sound/pci/korg1212/korg1212.c

   1 /*
   2  *   Driver for the Korg 1212 IO PCI card
   3  *
   4  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <linux/delay.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/pci.h>
  26 #include <linux/slab.h>
  27 #include <linux/wait.h>
  28 #include <linux/moduleparam.h>
  29 #include <linux/mutex.h>
  30 #include <linux/firmware.h>
  31
  32 #include <sound/core.h>
  33 #include <sound/info.h>
  34 #include <sound/control.h>
  35 #include <sound/pcm.h>
  36 #include <sound/pcm_params.h>
  37 #include <sound/initval.h>
  38
  39 #include <asm/io.h>
  40
  41 // ----------------------------------------------------------------------------
  42 // Debug Stuff
  43 // ----------------------------------------------------------------------------
  44 #define K1212_DEBUG_LEVEL               0
  45 #if K1212_DEBUG_LEVEL > 0
  46 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
  47 #else
  48 #define K1212_DEBUG_PRINTK(fmt,...)
  49 #endif
  50 #if K1212_DEBUG_LEVEL > 1
  51 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
  52 #else
  53 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
  54 #endif
  55
  56 // ----------------------------------------------------------------------------
  57 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
  58 // buffers are alocated as a large piece inside KorgSharedBuffer.
  59 // ----------------------------------------------------------------------------
  60 //#define K1212_LARGEALLOC              1
  61
  62 // ----------------------------------------------------------------------------
  63 // Valid states of the Korg 1212 I/O card.
  64 // ----------------------------------------------------------------------------
  65 enum CardState {
  66    K1212_STATE_NONEXISTENT,             // there is no card here
  67    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
  68    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
  69    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
  70    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
  71                                         //    requests prior to this state should fail.  Only an open
  72                                         //    request can be made at this state.
  73    K1212_STATE_OPEN,                    // an application has opened the card
  74    K1212_STATE_SETUP,                   // the card has been setup for play
  75    K1212_STATE_PLAYING,                 // the card is playing
  76    K1212_STATE_MONITOR,                 // the card is in the monitor mode
  77    K1212_STATE_CALIBRATING,             // the card is currently calibrating
  78    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
  79                                         //    are in the process of cleaning things up.
  80    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
  81 };
  82
  83 // ----------------------------------------------------------------------------
  84 // The following enumeration defines the constants written to the card's
  85 // host-to-card doorbell to initiate a command.
  86 // ----------------------------------------------------------------------------
  87 enum korg1212_dbcnst {
  88    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
  89    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
  90    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
  91    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
  92    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
  93    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
  94    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
  95    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
  96                                           //    timecode value.
  97    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
  98    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
  99    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
 100    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 101                                           //    on page 4 (local page to card).
 102    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 103                                           //    completed.
 104    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 105 };
 106
 107
 108 // ----------------------------------------------------------------------------
 109 // The following enumeration defines return codes
 110 // to the Korg 1212 I/O driver.
 111 // ----------------------------------------------------------------------------
 112 enum snd_korg1212rc {
 113    K1212_CMDRET_Success         = 0,   // command was successfully placed
 114    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
 115    K1212_CMDRET_PMFailure,             // the protected mode call failed
 116    K1212_CMDRET_FailUnspecified,       // unspecified failure
 117    K1212_CMDRET_FailBadState,          // the specified command can not be given in
 118                                        //    the card's current state. (or the wave device's
 119                                        //    state)
 120    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
 121    K1212_CMDRET_BadIndex,              // an out of range card index was specified
 122    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
 123    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
 124    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
 125    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
 126    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
 127
 128    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
 129    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
 130 };
 131
 132 // ----------------------------------------------------------------------------
 133 // The following enumeration defines the constants used to select the play
 134 // mode for the card in the SelectPlayMode command.
 135 // ----------------------------------------------------------------------------
 136 enum PlayModeSelector {
 137    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
 138    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
 139    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
 140    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
 141 };
 142
 143 // ----------------------------------------------------------------------------
 144 // The following enumeration defines the constants used to select the monitor
 145 // mode for the card in the SetMonitorMode command.
 146 // ----------------------------------------------------------------------------
 147 enum MonitorModeSelector {
 148    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
 149    K1212_MONMODE_On            // tells card to turn on monitor mode
 150 };
 151
 152 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
 153 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
 154 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
 155 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
 156 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
 157 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
 158 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
 159 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
 160                                         //    register
 161 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
 162                                         //    this is the upper word of the PCI control reg.
