 0444);
 422 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 423 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 424
 425 static struct pci_device_id snd_korg1212_ids[] = {
 426         {
 427                 .vendor    = 0x10b5,
 428                 .device    = 0x906d,
 429                 .subvendor = PCI_ANY_ID,
 430                 .subdevice = PCI_ANY_ID,
 431         },
 432         { 0, },
 433 };
 434
 435 static char* stateName[] = {
 436                         "Non-existent",
 437                         "Uninitialized",
 438                         "DSP download in process",
 439                         "DSP download complete",
 440                         "Ready",
 441                         "Open",
 442                         "Setup for play",
 443                         "Playing",
 444                         "Monitor mode on",
 445                         "Calibrating",
 446                         "Invalid"
 447 };
 448
 449 static char* clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 450
 451 static char* clockSourceName[] = {
 452                         "ADAT at 44.1 kHz",
 453                         "ADAT at 48 kHz",
 454                         "S/PDIF at 44.1 kHz",
 455                         "S/PDIF at 48 kHz",
 456                         "local clock at 44.1 kHz",
 457                         "local clock at 48 kHz"
 458 };
 459
 460 static char* channelName[] = {
 461                         "ADAT-1",
 462                         "ADAT-2",
 463                         "ADAT-3",
 464                         "ADAT-4",
 465                         "ADAT-5",
 466                         "ADAT-6",
 467                         "ADAT-7",
 468                         "ADAT-8",
 469                         "Analog-L",
 470                         "Analog-R",
 471                         "SPDIF-L",
 472                         "SPDIF-R",
 473 };
 474
 475 static u16 ClockSourceSelector[] =
 476                             {0x8000,   // selects source as ADAT at 44.1 kHz
 477                              0x0000,   // selects source as ADAT at 48 kHz
 478                              0x8001,   // selects source as S/PDIF at 44.1 kHz
 479                              0x0001,   // selects source as S/PDIF at 48 kHz
 480                              0x8002,   // selects source as local clock at 44.1 kHz
 481                              0x0002    // selects source as local clock at 48 kHz
 482                             };
 483
 484 static snd_korg1212rc rc;
 485
 486 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 487
 488 typedef union swap_u32 { unsigned char c[4]; u32 i; } swap_u32;
 489
 490 #ifdef SNDRV_BIG_ENDIAN
 491 static u32 LowerWordSwap(u32 swappee)
 492 #else
 493 static u32 UpperWordSwap(u32 swappee)
 494 #endif
 495 {
 496    swap_u32 retVal, swapper;
 497
 498    swapper.i = swappee;
 499    retVal.c[2] = swapper.c[3];
 500    retVal.c[3] = swapper.c[2];
 501    retVal.c[1] = swapper.c[1];
 502    retVal.c[0] = swapper.c[0];
 503
 504    return retVal.i;
 505 }
 506
 507 #ifdef SNDRV_BIG_ENDIAN
 508 static u32 UpperWordSwap(u32 swappee)
 509 #else
 510 static u32 LowerWordSwap(u32 swappee)
 511 #endif
 512 {
 513    swap_u32 retVal, swapper;
 514
 515    swapper.i = swappee;
 516    retVal.c[2] = swapper.c[2];
 517    retVal.c[3] = swapper.c[3];
 518    retVal.c[1] = swapper.c[0];
 519    retVal.c[0] = swapper.c[1];
 520
 521    return retVal.i;
 522 }
 523
 524 #if 0 /* not used */
 525
 526 static u32 EndianSwap(u32 swappee)
 527 {
 528    swap_u32 retVal, swapper;
 529
 530    swapper.i = swappee;
 531    retVal.c[0] = swapper.c[3];
 532    retVal.c[1] = swapper.c[2];
 533    retVal.c[2] = swapper.c[1];
 534    retVal.c[3] = swapper.c[0];
 535
 536    return retVal.i;
 537 }
 538
 539 #endif /* not used */
 540
 541 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 542 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 543 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 544 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 545
 546 static snd_korg1212rc snd_korg1212_Send1212Command(korg1212_t *korg1212, korg1212_dbcnst_t doorbellVal,
 547                             u32 mailBox0Val, u32 mailBox1Val, u32 mailBox2Val, u32 mailBox3Val)
 548 {
 549         u32 retryCount;
 550         u16 mailBox3Lo;
 551         snd_korg1212rc rc = K1212_CMDRET_Success;
 552
 553         if (!korg1212->outDoorbellPtr) {
 554 #if K1212_DEBUG_LEVEL > 1
 555                 K1212_DEBUG_PRINTK("K1212_DEBUG: CardUninitialized\n");
 556 #endif
 557                 return K1212_CMDRET_CardUninitialized;
 558         }
 559
 560 #if K1212_DEBUG_LEVEL > 0
 561         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n", doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 562 #endif
 563         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 564                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 565                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 566                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 567                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 568                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 569
 570                 // --------------------------------------------------------------
 571                 // the reboot command will not give an acknowledgement.
 572                 // --------------------------------------------------------------
 573                 if ( doorbellVal == K1212_DB_RebootCard ||
 574                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 575                         doorbellVal == K1212_DB_StartDSPDownload ) {
 576                         rc = K1212_CMDRET_Success;
 577                         break;
 578                 }
 579
 580                 // --------------------------------------------------------------
 581                 // See if the card acknowledged the command.  Wait a bit, then
 582                 // read in the low word of mailbox3.  If the MSB is set and the
 583                 // low byte is equal to the doorbell value, then it ack'd.
 584                 // --------------------------------------------------------------
 585                 udelay(COMMAND_ACK_DELAY);
 586                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 587                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 588                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 589 #if K1212_DEBUG_LEVEL > 1
 590                                 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- Success\n");
 591 #endif
 592                                 rc = K1212_CMDRET_Success;
 593                                 break;
 594                         }
 595                 }
 596         }
 597         korg1212->cmdRetryCount += retryCount;
 598
 599         if (retryCount >= MAX_COMMAND_RETRIES) {
 600 #if K1212_DEBUG_LEVEL > 1
 601                 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- NoAckFromCard\n");
 602 #endif
 603                 rc = K1212_CMDRET_NoAckFromCard;
 604         }
 605
 606         return rc;
 607 }
 608
 609 /* spinlock already held */
 610 static void snd_korg1212_SendStop(korg1212_t *korg1212)
 611 {
 612         if (! korg1212->stop_pending_cnt) {
 613                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 614                 /* program the timer */
 615                 korg1212->stop_pending_cnt = HZ;
 616                 korg1212->timer.expires = jiffies + 1;
 617                 add_timer(&korg1212->timer);
 618         }
 619 }
 620
 621 static void snd_korg1212_SendStopAndWait(korg1212_t *korg1212)
 622 {
 623         unsigned long flags;
 624         spin_lock_irqsave(&korg1212->lock, flags);
 625         korg1212->dsp_stop_is_processed = 0;
 626         snd_korg1212_SendStop(korg1212);
 627         spin_unlock_irqrestore(&korg1212->lock, flags);
 628         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 629 }
 630
 631 /* timer callback for checking the ack of stop request */
 632 static void snd_korg1212_timer_func(unsigned long data)
 633 {
 634         korg1212_t *korg1212 = (korg1212_t *) data;
 635
 636         spin_lock(&korg1212->lock);
 637         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 638                 /* ack'ed */
 639                 korg1212->stop_pending_cnt = 0;
 640                 korg1212->dsp_stop_is_processed = 1;
 641                 wake_up(&korg1212->wait);
 642 #if K1212_DEBUG_LEVEL > 1
 643                 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop ack'ed [%s]\n", stateName[korg1212->cardState]);
 644 #endif
 645         } else {
 646                 if (--korg1212->stop_pending_cnt > 0) {
 647                         /* reprogram timer */
 648                         korg1212->timer.expires = jiffies + 1;
 649                         add_timer(&korg1212->timer);
 650                 } else {
 651                         snd_printd("korg1212_timer_func timeout\n");
 652                         korg1212->sharedBufferPtr->cardCommand = 0;
 653                         korg1212->dsp_stop_is_processed = 1;
 654                         wake_up(&korg1212->wait);
 655 #if K1212_DEBUG_LEVEL > 0
 656                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n", stateName[korg1212->cardState]);
 657 #endif
 658                 }
 659         }
 660         spin_unlock(&korg1212->lock);
 661 }
 662
 663 static void snd_korg1212_TurnOnIdleMonitor(korg1212_t *korg1212)
 664 {
 665         unsigned long flags;