 163 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
 164
 165 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
 166                                        //    to send a command before giving up.
 167 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
 168                                         //    the card.
 169 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
 170
 171 #define CARD_BOOT_DELAY_IN_MS  10
 172 #define CARD_BOOT_TIMEOUT      10
 173 #define DSP_BOOT_DELAY_IN_MS   200
 174
 175 #define kNumBuffers             8
 176 #define k1212MaxCards           4
 177 #define k1212NumWaveDevices     6
 178 #define k16BitChannels          10
 179 #define k32BitChannels          2
 180 #define kAudioChannels          (k16BitChannels + k32BitChannels)
 181 #define kPlayBufferFrames       1024
 182
 183 #define K1212_ANALOG_CHANNELS   2
 184 #define K1212_SPDIF_CHANNELS    2
 185 #define K1212_ADAT_CHANNELS     8
 186 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
 187 #define K1212_MIN_CHANNELS      1
 188 #define K1212_MAX_CHANNELS      K1212_CHANNELS
 189 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
 190 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
 191 #define K1212_PERIODS           (kNumBuffers)
 192 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
 193 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
 194 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 195 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
 196 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
 197 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
 198
 199 #define k1212MinADCSens     0x7f
 200 #define k1212MaxADCSens     0x00
 201 #define k1212MaxVolume      0x7fff
 202 #define k1212MaxWaveVolume  0xffff
 203 #define k1212MinVolume      0x0000
 204 #define k1212MaxVolInverted 0x8000
 205
 206 // -----------------------------------------------------------------
 207 // the following bits are used for controlling interrupts in the
 208 // interrupt control/status reg
 209 // -----------------------------------------------------------------
 210 #define  PCI_INT_ENABLE_BIT               0x00000100
 211 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
 212 #define  LOCAL_INT_ENABLE_BIT             0x00010000
 213 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
 214 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
 215
 216 // -----------------------------------------------------------------
 217 // the following bits are defined for the PCI command register
 218 // -----------------------------------------------------------------
 219 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
 220 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
 221 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
 222
 223 // -----------------------------------------------------------------
 224 // the following bits are defined for the PCI status register
 225 // -----------------------------------------------------------------
 226 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
 227 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
 228 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
 229 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
 230 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
 231
 232 // ------------------------------------------------------------------------
 233 // the following constants are used in setting the 1212 I/O card's input
 234 // sensitivity.
 235 // ------------------------------------------------------------------------
 236 #define  SET_SENS_LOCALINIT_BITPOS        15
 237 #define  SET_SENS_DATA_BITPOS             10
 238 #define  SET_SENS_CLOCK_BITPOS            8
 239 #define  SET_SENS_LOADSHIFT_BITPOS        0
 240
 241 #define  SET_SENS_LEFTCHANID              0x00
 242 #define  SET_SENS_RIGHTCHANID             0x01
 243
 244 #define  K1212SENSUPDATE_DELAY_IN_MS      50
 245
 246 // --------------------------------------------------------------------------
 247 // WaitRTCTicks
 248 //
 249 //    This function waits the specified number of real time clock ticks.
 250 //    According to the DDK, each tick is ~0.8 microseconds.
 251 //    The defines following the function declaration can be used for the
 252 //    numTicksToWait parameter.
 253 // --------------------------------------------------------------------------
 254 #define ONE_RTC_TICK         1
 255 #define SENSCLKPULSE_WIDTH   4
 256 #define LOADSHIFT_DELAY      4
 257 #define INTERCOMMAND_DELAY  40
 258 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
 259                                        //    the command register.  (could be up to 180 us)
 260 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
 261                                        //    from the card after sending a command.
 262
 263 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
 264 #include "korg1212-firmware.h"
 265 static const struct firmware static_dsp_code = {
 266         .data = (u8 *)dspCode,
 267         .size = sizeof dspCode
 268 };
 269 #endif
 270
 271 enum ClockSourceIndex {
 272    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
 273    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
 274    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
 275    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
 276    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
 277    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
 278    K1212_CLKIDX_Invalid             // used to check validity of the index
 279 };
 280
 281 enum ClockSourceType {
 282    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
 283    K1212_CLKIDX_Word,        // selects source as S/PDIF
 284    K1212_CLKIDX_Local        // selects source as local clock
 285 };
 286
 287 struct KorgAudioFrame {
 288         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
 289         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
 290         u32 timeCodeVal; /* holds the ADAT timecode value */
 291 };
 292
 293 struct KorgAudioBuffer {
 294         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
 295 };
 296
 297 struct KorgSharedBuffer {
 298 #ifdef K1212_LARGEALLOC
 299    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
 300    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
 301 #endif
 302    short             volumeData[kAudioChannels];
 303    u32               cardCommand;
 304    u16               routeData [kAudioChannels];
 305    u32               AdatTimeCode;                 // ADAT timecode value
 306 };
 307
 308 struct SensBits {
 309    union {
 310       struct {
 311          unsigned int leftChanVal:8;
 312          unsigned int leftChanId:8;
 313       } v;
 314       u16  leftSensBits;
 315    } l;
 316    union {
 317       struct {
 318          unsigned int rightChanVal:8;
 319          unsigned int rightChanId:8;
 320       } v;
 321       u16  rightSensBits;
 322    } r;
 323 };
 324
 325 struct snd_korg1212 {
 326         struct snd_card *card;
 327         struct pci_dev *pci;
 328         struct snd_pcm *pcm;
 329         int irq;
 330
 331         spinlock_t    lock;
 332         struct mutex open_mutex;
 333
 334         struct timer_list timer;        /* timer callback for checking ack of stop request */
 335         int stop_pending_cnt;           /* counter for stop pending check */
 336
 337         wait_queue_head_t wait;
 338
 339         unsigned long iomem;
 340         unsigned long ioport;
 341         unsigned long iomem2;
 342         unsigned long irqcount;
 343         unsigned long inIRQ;
 344         void __iomem *iobase;
 345
 346         struct snd_dma_buffer dma_dsp;
 347         struct snd_dma_buffer dma_play;
 348         struct snd_dma_buffer dma_rec;
 349         struct snd_dma_buffer dma_shared;
 350
 351         u32 DataBufsSize;
 352
 353         struct KorgAudioBuffer  * playDataBufsPtr;
 354         struct KorgAudioBuffer  * recordDataBufsPtr;
 355
 356         struct KorgSharedBuffer * sharedBufferPtr;
 357
 358         u32 RecDataPhy;
 359         u32 PlayDataPhy;
 360         unsigned long sharedBufferPhy;
 361         u32 VolumeTablePhy;
 362         u32 RoutingTablePhy;
 363         u32 AdatTimeCodePhy;
 364
 365         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
 366         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
 367         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
 368         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
 369         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
 370         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
 371         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
 372         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
 373         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
 374         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
 375
 376         size_t periodsize;
 377         int channels;
 378         int currentBuffer;
 379
 380         struct snd_pcm_substream *playback_substream;
 381         struct snd_pcm_substream *capture_substream;
 382
 383         pid_t capture_pid;
 384         pid_t playback_pid;
 385
 386         enum CardState cardState;
 387         int running;
 388         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
 389         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
 390
 391         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
 392
 393         enum ClockSourceType clkSource;   // clock source
 394         int clkRate;                 // clock rate
 395
 396         int volumePhase[kAudioChannels];
 397
 398         u16 leftADCInSens;           // ADC left channel input sensitivity
 399         u16 rightADCInSens;          // ADC right channel input sensitivity
 400
 401         int opencnt;                 // Open/Close count
 402         int setcnt;                  // SetupForPlay count
 403         int playcnt;                 // TriggerPlay count
 404         int errorcnt;                // Error Count
 405         unsigned long totalerrorcnt; // Total Error Count
 406
 407         int dsp_is_loaded;
 408         int dsp_stop_is_processed;
 409
 410 };
 411
 412 MODULE_DESCRIPTION("korg1212");
 413 MODULE_LICENSE("GPL");
 414 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
 415 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