 666
 667         udelay(INTERCOMMAND_DELAY);
 668         spin_lock_irqsave(&korg1212->lock, flags);
 669         korg1212->idleMonitorOn = 1;
 670         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 671                                           K1212_MODE_MonitorOn, 0, 0, 0);
 672         spin_unlock_irqrestore(&korg1212->lock, flags);
 673 }
 674
 675 static void snd_korg1212_TurnOffIdleMonitor(korg1212_t *korg1212)
 676 {
 677         if (korg1212->idleMonitorOn) {
 678                 snd_korg1212_SendStopAndWait(korg1212);
 679                 korg1212->idleMonitorOn = 0;
 680         }
 681 }
 682
 683 static inline void snd_korg1212_setCardState(korg1212_t * korg1212, CardState csState)
 684 {
 685         korg1212->cardState = csState;
 686 }
 687
 688 static int snd_korg1212_OpenCard(korg1212_t * korg1212)
 689 {
 690 #if K1212_DEBUG_LEVEL > 0
 691         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n", stateName[korg1212->cardState], korg1212->opencnt);
 692 #endif
 693         down(&korg1212->open_mutex);
 694         if (korg1212->opencnt++ == 0) {
 695                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 696                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 697         }
 698
 699         up(&korg1212->open_mutex);
 700         return 1;
 701 }
 702
 703 static int snd_korg1212_CloseCard(korg1212_t * korg1212)
 704 {
 705 #if K1212_DEBUG_LEVEL > 0
 706         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n", stateName[korg1212->cardState], korg1212->opencnt);
 707 #endif
 708
 709         down(&korg1212->open_mutex);
 710         if (--(korg1212->opencnt)) {
 711                 up(&korg1212->open_mutex);
 712                 return 0;
 713         }
 714
 715         if (korg1212->cardState == K1212_STATE_SETUP) {
 716                 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 717                                 K1212_MODE_StopPlay, 0, 0, 0);
 718 #if K1212_DEBUG_LEVEL > 0
 719         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
 720 #endif
 721
 722                 if (rc != K1212_CMDRET_Success) {
 723                         up(&korg1212->open_mutex);
 724                         return 0;
 725                 }
 726         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 727                 snd_korg1212_SendStopAndWait(korg1212);
 728         }
 729
 730         if (korg1212->cardState > K1212_STATE_READY) {
 731                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 732                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 733         }
 734
 735         up(&korg1212->open_mutex);
 736         return 0;
 737 }
 738
 739 /* spinlock already held */
 740 static int snd_korg1212_SetupForPlay(korg1212_t * korg1212)
 741 {
 742 #if K1212_DEBUG_LEVEL > 0
 743         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n", stateName[korg1212->cardState], korg1212->setcnt);
 744 #endif
 745
 746         if (korg1212->setcnt++)
 747                 return 0;
 748
 749         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 750         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 751                                         K1212_MODE_SetupPlay, 0, 0, 0);
 752
 753 #if K1212_DEBUG_LEVEL > 0
 754         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
 755 #endif
 756         if (rc != K1212_CMDRET_Success) {
 757                 return 1;
 758         }
 759         return 0;
 760 }
 761
 762 /* spinlock already held */
 763 static int snd_korg1212_TriggerPlay(korg1212_t * korg1212)
 764 {
 765 #if K1212_DEBUG_LEVEL > 0
 766         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n", stateName[korg1212->cardState], korg1212->playcnt);
 767 #endif
 768
 769         if (korg1212->playcnt++)
 770                 return 0;
 771
 772         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 773         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 774
 775 #if K1212_DEBUG_LEVEL > 0
 776         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
 777 #endif
 778
 779         if (rc != K1212_CMDRET_Success) {
 780                 return 1;
 781         }
 782         return 0;
 783 }
 784
 785 /* spinlock already held */
 786 static int snd_korg1212_StopPlay(korg1212_t * korg1212)
 787 {
 788 #if K1212_DEBUG_LEVEL > 0
 789         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n", stateName[korg1212->cardState], korg1212->playcnt);
 790 #endif
 791
 792         if (--(korg1212->playcnt))
 793                 return 0;
 794
 795         korg1212->setcnt = 0;
 796
 797         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 798                 snd_korg1212_SendStop(korg1212);
 799
 800         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 801         return 0;
 802 }
 803
 804 static void snd_korg1212_EnableCardInterrupts(korg1212_t * korg1212)
 805 {
 806         writel(PCI_INT_ENABLE_BIT            |
 807                PCI_DOORBELL_INT_ENABLE_BIT   |
 808                LOCAL_INT_ENABLE_BIT          |
 809                LOCAL_DOORBELL_INT_ENABLE_BIT |
 810                LOCAL_DMA1_INT_ENABLE_BIT,
 811                korg1212->statusRegPtr);
 812 }
 813
 814 #if 0 /* not used */
 815
 816 static int snd_korg1212_SetMonitorMode(korg1212_t *korg1212, MonitorModeSelector mode)
 817 {
 818 #if K1212_DEBUG_LEVEL > 0
 819         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n", stateName[korg1212->cardState]);
 820 #endif
 821
 822         switch (mode) {
 823                 case K1212_MONMODE_Off:
 824                         if (korg1212->cardState != K1212_STATE_MONITOR) {
 825                                 return 0;
 826                         } else {
 827                                 snd_korg1212_SendStopAndWait(korg1212);
 828                                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 829                         }
 830                         break;
 831
 832                 case K1212_MONMODE_On:
 833                         if (korg1212->cardState != K1212_STATE_OPEN) {
 834                                 return 0;
 835                         } else {
 836                                 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 837                                 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 838                                                         K1212_MODE_MonitorOn, 0, 0, 0);
 839                                 if (rc != K1212_CMDRET_Success) {
 840                                         return 0;
 841                                 }
 842                         }
 843                         break;
 844
 845                 default:
 846                         return 0;
 847         }
 848
 849         return 1;
 850 }
 851
 852 #endif /* not used */
 853
 854 static inline int snd_korg1212_use_is_exclusive(korg1212_t *korg1212)
 855 {
 856         int ret = 1;
 857
 858         if ((korg1212->playback_pid != korg1212->capture_pid) &&
 859             (korg1212->playback_pid >= 0) && (korg1212->capture_pid >= 0)) {
 860                 ret = 0;
 861         }
 862         return ret;
 863 }
 864
 865 static int snd_korg1212_SetRate(korg1212_t *korg1212, int rate)
 866 {
 867         static ClockSourceIndex s44[] = { K1212_CLKIDX_AdatAt44_1K,
 868                                           K1212_CLKIDX_WordAt44_1K,
 869                                           K1212_CLKIDX_LocalAt44_1K };
 870         static ClockSourceIndex s48[] = {
 871                                           K1212_CLKIDX_AdatAt48K,
 872                                           K1212_CLKIDX_WordAt48K,
 873                                           K1212_CLKIDX_LocalAt48K };
 874         int parm;
 875
 876         if (!snd_korg1212_use_is_exclusive (korg1212)) {
 877                 return -EBUSY;
 878         }
 879
 880         switch(rate) {
 881                 case 44100:
 882                 parm = s44[korg1212->clkSource];
 883                 break;
 884
 885                 case 48000:
 886                 parm = s48[korg1212->clkSource];
 887                 break;
 888
 889                 default:
 890                 return -EINVAL;
 891         }
 892
 893         korg1212->clkSrcRate = parm;
 894         korg1212->clkRate = rate;
 895
 896         udelay(INTERCOMMAND_DELAY);
 897         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 898                                           ClockSourceSelector[korg1212->clkSrcRate],
 899                                           0, 0, 0);
 900
 901 #if K1212_DEBUG_LEVEL > 0
 902         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
 903 #endif
 904
 905         return 0;
 906 }
 907
 908 static int snd_korg1212_SetClockSource(korg1212_t *korg1212, int source)
 909 {
 910
 911         if (source<0 || source >2)
 912            return -EINVAL;
 913
 914         korg1212->clkSource = source;
 915
 916         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 917
 918         return 0;
 919 }
 920
 921 static void snd_korg1212_DisableCardInterrupts(korg1212_t *korg1212)
 922 {
 923         writel(0, korg1212->statusRegPtr);
 924 }
 925
 926 static int snd_korg1212_WriteADCSensitivity(korg1212_t *korg1212)
 927 {
 928         SensBits  sensVals;
 929         int       bitPosition;
 930         int       channel;
 931         int       clkIs48K;
 932         int       monModeSet;
 933         u16       controlValue;    // this keeps the current value to be written to
 934                                    //  the card's eeprom control register.