 416 MODULE_FIRMWARE("korg/k1212.dsp");
 417 #endif
 418
 419 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
 420 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
 421 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
 422
 423 module_param_array(index, int, NULL, 0444);
 424 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
 425 module_param_array(id, charp, NULL, 0444);
 426 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
 427 module_param_array(enable, bool, NULL, 0444);
 428 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
 429 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
 430
 431 static struct pci_device_id snd_korg1212_ids[] = {
 432         {
 433                 .vendor    = 0x10b5,
 434                 .device    = 0x906d,
 435                 .subvendor = PCI_ANY_ID,
 436                 .subdevice = PCI_ANY_ID,
 437         },
 438         { 0, },
 439 };
 440
 441 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
 442
 443 static char *stateName[] = {
 444         "Non-existent",
 445         "Uninitialized",
 446         "DSP download in process",
 447         "DSP download complete",
 448         "Ready",
 449         "Open",
 450         "Setup for play",
 451         "Playing",
 452         "Monitor mode on",
 453         "Calibrating",
 454         "Invalid"
 455 };
 456
 457 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
 458
 459 static char *clockSourceName[] = {
 460         "ADAT at 44.1 kHz",
 461         "ADAT at 48 kHz",
 462         "S/PDIF at 44.1 kHz",
 463         "S/PDIF at 48 kHz",
 464         "local clock at 44.1 kHz",
 465         "local clock at 48 kHz"
 466 };
 467
 468 static char *channelName[] = {
 469         "ADAT-1",
 470         "ADAT-2",
 471         "ADAT-3",
 472         "ADAT-4",
 473         "ADAT-5",
 474         "ADAT-6",
 475         "ADAT-7",
 476         "ADAT-8",
 477         "Analog-L",
 478         "Analog-R",
 479         "SPDIF-L",
 480         "SPDIF-R",
 481 };
 482
 483 static u16 ClockSourceSelector[] = {
 484         0x8000,   // selects source as ADAT at 44.1 kHz
 485         0x0000,   // selects source as ADAT at 48 kHz
 486         0x8001,   // selects source as S/PDIF at 44.1 kHz
 487         0x0001,   // selects source as S/PDIF at 48 kHz
 488         0x8002,   // selects source as local clock at 44.1 kHz
 489         0x0002    // selects source as local clock at 48 kHz
 490 };
 491
 492 union swap_u32 { unsigned char c[4]; u32 i; };
 493
 494 #ifdef SNDRV_BIG_ENDIAN
 495 static u32 LowerWordSwap(u32 swappee)
 496 #else
 497 static u32 UpperWordSwap(u32 swappee)
 498 #endif
 499 {
 500    union swap_u32 retVal, swapper;
 501
 502    swapper.i = swappee;
 503    retVal.c[2] = swapper.c[3];
 504    retVal.c[3] = swapper.c[2];
 505    retVal.c[1] = swapper.c[1];
 506    retVal.c[0] = swapper.c[0];
 507
 508    return retVal.i;
 509 }
 510
 511 #ifdef SNDRV_BIG_ENDIAN
 512 static u32 UpperWordSwap(u32 swappee)
 513 #else
 514 static u32 LowerWordSwap(u32 swappee)
 515 #endif
 516 {
 517    union swap_u32 retVal, swapper;
 518
 519    swapper.i = swappee;
 520    retVal.c[2] = swapper.c[2];
 521    retVal.c[3] = swapper.c[3];
 522    retVal.c[1] = swapper.c[0];
 523    retVal.c[0] = swapper.c[1];
 524
 525    return retVal.i;
 526 }
 527
 528 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
 529 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
 530 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
 531 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
 532
 533 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
 534                                         enum korg1212_dbcnst doorbellVal,
 535                                         u32 mailBox0Val, u32 mailBox1Val,
 536                                         u32 mailBox2Val, u32 mailBox3Val)
 537 {
 538         u32 retryCount;
 539         u16 mailBox3Lo;
 540         int rc = K1212_CMDRET_Success;
 541
 542         if (!korg1212->outDoorbellPtr) {
 543                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
 544                 return K1212_CMDRET_CardUninitialized;
 545         }
 546
 547         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
 548                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
 549         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
 550                 writel(mailBox3Val, korg1212->mailbox3Ptr);
 551                 writel(mailBox2Val, korg1212->mailbox2Ptr);
 552                 writel(mailBox1Val, korg1212->mailbox1Ptr);
 553                 writel(mailBox0Val, korg1212->mailbox0Ptr);
 554                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
 555
 556                 // --------------------------------------------------------------
 557                 // the reboot command will not give an acknowledgement.
 558                 // --------------------------------------------------------------
 559                 if ( doorbellVal == K1212_DB_RebootCard ||
 560                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
 561                         doorbellVal == K1212_DB_StartDSPDownload ) {
 562                         rc = K1212_CMDRET_Success;
 563                         break;
 564                 }
 565
 566                 // --------------------------------------------------------------
 567                 // See if the card acknowledged the command.  Wait a bit, then
 568                 // read in the low word of mailbox3.  If the MSB is set and the
 569                 // low byte is equal to the doorbell value, then it ack'd.
 570                 // --------------------------------------------------------------
 571                 udelay(COMMAND_ACK_DELAY);
 572                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
 573                 if (mailBox3Lo & COMMAND_ACK_MASK) {
 574                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
 575                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
 576                                 rc = K1212_CMDRET_Success;
 577                                 break;
 578                         }
 579                 }
 580         }
 581         korg1212->cmdRetryCount += retryCount;
 582
 583         if (retryCount >= MAX_COMMAND_RETRIES) {
 584                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
 585                 rc = K1212_CMDRET_NoAckFromCard;
 586         }
 587
 588         return rc;
 589 }
 590
 591 /* spinlock already held */
 592 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
 593 {
 594         if (! korg1212->stop_pending_cnt) {
 595                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
 596                 /* program the timer */
 597                 korg1212->stop_pending_cnt = HZ;
 598                 korg1212->timer.expires = jiffies + 1;
 599                 add_timer(&korg1212->timer);
 600         }
 601 }
 602
 603 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
 604 {
 605         unsigned long flags;
 606         spin_lock_irqsave(&korg1212->lock, flags);
 607         korg1212->dsp_stop_is_processed = 0;
 608         snd_korg1212_SendStop(korg1212);
 609         spin_unlock_irqrestore(&korg1212->lock, flags);
 610         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
 611 }
 612
 613 /* timer callback for checking the ack of stop request */
 614 static void snd_korg1212_timer_func(unsigned long data)
 615 {
 616         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
 617         unsigned long flags;
 618
 619         spin_lock_irqsave(&korg1212->lock, flags);
 620         if (korg1212->sharedBufferPtr->cardCommand == 0) {
 621                 /* ack'ed */
 622                 korg1212->stop_pending_cnt = 0;
 623                 korg1212->dsp_stop_is_processed = 1;
 624                 wake_up(&korg1212->wait);
 625                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
 626                                            stateName[korg1212->cardState]);
 627         } else {
 628                 if (--korg1212->stop_pending_cnt > 0) {
 629                         /* reprogram timer */
 630                         korg1212->timer.expires = jiffies + 1;
 631                         add_timer(&korg1212->timer);
 632                 } else {
 633                         snd_printd("korg1212_timer_func timeout\n");
 634                         korg1212->sharedBufferPtr->cardCommand = 0;
 635                         korg1212->dsp_stop_is_processed = 1;
 636                         wake_up(&korg1212->wait);
 637                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
 638                                            stateName[korg1212->cardState]);
 639                 }
 640         }
 641         spin_unlock_irqrestore(&korg1212->lock, flags);
 642 }
 643
 644 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
 645 {
 646         unsigned long flags;
 647         int rc;
 648
 649         udelay(INTERCOMMAND_DELAY);
 650         spin_lock_irqsave(&korg1212->lock, flags);
 651         korg1212->idleMonitorOn = 1;
 652         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 653                                           K1212_MODE_MonitorOn, 0, 0, 0);
 654         spin_unlock_irqrestore(&korg1212->lock, flags);
 655         return rc;
 656 }
 657
 658 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
 659 {
 660         if (korg1212->idleMonitorOn) {
 661                 snd_korg1212_SendStopAndWait(korg1212);
 662                 korg1212->idleMonitorOn = 0;
 663         }
 664 }
 665
 666 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
 667 {
 668         korg1212->cardState = csState;
 669 }
 670
 671 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
 672 {
 673         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
 674                            stateName[korg1212->cardState], korg1212->opencnt);
 675         mutex_lock(&korg1212->open_mutex);
 676         if (korg1212->opencnt++ == 0) {
 677                 snd_korg1212_TurnOffIdleMonitor(korg1212);
 678                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 679         }
 680
 681         mutex_unlock(&korg1212->open_mutex);
 682         return 1;
 683 }
 684
 685 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
 686 {
 687         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
 688                            stateName[korg1212->cardState], korg1212->opencnt);
 689
 690         mutex_lock(&korg1212->open_mutex);
 691         if (--(korg1212->opencnt)) {
 692                 mutex_unlock(&korg1212->open_mutex);
 693                 return 0;
 694         }
 695
 696         if (korg1212->cardState == K1212_STATE_SETUP) {
 697                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 698                                 K1212_MODE_StopPlay, 0, 0, 0);
 699                 if (rc)
 700                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
 701                                            rc, stateName[korg1212->cardState]);
 702                 if (rc != K1212_CMDRET_Success) {