 935         u16       count;
 936         unsigned long flags;
 937
 938 #if K1212_DEBUG_LEVEL > 0
 939         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n", stateName[korg1212->cardState]);
 940 #endif
 941
 942         // ----------------------------------------------------------------------------
 943         // initialize things.  The local init bit is always set when writing to the
 944         // card's control register.
 945         // ----------------------------------------------------------------------------
 946         controlValue = 0;
 947         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 948
 949         // ----------------------------------------------------------------------------
 950         // make sure the card is not in monitor mode when we do this update.
 951         // ----------------------------------------------------------------------------
 952         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 953                 monModeSet = 1;
 954                 snd_korg1212_SendStopAndWait(korg1212);
 955         } else
 956                 monModeSet = 0;
 957
 958         spin_lock_irqsave(&korg1212->lock, flags);
 959
 960         // ----------------------------------------------------------------------------
 961         // we are about to send new values to the card, so clear the new values queued
 962         // flag.  Also, clear out mailbox 3, so we don't lockup.
 963         // ----------------------------------------------------------------------------
 964         writel(0, korg1212->mailbox3Ptr);
 965         udelay(LOADSHIFT_DELAY);
 966
 967         // ----------------------------------------------------------------------------
 968         // determine whether we are running a 48K or 44.1K clock.  This info is used
 969         // later when setting the SPDIF FF after the volume has been shifted in.
 970         // ----------------------------------------------------------------------------
 971         switch (korg1212->clkSrcRate) {
 972                 case K1212_CLKIDX_AdatAt44_1K:
 973                 case K1212_CLKIDX_WordAt44_1K:
 974                 case K1212_CLKIDX_LocalAt44_1K:
 975                         clkIs48K = 0;
 976                         break;
 977
 978                 case K1212_CLKIDX_WordAt48K:
 979                 case K1212_CLKIDX_AdatAt48K:
 980                 case K1212_CLKIDX_LocalAt48K:
 981                 default:
 982                         clkIs48K = 1;
 983                         break;
 984         }
 985
 986         // ----------------------------------------------------------------------------
 987         // start the update.  Setup the bit structure and then shift the bits.
 988         // ----------------------------------------------------------------------------
 989         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 990         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 991         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 992         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 993
 994         // ----------------------------------------------------------------------------
 995         // now start shifting the bits in.  Start with the left channel then the right.
 996         // ----------------------------------------------------------------------------
 997         for (channel = 0; channel < 2; channel++) {
 998
 999                 // ----------------------------------------------------------------------------
1000                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
1001                 // shift low to the first rising edge of the clock.
1002                 // ----------------------------------------------------------------------------
1003                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1004                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1005                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
1006                 udelay(LOADSHIFT_DELAY);
1007
1008                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
1009                         if (channel == 0) {
1010                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition)) {
1011                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
1012                                 } else {
1013                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
1014                                 }
1015                         } else {
1016                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition)) {
1017                                 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
1018                                 } else {
1019                                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
1020                                 }
1021                         }
1022
1023                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1024                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
1025                         udelay(SENSCLKPULSE_WIDTH);
1026                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1027                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
1028                         udelay(SENSCLKPULSE_WIDTH);
1029                 }
1030
1031                 // ----------------------------------------------------------------------------
1032                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1033                 // bit if the clock rate is 48K otherwise write 0.
1034                 // ----------------------------------------------------------------------------
1035                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1036                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1037                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1038                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1039                 udelay(SENSCLKPULSE_WIDTH);
1040
1041                 if (clkIs48K)
1042                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1043
1044                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1045                 udelay(ONE_RTC_TICK);
1046                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1047                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1048                 udelay(SENSCLKPULSE_WIDTH);
1049                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1050                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1051                 udelay(SENSCLKPULSE_WIDTH);
1052         }
1053
1054         // ----------------------------------------------------------------------------
1055         // The update is complete.  Set a timeout.  This is the inter-update delay.
1056         // Also, if the card was in monitor mode, restore it.
1057         // ----------------------------------------------------------------------------
1058         for (count = 0; count < 10; count++)
1059                 udelay(SENSCLKPULSE_WIDTH);
1060
1061         if (monModeSet) {
1062                 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1063                                 K1212_MODE_MonitorOn, 0, 0, 0);
1064 #if K1212_DEBUG_LEVEL > 0
1065                 if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1066 #endif
1067
1068         }
1069
1070         spin_unlock_irqrestore(&korg1212->lock, flags);
1071
1072         return 1;
1073 }
1074
1075 static void snd_korg1212_OnDSPDownloadComplete(korg1212_t *korg1212)
1076 {
1077         int channel;
1078
1079 #if K1212_DEBUG_LEVEL > 0
1080         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n", stateName[korg1212->cardState]);
1081 #endif
1082
1083         // ----------------------------------------------------
1084         // tell the card to boot
1085         // ----------------------------------------------------
1086         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1087
1088 #if K1212_DEBUG_LEVEL > 0
1089         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1090 #endif
1091         mdelay(DSP_BOOT_DELAY_IN_MS);
1092
1093         // --------------------------------------------------------------------------------
1094         // Let the card know where all the buffers are.
1095         // --------------------------------------------------------------------------------
1096         rc = snd_korg1212_Send1212Command(korg1212,
1097                         K1212_DB_ConfigureBufferMemory,
1098                         LowerWordSwap(korg1212->PlayDataPhy),
1099                         LowerWordSwap(korg1212->RecDataPhy),
1100                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1101                                                                    // is based on 2 buffers
1102                         0
1103         );
1104
1105 #if K1212_DEBUG_LEVEL > 0
1106         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1107 #endif
1108
1109         udelay(INTERCOMMAND_DELAY);
1110
1111         rc = snd_korg1212_Send1212Command(korg1212,
1112                         K1212_DB_ConfigureMiscMemory,
1113                         LowerWordSwap(korg1212->VolumeTablePhy),
1114                         LowerWordSwap(korg1212->RoutingTablePhy),
1115                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1116                         0
1117         );
1118
1119 #if K1212_DEBUG_LEVEL > 0
1120         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1121 #endif
1122
1123
1124         // --------------------------------------------------------------------------------
1125         // Initialize the routing and volume tables, then update the card's state.
1126         // --------------------------------------------------------------------------------
1127         udelay(INTERCOMMAND_DELAY);
1128
1129         for (channel = 0; channel < kAudioChannels; channel++) {
1130                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1131                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1132                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1133         }
1134
1135         snd_korg1212_WriteADCSensitivity(korg1212);
1136
1137         udelay(INTERCOMMAND_DELAY);
1138         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1139                                           ClockSourceSelector[korg1212->clkSrcRate],
1140                                           0, 0, 0);
1141 #if K1212_DEBUG_LEVEL > 0
1142         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1143 #endif
1144
1145         snd_korg1212_TurnOnIdleMonitor(korg1212);
1146         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1147
1148 #if K1212_DEBUG_LEVEL > 0
1149         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1150 #endif
1151
1152         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1153 }
1154
1155 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1156 {
1157         u32 doorbellValue;
1158         korg1212_t *korg1212 = dev_id;
1159
1160         if(irq != korg1212->irq)
1161                 return IRQ_NONE;
1162
1163         doorbellValue = readl(korg1212->inDoorbellPtr);
1164
1165         if (!doorbellValue)
1166                 return IRQ_NONE;
1167
1168         spin_lock(&korg1212->lock);
1169
1170         writel(doorbellValue, korg1212->inDoorbellPtr);
1171
1172         korg1212->irqcount++;
1173
1174         korg1212->inIRQ++;
1175
1176
1177         switch (doorbellValue) {
1178                 case K1212_DB_DSPDownloadDone:
1179 #if K1212_DEBUG_LEVEL > 0
1180                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
1181 #endif
1182                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1183                                 korg1212->dsp_is_loaded = 1;
1184                                 wake_up(&korg1212->wait);
1185                         }
1186                         break;
1187
1188                 // ------------------------------------------------------------------------
1189                 // an error occurred - stop the card
1190                 // ------------------------------------------------------------------------
1191                 case K1212_DB_DMAERROR:
1192 #if K1212_DEBUG_LEVEL > 1
1193                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
1194 #endif
1195                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1196                         korg1212->errorcnt++;
1197                         korg1212->totalerrorcnt++;
1198                         korg1212->sharedBufferPtr->cardCommand = 0;
1199                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1200                         break;
1201
1202                 // ------------------------------------------------------------------------
1203                 // the card has stopped by our request.  Clear the command word and signal
1204                 // the semaphore in case someone is waiting for this.
1205                 // ------------------------------------------------------------------------
1206                 case K1212_DB_CARDSTOPPED:
1207 #if K1212_DEBUG_LEVEL > 1
1208                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
1209 #endif
1210                         korg1212->sharedBufferPtr->cardCommand = 0;
1211                         break;
1212
1213                 default:
1214 #if K1212_DEBUG_LEVEL > 3
1215                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n", korg1212->irqcount, doorbellValue,
1216                                 korg1212->currentBuffer, stateName[korg1212->cardState]);
1217 #endif
1218                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1219                                 korg1212->currentBuffer++;
1220
1221                                 if (korg1212->currentBuffer >= kNumBuffers)
1222                                         korg1212->currentBuffer = 0;
1223
1224                                 if (!korg1212->running)
1225                                         break;
1226
1227                                 if (korg1212->capture_substream) {
1228                                         spin_unlock(&korg1212->lock);
1229                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1230                                         spin_lock(&korg1212->lock);
1231                                 }
1232
1233                                 if (korg1212->playback_substream) {
1234                                         spin_unlock(&korg1212->lock);
1235                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1236                                         spin_lock(&korg1212->lock);
1237                                 }
1238                         }
1239                         break;
1240         }
1241
1242         korg1212->inIRQ--;
1243
1244         spin_unlock(&korg1212->lock);
1245
1246         return IRQ_HANDLED;
1247 }
1248
1249 static int snd_korg1212_downloadDSPCode(korg1212_t *korg1212)
1250 {
1251
1252 #if K1212_DEBUG_LEVEL > 0
1253         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n", stateName[korg1212->cardState]);
1254 #endif
1255
1256         // ---------------------------------------------------------------
1257         // verify the state of the card before proceeding.
1258         // ---------------------------------------------------------------
1259         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS) {
1260                 return 1;
1261         }
1262
1263         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1264
1265         memcpy(korg1212->dma_dsp.area, dspCode, korg1212->dspCodeSize);
1266
1267         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1268                                      UpperWordSwap(korg1212->dma_dsp.addr),
1269                                      0, 0, 0);
1270
1271 #if K1212_DEBUG_LEVEL > 0
1272         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
1273 #endif
1274
1275         korg1212->dsp_is_loaded = 0;
1276         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1277         if (! korg1212->dsp_is_loaded )
1278                 return -EBUSY; /* timeout */
1279
1280         snd_korg1212_OnDSPDownloadComplete(korg1212);
1281
1282         return 0;
1283 }
1284
1285 static snd_pcm_hardware_t snd_korg1212_playback_info =
1286 {
1287         .info =              (SNDRV_PCM_INFO_MMAP |
1288                               SNDRV_PCM_INFO_MMAP_VALID |
1289                               SNDRV_PCM_INFO_INTERLEAVED),
1290         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1291         .rates =              (SNDRV_PCM_RATE_44100 |
1292                               SNDRV_PCM_RATE_48000),
1293         .rate_min =           44100,
1294         .rate_max =           48000,
1295         .channels_min =       K1212_MIN_CHANNELS,
1296         .channels_max =       K1212_MAX_CHANNELS,
1297         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1298         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1299         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1300         .periods_min =        K1212_PERIODS,
1301         .periods_max =        K1212_PERIODS,
1302         .fifo_size =          0,
1303 };
1304
1305 static snd_pcm_hardware_t snd_korg1212_capture_info =
1306 {
1307         .info =              (SNDRV_PCM_INFO_MMAP |
1308                               SNDRV_PCM_INFO_MMAP_VALID |
1309                               SNDRV_PCM_INFO_INTERLEAVED),
1310         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1311         .rates =              (SNDRV_PCM_RATE_44100 |
1312                               SNDRV_PCM_RATE_48000),
1313         .rate_min =           44100,
1314         .rate_max =           48000,
1315         .channels_min =       K1212_MIN_CHANNELS,
1316         .channels_max =       K1212_MAX_CHANNELS,
1317         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1318         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1319         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1320         .periods_min =        K1212_PERIODS,
1321         .periods_max =        K1212_PERIODS,
1322         .fifo_size =          0,
1323 };
1324
1325 static int snd_korg1212_silence(korg1212_t *korg1212, int pos, int count, int offset, int size)
1326 {
1327         KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1328         int i;
1329
1330 #if K1212_DEBUG_LEVEL > 2
1331         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n", pos, offset, size, count);
1332 #endif
1333         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1334
1335         for (i=0; i < count; i++) {
1336 #if K1212_DEBUG_LEVEL > 0
1337                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1338                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1339                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n", dst, i);
1340                         return -EFAULT;
1341                 }
1342 #endif
1343                 memset((void*) dst + offset, 0, size);
1344                 dst++;
1345         }
1346
1347         return 0;
1348 }
1349
1350 static int snd_korg1212_copy_to(korg1212_t *korg1212, void __user *dst, int pos, int count, int offset, int size)
1351 {
1352         KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1353         int i, rc;
1354
1355 #if K1212_DEBUG_LEVEL > 2
1356         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n", pos, offset, size);
1357 #endif
1358         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1359
1360         for (i=0; i < count; i++) {
1361 #if K1212_DEBUG_LEVEL > 0
1362                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1363                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1364                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1365                         return -EFAULT;
1366                 }
1367 #endif
1368                 rc = copy_to_user(dst + offset, src, size);
1369                 if (rc) {
1370 #if K1212_DEBUG_LEVEL > 0
1371                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1372 #endif
1373                         return -EFAULT;
1374                 }
1375                 src++;
1376                 dst += size;
1377         }
1378
1379         return 0;
1380 }
1381
1382 static int snd_korg1212_copy_from(korg1212_t *korg1212, void __user *src, int pos, int count, int offset, int size)
1383 {
1384         KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1385         int i, rc;
1386
1387 #if K1212_DEBUG_LEVEL > 2
1388         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n", pos, offset, size, count);
1389 #endif
1390
1391         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1392
1393         for (i=0; i < count; i++) {
1394 #if K1212_DEBUG_LEVEL > 0
1395                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1396                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1397                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1398                         return -EFAULT;
1399                 }
1400 #endif
1401                 rc = copy_from_user((void*) dst + offset, src, size);
1402                 if (rc) {
1403 #if K1212_DEBUG_LEVEL > 0
1404                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1405 #endif
1406                         return -EFAULT;
1407                 }
1408                 dst++;
1409                 src += size;
1410         }
1411
1412         return 0;
1413 }
1414
1415 static void snd_korg1212_free_pcm(snd_pcm_t *pcm)
1416 {
1417         korg1212_t *korg1212 = (korg1212_t *) pcm->private_data;
1418
1419 #if K1212_DEBUG_LEVEL > 0
1420                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n", stateName[korg1212->cardState]);
1421 #endif
1422
1423         korg1212->pcm = NULL;
1424 }
1425
1426 static int snd_korg1212_playback_open(snd_pcm_substream_t *substream)
1427 {
1428         unsigned long flags;
1429         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1430         snd_pcm_runtime_t *runtime = substream->runtime;
1431
1432 #if K1212_DEBUG_LEVEL > 0
1433                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n", stateName[korg1212->cardState]);
1434 #endif
1435
1436         snd_pcm_set_sync(substream);    // ???
1437
1438         snd_korg1212_OpenCard(korg1212);
1439
1440         runtime->hw = snd_korg1212_playback_info;
1441         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1442
1443         spin_lock_irqsave(&korg1212->lock, flags);
1444
1445         korg1212->playback_substream = substream;
1446         korg1212->playback_pid = current->pid;
1447         korg1212->periodsize = K1212_PERIODS;
1448         korg1212->channels = K1212_CHANNELS;
1449         korg1212->errorcnt = 0;
1450
1451         spin_unlock_irqrestore(&korg1212->lock, flags);
1452
1453         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1454         return 0;
1455 }
1456
1457
1458 static int snd_korg1212_capture_open(snd_pcm_substream_t *substream)
1459 {
1460         unsigned long flags;
1461         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1462         snd_pcm_runtime_t *runtime = substream->runtime;
1463
1464 #if K1212_DEBUG_LEVEL > 0
1465                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n", stateName[korg1212->cardState]);
1466 #endif
1467
1468         snd_pcm_set_sync(substream);
1469
1470         snd_korg1212_OpenCard(korg1212);
1471
1472         runtime->hw = snd_korg1212_capture_info;
1473         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1474
1475         spin_lock_irqsave(&korg1212->lock, flags);
1476
1477         korg1212->capture_substream = substream;
1478         korg1212->capture_pid = current->pid;
1479         korg1212->periodsize = K1212_PERIODS;
1480         korg1212->channels = K1212_CHANNELS;
1481
1482         spin_unlock_irqrestore(&korg1212->lock, flags);
1483
1484         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1485         return 0;
1486 }
1487
1488 static int snd_korg1212_playback_close(snd_pcm_substream_t *substream)
1489 {
1490         unsigned long flags;
1491         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1492
1493 #if K1212_DEBUG_LEVEL > 0
1494                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n", stateName[korg1212->cardState]);
1495 #endif
1496
1497         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1498
1499         spin_lock_irqsave(&korg1212->lock, flags);
1500
1501         korg1212->playback_pid = -1;
1502         korg1212->playback_substream = NULL;
1503         korg1212->periodsize = 0;
1504
1505         spin_unlock_irqrestore(&korg1212->lock, flags);
1506
1507         snd_korg1212_CloseCard(korg1212);
1508         return 0;
1509 }
1510
1511 static int snd_korg1212_capture_close(snd_pcm_substream_t *substream)
1512 {
1513         unsigned long flags;
1514         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1515
1516 #if K1212_DEBUG_LEVEL > 0
1517                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n", stateName[korg1212->cardState]);
1518 #endif
1519
1520         spin_lock_irqsave(&korg1212->lock, flags);
1521
1522         korg1212->capture_pid = -1;
1523         korg1212->capture_substream = NULL;
1524         korg1212->periodsize = 0;
1525
1526         spin_unlock_irqrestore(&korg1212->lock, flags);
1527
1528         snd_korg1212_CloseCard(korg1212);
1529         return 0;
1530 }
1531
1532 static int snd_korg1212_ioctl(snd_pcm_substream_t *substream,
1533                              unsigned int cmd, void *arg)
1534 {
1535 #if K1212_DEBUG_LEVEL > 0
1536                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1537 #endif
1538
1539         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1540                 snd_pcm_channel_info_t *info = arg;
1541                 info->offset = 0;
1542                 info->first = info->channel * 16;
1543                 info->step = 256;
1544 #if K1212_DEBUG_LEVEL > 0
1545                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1546 #endif
1547                 return 0;
1548         }
1549
1550         return snd_pcm_lib_ioctl(substream, cmd, arg);
1551 }
1552
1553 static int snd_korg1212_hw_params(snd_pcm_substream_t *substream,
1554                              snd_pcm_hw_params_t *params)
1555 {
1556         unsigned long flags;
1557         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1558         int err;
1559         pid_t this_pid;
1560         pid_t other_pid;
1561
1562 #if K1212_DEBUG_LEVEL > 0
1563                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n", stateName[korg1212->cardState]);
1564 #endif
1565
1566         spin_lock_irqsave(&korg1212->lock, flags);
1567
1568         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1569                 this_pid = korg1212->playback_pid;
1570                 other_pid = korg1212->capture_pid;
1571         } else {
1572                 this_pid = korg1212->capture_pid;
1573                 other_pid = korg1212->playback_pid;
1574         }
1575
1576         if ((other_pid > 0) && (this_pid != other_pid)) {
1577
1578                 /* The other stream is open, and not by the same
1579                    task as this one. Make sure that the parameters
1580                    that matter are the same.
1581                  */
1582
1583                 if ((int)params_rate(params) != korg1212->clkRate) {
1584                         spin_unlock_irqrestore(&korg1212->lock, flags);
1585                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1586                         return -EBUSY;
1587                 }
1588
1589                 spin_unlock_irqrestore(&korg1212->lock, flags);
1590                 return 0;
1591         }
1592
1593         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1594                 spin_unlock_irqrestore(&korg1212->lock, flags);
1595                 return err;
1596         }
1597
1598         korg1212->channels = params_channels(params);
1599         korg1212->periodsize = K1212_PERIOD_BYTES;
1600
1601         spin_unlock_irqrestore(&korg1212->lock, flags);
1602
1603         return 0;
1604 }
1605
1606 static int snd_korg1212_prepare(snd_pcm_substream_t *substream)
1607 {
1608         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1609         int rc;
1610
1611 #if K1212_DEBUG_LEVEL > 0
1612                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n", stateName[korg1212->cardState]);
1613 #endif
1614
1615         spin_lock_irq(&korg1212->lock);
1616
1617         /* FIXME: we should wait for ack! */
1618         if (korg1212->stop_pending_cnt > 0) {
1619 #if K1212_DEBUG_LEVEL > 0
1620                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n", stateName[korg1212->cardState]);
1621 #endif
1622                 spin_unlock_irq(&korg1212->lock);
1623                 return -EAGAIN;
1624                 /*
1625                 korg1212->sharedBufferPtr->cardCommand = 0;
1626                 del_timer(&korg1212->timer);
1627                 korg1212->stop_pending_cnt = 0;
1628                 */
1629         }
1630
1631         rc = snd_korg1212_SetupForPlay(korg1212);
1632
1633         korg1212->currentBuffer = 0;
1634
1635         spin_unlock_irq(&korg1212->lock);
1636
1637         return rc ? -EINVAL : 0;
1638 }
1639
1640 static int snd_korg1212_trigger(snd_pcm_substream_t *substream,
1641                            int cmd)
1642 {
1643         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1644         int rc;
1645
1646 #if K1212_DEBUG_LEVEL > 0
1647                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n", stateName[korg1212->cardState], cmd);
1648 #endif
1649
1650         spin_lock(&korg1212->lock);
1651         switch (cmd) {
1652                 case SNDRV_PCM_TRIGGER_START:
1653 /*
1654                         if (korg1212->running) {
1655 #if K1212_DEBUG_LEVEL > 1
1656                                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1657 #endif
1658                                 break;
1659                         }
1660 */
1661                         korg1212->running++;
1662                         rc = snd_korg1212_TriggerPlay(korg1212);
1663                         break;
1664
1665                 case SNDRV_PCM_TRIGGER_STOP:
1666 /*
1667                         if (!korg1212->running) {
1668 #if K1212_DEBUG_LEVEL > 1
1669                                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1670 #endif
1671                                 break;
1672                         }
1673 */
1674                         korg1212->running--;
1675                         rc = snd_korg1212_StopPlay(korg1212);
1676                         break;
1677
1678                 default:
1679                         rc = 1;
1680                         break;
1681         }
1682         spin_unlock(&korg1212->lock);
1683         return rc ? -EINVAL : 0;
1684 }
1685
1686 static snd_pcm_uframes_t snd_korg1212_playback_pointer(snd_pcm_substream_t *substream)
1687 {
1688         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1689         snd_pcm_uframes_t pos;
1690
1691         pos = korg1212->currentBuffer * kPlayBufferFrames;
1692
1693 #if K1212_DEBUG_LEVEL > 2
1694         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1695                         stateName[korg1212->cardState], pos);
1696 #endif
1697
1698         return pos;
1699 }
1700
1701 static snd_pcm_uframes_t snd_korg1212_capture_pointer(snd_pcm_substream_t *substream)
1702 {
1703         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1704         snd_pcm_uframes_t pos;
1705
1706         pos = korg1212->currentBuffer * kPlayBufferFrames;
1707
1708 #if K1212_DEBUG_LEVEL > 2
1709         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1710                         stateName[korg1212->cardState], pos);
1711 #endif
1712
1713         return pos;
1714 }
1715
1716 static int snd_korg1212_playback_copy(snd_pcm_substream_t *substream,
1717                         int channel, /* not used (interleaved data) */
1718                         snd_pcm_uframes_t pos,
1719                         void __user *src,
1720                         snd_pcm_uframes_t count)
1721 {
1722         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1723
1724 #if K1212_DEBUG_LEVEL > 2
1725                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n", stateName[korg1212->cardState], pos, count);
1726 #endif
1727
1728         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1729
1730 }
1731
1732 static int snd_korg1212_playback_silence(snd_pcm_substream_t *substream,
1733                            int channel, /* not used (interleaved data) */
1734                            snd_pcm_uframes_t pos,
1735                            snd_pcm_uframes_t count)
1736 {
1737         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1738
1739 #if K1212_DEBUG_LEVEL > 0
1740                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n", stateName[korg1212->cardState]);
1741 #endif
1742
1743         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1744 }
1745
1746 static int snd_korg1212_capture_copy(snd_pcm_substream_t *substream,
1747                         int channel, /* not used (interleaved data) */
1748                         snd_pcm_uframes_t pos,
1749                         void __user *dst,
1750                         snd_pcm_uframes_t count)
1751 {
1752         korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
1753
1754 #if K1212_DEBUG_LEVEL > 2
1755                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n", stateName[korg1212->cardState], pos, count);
1756 #endif
1757
1758         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1759 }
1760
1761 static snd_pcm_ops_t snd_korg1212_playback_ops = {
1762         .open =         snd_korg1212_playback_open,
1763         .close =        snd_korg1212_playback_close,
1764         .ioctl =        snd_korg1212_ioctl,
1765         .hw_params =    snd_korg1212_hw_params,
1766         .prepare =      snd_korg1212_prepare,
1767         .trigger =      snd_korg1212_trigger,
1768         .pointer =      snd_korg1212_playback_pointer,
1769         .copy =         snd_korg1212_playback_copy,
1770         .silence =      snd_korg1212_playback_silence,
1771 };
1772
1773 static snd_pcm_ops_t snd_korg1212_capture_ops = {
1774         .open =         snd_korg1212_capture_open,
1775         .close =        snd_korg1212_capture_close,
1776         .ioctl =        snd_korg1212_ioctl,
1777         .hw_params =    snd_korg1212_hw_params,
1778         .prepare =      snd_korg1212_prepare,
1779         .trigger =      snd_korg1212_trigger,
1780         .pointer =      snd_korg1212_capture_pointer,
1781         .copy =         snd_korg1212_capture_copy,
1782 };
1783
1784 /*
1785  * Control Interface
1786  */
1787
1788 static int snd_korg1212_control_phase_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1789 {
1790         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1791         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1792         return 0;
1793 }
1794
1795 static int snd_korg1212_control_phase_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1796 {
1797         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1798         int i = kcontrol->private_value;
1799
1800         spin_lock_irq(&korg1212->lock);
1801
1802         u->value.integer.value[0] = korg1212->volumePhase[i];
1803
1804         if (i >= 8)
1805                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1806
1807         spin_unlock_irq(&korg1212->lock);
1808
1809         return 0;
1810 }
1811
1812 static int snd_korg1212_control_phase_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1813 {
1814         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1815         int change = 0;
1816         int i, val;
1817
1818         spin_lock_irq(&korg1212->lock);
1819
1820         i = kcontrol->private_value;
1821
1822         korg1212->volumePhase[i] = u->value.integer.value[0];
1823
1824         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1825
1826         if ((u->value.integer.value[0] > 0) != (val < 0)) {
1827                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1828                 korg1212->sharedBufferPtr->volumeData[i] = val;
1829                 change = 1;
1830         }
1831
1832         if (i >= 8) {
1833                 korg1212->volumePhase[i+1] = u->value.integer.value[1];
1834
1835                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1836
1837                 if ((u->value.integer.value[1] > 0) != (val < 0)) {
1838                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1839                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1840                         change = 1;
1841                 }
1842         }
1843
1844         spin_unlock_irq(&korg1212->lock);
1845
1846         return change;
1847 }
1848
1849 static int snd_korg1212_control_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1850 {
1851         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1852         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1853         uinfo->value.integer.min = k1212MinVolume;
1854         uinfo->value.integer.max = k1212MaxVolume;
1855         return 0;
1856 }
1857
1858 static int snd_korg1212_control_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1859 {
1860         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1861         int i;
1862
1863         spin_lock_irq(&korg1212->lock);
1864
1865         i = kcontrol->private_value;
1866         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1867
1868         if (i >= 8)
1869                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1870
1871         spin_unlock_irq(&korg1212->lock);
1872
1873         return 0;
1874 }
1875
1876 static int snd_korg1212_control_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1877 {
1878         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1879         int change = 0;
1880         int i;
1881         int val;
1882
1883         spin_lock_irq(&korg1212->lock);
1884
1885         i = kcontrol->private_value;
1886
1887         if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
1888                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1889                 val *= u->value.integer.value[0];
1890                 korg1212->sharedBufferPtr->volumeData[i] = val;
1891                 change = 1;
1892         }
1893
1894         if (i >= 8) {
1895                 if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1896                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1897                         val *= u->value.integer.value[1];
1898                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1899                         change = 1;
1900                 }
1901         }
1902
1903         spin_unlock_irq(&korg1212->lock);
1904
1905         return change;
1906 }
1907
1908 static int snd_korg1212_control_route_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1909 {
1910         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1911         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1912         uinfo->value.enumerated.items = kAudioChannels;
1913         if (uinfo->value.enumerated.item > kAudioChannels-1) {
1914                 uinfo->value.enumerated.item = kAudioChannels-1;
1915         }
1916         strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1917         return 0;
1918 }
1919
1920 static int snd_korg1212_control_route_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1921 {
1922         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1923         int i;
1924
1925         spin_lock_irq(&korg1212->lock);
1926
1927         i = kcontrol->private_value;
1928         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1929
1930         if (i >= 8)
1931                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1932
1933         spin_unlock_irq(&korg1212->lock);
1934
1935         return 0;
1936 }
1937
1938 static int snd_korg1212_control_route_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1939 {
1940         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1941         int change = 0, i;
1942
1943         spin_lock_irq(&korg1212->lock);
1944
1945         i = kcontrol->private_value;
1946
1947         if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1948                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1949                 change = 1;
1950         }
1951
1952         if (i >= 8) {
1953                 if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1954                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1955                         change = 1;
1956                 }
1957         }
1958
1959         spin_unlock_irq(&korg1212->lock);
1960
1961         return change;
1962 }
1963
1964 static int snd_korg1212_control_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
1965 {
1966         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1967         uinfo->count = 2;
1968         uinfo->value.integer.min = k1212MaxADCSens;
1969         uinfo->value.integer.max = k1212MinADCSens;
1970         return 0;
1971 }
1972
1973 static int snd_korg1212_control_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1974 {
1975         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1976
1977         spin_lock_irq(&korg1212->lock);
1978
1979         u->value.integer.value[0] = korg1212->leftADCInSens;
1980         u->value.integer.value[1] = korg1212->rightADCInSens;
1981
1982         spin_unlock_irq(&korg1212->lock);
1983
1984         return 0;
1985 }
1986
1987 static int snd_korg1212_control_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *u)
1988 {
1989         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
1990         int change = 0;
1991
1992         spin_lock_irq(&korg1212->lock);
1993
1994         if (u->value.integer.value[0] != korg1212->leftADCInSens) {
1995                 korg1212->leftADCInSens = u->value.integer.value[0];
1996                 change = 1;
1997         }
1998         if (u->value.integer.value[1] != korg1212->rightADCInSens) {
1999                 korg1212->rightADCInSens = u->value.integer.value[1];
2000                 change = 1;
2001         }
2002
2003         spin_unlock_irq(&korg1212->lock);
2004
2005         if (change)
2006                 snd_korg1212_WriteADCSensitivity(korg1212);
2007
2008         return change;
2009 }
2010
2011 static int snd_korg1212_control_sync_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
2012 {
2013         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
2014         uinfo->count = 1;
2015         uinfo->value.enumerated.items = 3;
2016         if (uinfo->value.enumerated.item > 2) {
2017                 uinfo->value.enumerated.item = 2;
2018         }
2019         strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
2020         return 0;
2021 }
2022
2023 static int snd_korg1212_control_sync_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2024 {
2025         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
2026
2027         spin_lock_irq(&korg1212->lock);
2028
2029         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
2030
2031         spin_unlock_irq(&korg1212->lock);
2032         return 0;
2033 }
2034
2035 static int snd_korg1212_control_sync_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
2036 {
2037         korg1212_t *korg1212 = snd_kcontrol_chip(kcontrol);
2038         unsigned int val;
2039         int change;
2040
2041         val = ucontrol->value.enumerated.item[0] % 3;
2042         spin_lock_irq(&korg1212->lock);
2043         change = val != korg1212->clkSource;
2044         snd_korg1212_SetClockSource(korg1212, val);
2045         spin_unlock_irq(&korg1212->lock);
2046         return change;
2047 }
2048
2049 #define MON_MIXER(ord,c_name)                                                                   \
2050         {                                                                                       \
2051                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2052                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2053                 .name =         c_name " Monitor Volume",                                       \
2054                 .info =         snd_korg1212_control_volume_info,                               \
2055                 .get =          snd_korg1212_control_volume_get,                                \
2056                 .put =          snd_korg1212_control_volume_put,                                \
2057                 .private_value = ord,                                                           \
2058         },                                                                                      \
2059         {                                                                                       \
2060                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2061                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2062                 .name =         c_name " Monitor Route",                                        \
2063                 .info =         snd_korg1212_control_route_info,                                \
2064                 .get =          snd_korg1212_control_route_get,                                 \
2065                 .put =          snd_korg1212_control_route_put,                                 \
2066                 .private_value = ord,                                                           \
2067         },                                                                                      \
2068         {                                                                                       \
2069                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2070                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2071                 .name =         c_name " Monitor Phase Invert",                                 \
2072                 .info =         snd_korg1212_control_phase_info,                                \
2073                 .get =          snd_korg1212_control_phase_get,                                 \
2074                 .put =          snd_korg1212_control_phase_put,                                 \
2075                 .private_value = ord,                                                           \
2076         }
2077
2078 static snd_kcontrol_new_t snd_korg1212_controls[] = {
2079         MON_MIXER(8, "Analog"),
2080         MON_MIXER(10, "SPDIF"),
2081         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2082         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2083         {
2084                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2085                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2086                 .name =         "Sync Source",
2087                 .info =         snd_korg1212_control_sync_info,
2088                 .get =          snd_korg1212_control_sync_get,
2089                 .put =          snd_korg1212_control_sync_put,
2090         },
2091         {
2092                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2093                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2094                 .name =         "ADC Attenuation",
2095                 .info =         snd_korg1212_control_info,
2096                 .get =          snd_korg1212_control_get,
2097                 .put =          snd_korg1212_control_put,
2098         }
2099 };
2100
2101 /*
2102  * proc interface
2103  */
2104
2105 static void snd_korg1212_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
2106 {
2107         int n;
2108         korg1212_t *korg1212 = (korg1212_t *)entry->private_data;
2109
2110         snd_iprintf(buffer, korg1212->card->longname);
2111         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2112         snd_iprintf(buffer, "\nGeneral settings\n");
2113         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2114         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2115         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2116         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2117         snd_iprintf(buffer, "    Volume Info:\n");
2118         for (n=0; n<kAudioChannels; n++)
2119                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2120                                     channelName[n],
2121                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2122                                     korg1212->sharedBufferPtr->volumeData[n]);
2123         snd_iprintf(buffer, "\nGeneral status\n");
2124         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2125         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2126         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2127         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2128         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2129         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2130 }
2131
2132 static void __devinit snd_korg1212_proc_init(korg1212_t *korg1212)
2133 {
2134         snd_info_entry_t *entry;
2135
2136         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2137                 snd_info_set_text_ops(entry, korg1212, 1024, snd_korg1212_proc_read);
2138 }
2139
2140 static int
2141 snd_korg1212_free(korg1212_t *korg1212)
2142 {
2143         snd_korg1212_TurnOffIdleMonitor(korg1212);
2144
2145         if (korg1212->irq >= 0) {
2146                 synchronize_irq(korg1212->irq);
2147                 snd_korg1212_DisableCardInterrupts(korg1212);
2148                 free_irq(korg1212->irq, (void *)korg1212);
2149                 korg1212->irq = -1;
2150         }
2151
2152         if (korg1212->iobase != NULL) {
2153                 iounmap(korg1212->iobase);
2154                 korg1212->iobase = NULL;
2155         }
2156
2157         pci_release_regions(korg1212->pci);
2158
2159         // ----------------------------------------------------
2160         // free up memory resources used for the DSP download.
2161         // ----------------------------------------------------
2162         if (korg1212->dma_dsp.area) {
2163                 snd_dma_free_pages(&korg1212->dma_dsp);
2164                 korg1212->dma_dsp.area = NULL;
2165         }
2166
2167 #ifndef K1212_LARGEALLOC
2168
2169         // ------------------------------------------------------
2170         // free up memory resources used for the Play/Rec Buffers
2171         // ------------------------------------------------------
2172         if (korg1212->dma_play.area) {
2173                 snd_dma_free_pages(&korg1212->dma_play);
2174                 korg1212->dma_play.area = NULL;
2175         }
2176
2177         if (korg1212->dma_rec.area) {
2178                 snd_dma_free_pages(&korg1212->dma_rec);
2179                 korg1212->dma_rec.area = NULL;
2180         }
2181
2182 #endif
2183
2184         // ----------------------------------------------------
2185         // free up memory resources used for the Shared Buffers
2186         // ----------------------------------------------------
2187         if (korg1212->dma_shared.area) {
2188                 snd_dma_free_pages(&korg1212->dma_shared);
2189                 korg1212->dma_shared.area = NULL;
2190         }
2191
2192         pci_disable_device(korg1212->pci);
2193         kfree(korg1212);
2194         return 0;
2195 }
2196
2197 static int snd_korg1212_dev_free(snd_device_t *device)
2198 {
2199         korg1212_t *korg1212 = device->device_data;
2200 #if K1212_DEBUG_LEVEL > 0
2201         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2202 #endif
2203         return snd_korg1212_free(korg1212);
2204 }
2205
2206 static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
2207                                          korg1212_t ** rchip)
2208
2209 {
2210         int err;
2211         unsigned int i;
2212         unsigned ioport_size, iomem_size, iomem2_size;
2213         korg1212_t * korg1212;
2214
2215         static snd_device_ops_t ops = {
2216                 .dev_free = snd_korg1212_dev_free,
2217         };
2218
2219         * rchip = NULL;
2220         if ((err = pci_enable_device(pci)) < 0)
2221                 return err;
2222
2223         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2224         if (korg1212 == NULL) {
2225                 pci_disable_device(pci);
2226                 return -ENOMEM;
2227         }
2228
2229         korg1212->card = card;
2230         korg1212->pci = pci;
2231
2232         init_waitqueue_head(&korg1212->wait);
2233         spin_lock_init(&korg1212->lock);
2234         init_MUTEX(&korg1212->open_mutex);
2235         init_timer(&korg1212->timer);
2236         korg1212->timer.function = snd_korg1212_timer_func;
2237         korg1212->timer.data = (unsigned long)korg1212;
2238
2239         korg1212->irq = -1;
2240         korg1212->clkSource = K1212_CLKIDX_Local;
2241         korg1212->clkRate = 44100;
2242         korg1212->inIRQ = 0;
2243         korg1212->running = 0;
2244         korg1212->opencnt = 0;
2245         korg1212->playcnt = 0;
2246         korg1212->setcnt = 0;
2247         korg1212->totalerrorcnt = 0;
2248         korg1212->playback_pid = -1;
2249         korg1212->capture_pid = -1;
2250         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2251         korg1212->idleMonitorOn = 0;
2252         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2253         korg1212->leftADCInSens = k1212MaxADCSens;
2254         korg1212->rightADCInSens = k1212MaxADCSens;
2255
2256         for (i=0; i<kAudioChannels; i++)
2257                 korg1212->volumePhase[i] = 0;
2258
2259         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2260                 kfree(korg1212);
2261                 pci_disable_device(pci);
2262                 return err;
2263         }
2264
2265         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2266         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2267         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2268
2269         iomem_size = pci_resource_len(korg1212->pci, 0);
2270         ioport_size = pci_resource_len(korg1212->pci, 1);
2271         iomem2_size = pci_resource_len(korg1212->pci, 2);
2272
2273 #if K1212_DEBUG_LEVEL > 0
2274         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2275                    "    iomem = 0x%lx (%d)\n"
2276                    "    ioport  = 0x%lx (%d)\n"
2277                    "    iomem = 0x%lx (%d)\n"
2278                    "    [%s]\n",
2279                    korg1212->iomem, iomem_size,
2280                    korg1212->ioport, ioport_size,
2281                    korg1212->iomem2, iomem2_size,
2282                    stateName[korg1212->cardState]);
2283 #endif
2284
2285         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2286                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2287                            korg1212->iomem + iomem_size - 1);
2288                 snd_korg1212_free(korg1212);
2289                 return -EBUSY;
2290         }
2291
2292         err = request_irq(pci->irq, snd_korg1212_interrupt,
2293                           SA_INTERRUPT|SA_SHIRQ,
2294                           "korg1212", (void *) korg1212);
2295
2296         if (err) {
2297                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2298                 snd_korg1212_free(korg1212);
2299                 return -EBUSY;
2300         }
2301
2302         korg1212->irq = pci->irq;
2303
2304         pci_set_master(korg1212->pci);
2305
2306         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2307         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2308         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2309         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2310         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2311         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2312         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2313         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2314         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2315         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2316
2317 #if K1212_DEBUG_LEVEL > 0
2318         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2319                    "    Status register = 0x%p\n"
2320                    "    OutDoorbell     = 0x%p\n"
2321                    "    InDoorbell      = 0x%p\n"
2322                    "    Mailbox0        = 0x%p\n"
2323                    "    Mailbox1        = 0x%p\n"
2324                    "    Mailbox2        = 0x%p\n"
2325                    "    Mailbox3        = 0x%p\n"
2326                    "    ControlReg      = 0x%p\n"
2327                    "    SensReg         = 0x%p\n"
2328                    "    IDReg           = 0x%p\n"
2329                    "    [%s]\n",
2330                    korg1212->statusRegPtr,
2331                    korg1212->outDoorbellPtr,
2332                    korg1212->inDoorbellPtr,
2333                    korg1212->mailbox0Ptr,
2334                    korg1212->mailbox1Ptr,
2335                    korg1212->mailbox2Ptr,
2336                    korg1212->mailbox3Ptr,
2337                    korg1212->controlRegPtr,
2338                    korg1212->sensRegPtr,
2339                    korg1212->idRegPtr,
2340                    stateName[korg1212->cardState]);
2341 #endif
2342
2343         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2344                                 sizeof(KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2345                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(KorgSharedBuffer));
2346                 snd_korg1212_free(korg1212);
2347                 return -ENOMEM;
2348         }
2349         korg1212->sharedBufferPtr = (KorgSharedBuffer *)korg1212->dma_shared.area;
2350         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2351
2352 #if K1212_DEBUG_LEVEL > 0
2353         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(KorgSharedBuffer));
2354 #endif
2355
2356 #ifndef K1212_LARGEALLOC
2357
2358         korg1212->DataBufsSize = sizeof(KorgAudioBuffer) * kNumBuffers;
2359
2360         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2361                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2362                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2363                 snd_korg1212_free(korg1212);
2364                 return -ENOMEM;
2365         }
2366         korg1212->playDataBufsPtr = (KorgAudioBuffer *)korg1212->dma_play.area;
2367         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2368
2369 #if K1212_DEBUG_LEVEL > 0
2370         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2371                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2372 #endif
2373
2374         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2375                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2376                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2377                 snd_korg1212_free(korg1212);
2378                 return -ENOMEM;
2379         }
2380         korg1212->recordDataBufsPtr = (KorgAudioBuffer *)korg1212->dma_rec.area;
2381         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2382
2383 #if K1212_DEBUG_LEVEL > 0
2384         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2385                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2386 #endif
2387
2388 #else // K1212_LARGEALLOC
2389
2390         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2391         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2392         korg1212->PlayDataPhy = (u32) &((KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2393         korg1212->RecDataPhy  = (u32) &((KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2394
2395 #endif // K1212_LARGEALLOC
2396
2397         korg1212->dspCodeSize = sizeof (dspCode);
2398
2399         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2400                 offsetof(KorgSharedBuffer, volumeData);
2401         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2402                 offsetof(KorgSharedBuffer, routeData);
2403         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2404                 offsetof(KorgSharedBuffer, AdatTimeCode);
2405
2406         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2407                                 korg1212->dspCodeSize, &korg1212->dma_dsp) < 0) {
2408                 snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
2409                 snd_korg1212_free(korg1212);
2410                 return -ENOMEM;
2411         }
2412
2413 #if K1212_DEBUG_LEVEL > 0
2414         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2415                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, korg1212->dspCodeSize,
2416                    stateName[korg1212->cardState]);
2417 #endif
2418
2419         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2420
2421 #if K1212_DEBUG_LEVEL > 0
2422         if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2423 #endif
2424
2425         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2426                 snd_korg1212_free(korg1212);
2427                 return err;
2428         }
2429
2430         snd_korg1212_EnableCardInterrupts(korg1212);
2431
2432         mdelay(CARD_BOOT_DELAY_IN_MS);
2433
2434         if (snd_korg1212_downloadDSPCode(korg1212))
2435                 return -EBUSY;
2436
2437         snd_printk(KERN_ERR
2438                "korg1212: dspMemPhy = %08x U[%08x], "
2439                "PlayDataPhy = %08x L[%08x]\n"
2440                "korg1212: RecDataPhy = %08x L[%08x], "
2441                "VolumeTablePhy = %08x L[%08x]\n"
2442                "korg1212: RoutingTablePhy = %08x L[%08x], "
2443                "AdatTimeCodePhy = %08x L[%08x]\n",
2444                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2445                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2446                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2447                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2448                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2449                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2450
2451         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2452                 return err;
2453
2454         korg1212->pcm->private_data = korg1212;
2455         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2456         strcpy(korg1212->pcm->name, "korg1212");
2457
2458         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2459
2460         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2461
2462         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2463
2464         //snd_pcm_lib_preallocate_pages_for_all(korg1212->pcm,
2465         //                      K1212_MAX_BUF_SIZE, K1212_MAX_BUF_SIZE, GFP_KERNEL);
2466
2467         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2468                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2469                 if (err < 0)
2470                         return err;
2471         }
2472
2473         snd_korg1212_proc_init(korg1212);
2474
2475         snd_card_set_dev(card, &pci->dev);
2476
2477         * rchip = korg1212;
2478         return 0;
2479
2480 }
2481
2482 /*
2483  * Card initialisation
2484  */
2485
2486 static int __devinit
2487 snd_korg1212_probe(struct pci_dev *pci,
2488                 const struct pci_device_id *pci_id)
2489 {
2490         static int dev;
2491         korg1212_t *korg1212;
2492         snd_card_t *card;
2493         int err;
2494
2495         if (dev >= SNDRV_CARDS) {
2496                 return -ENODEV;
2497         }
2498         if (!enable[dev]) {
2499                 dev++;
2500                 return -ENOENT;
2501         }
2502         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2503         if (card == NULL)
2504                 return -ENOMEM;
2505
2506         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2507                 snd_card_free(card);
2508                 return err;
2509         }
2510
2511         strcpy(card->driver, "korg1212");
2512         strcpy(card->shortname, "korg1212");
2513         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2514                 korg1212->iomem, korg1212->irq);
2515
2516 #if K1212_DEBUG_LEVEL > 0
2517         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2518 #endif
2519
2520         if ((err = snd_card_register(card)) < 0) {
2521                 snd_card_free(card);
2522                 return err;
2523         }
2524         pci_set_drvdata(pci, card);
2525         dev++;
2526         return 0;
2527 }
2528
2529 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2530 {
2531         snd_card_free(pci_get_drvdata(pci));
2532         pci_set_drvdata(pci, NULL);
2533 }
2534
2535 static struct pci_driver driver = {
2536         .name = "korg1212",
2537         .id_table = snd_korg1212_ids,
2538         .probe = snd_korg1212_probe,
2539         .remove = __devexit_p(snd_korg1212_remove),
2540 };
2541
2542 static int __init alsa_card_korg1212_init(void)
2543 {
2544         return pci_register_driver(&driver);
2545 }
2546
2547 static void __exit alsa_card_korg1212_exit(void)
2548 {
2549         pci_unregister_driver(&driver);
2550 }
2551
2552 module_init(alsa_card_korg1212_init)
2553 module_exit(alsa_card_korg1212_exit)