 703                         mutex_unlock(&korg1212->open_mutex);
 704                         return 0;
 705                 }
 706         } else if (korg1212->cardState > K1212_STATE_SETUP) {
 707                 snd_korg1212_SendStopAndWait(korg1212);
 708         }
 709
 710         if (korg1212->cardState > K1212_STATE_READY) {
 711                 snd_korg1212_TurnOnIdleMonitor(korg1212);
 712                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
 713         }
 714
 715         mutex_unlock(&korg1212->open_mutex);
 716         return 0;
 717 }
 718
 719 /* spinlock already held */
 720 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
 721 {
 722         int rc;
 723
 724         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
 725                            stateName[korg1212->cardState], korg1212->setcnt);
 726
 727         if (korg1212->setcnt++)
 728                 return 0;
 729
 730         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
 731         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 732                                         K1212_MODE_SetupPlay, 0, 0, 0);
 733         if (rc)
 734                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
 735                                    rc, stateName[korg1212->cardState]);
 736         if (rc != K1212_CMDRET_Success) {
 737                 return 1;
 738         }
 739         return 0;
 740 }
 741
 742 /* spinlock already held */
 743 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
 744 {
 745         int rc;
 746
 747         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
 748                            stateName[korg1212->cardState], korg1212->playcnt);
 749
 750         if (korg1212->playcnt++)
 751                 return 0;
 752
 753         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
 754         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
 755         if (rc)
 756                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
 757                                    rc, stateName[korg1212->cardState]);
 758         if (rc != K1212_CMDRET_Success) {
 759                 return 1;
 760         }
 761         return 0;
 762 }
 763
 764 /* spinlock already held */
 765 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
 766 {
 767         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
 768                            stateName[korg1212->cardState], korg1212->playcnt);
 769
 770         if (--(korg1212->playcnt))
 771                 return 0;
 772
 773         korg1212->setcnt = 0;
 774
 775         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
 776                 snd_korg1212_SendStop(korg1212);
 777
 778         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 779         return 0;
 780 }
 781
 782 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
 783 {
 784         writel(PCI_INT_ENABLE_BIT            |
 785                PCI_DOORBELL_INT_ENABLE_BIT   |
 786                LOCAL_INT_ENABLE_BIT          |
 787                LOCAL_DOORBELL_INT_ENABLE_BIT |
 788                LOCAL_DMA1_INT_ENABLE_BIT,
 789                korg1212->statusRegPtr);
 790 }
 791
 792 #if 0 /* not used */
 793
 794 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
 795                                        enum MonitorModeSelector mode)
 796 {
 797         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
 798                            stateName[korg1212->cardState]);
 799
 800         switch (mode) {
 801         case K1212_MONMODE_Off:
 802                 if (korg1212->cardState != K1212_STATE_MONITOR)
 803                         return 0;
 804                 else {
 805                         snd_korg1212_SendStopAndWait(korg1212);
 806                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
 807                 }
 808                 break;
 809
 810         case K1212_MONMODE_On:
 811                 if (korg1212->cardState != K1212_STATE_OPEN)
 812                         return 0;
 813                 else {
 814                         int rc;
 815                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
 816                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
 817                                                           K1212_MODE_MonitorOn, 0, 0, 0);
 818                         if (rc != K1212_CMDRET_Success)
 819                                 return 0;
 820                 }
 821                 break;
 822
 823         default:
 824                 return 0;
 825         }
 826
 827         return 1;
 828 }
 829
 830 #endif /* not used */
 831
 832 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
 833 {
 834         if (korg1212->playback_pid != korg1212->capture_pid &&
 835             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
 836                 return 0;
 837
 838         return 1;
 839 }
 840
 841 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
 842 {
 843         static enum ClockSourceIndex s44[] = {
 844                 K1212_CLKIDX_AdatAt44_1K,
 845                 K1212_CLKIDX_WordAt44_1K,
 846                 K1212_CLKIDX_LocalAt44_1K
 847         };
 848         static enum ClockSourceIndex s48[] = {
 849                 K1212_CLKIDX_AdatAt48K,
 850                 K1212_CLKIDX_WordAt48K,
 851                 K1212_CLKIDX_LocalAt48K
 852         };
 853         int parm, rc;
 854
 855         if (!snd_korg1212_use_is_exclusive (korg1212))
 856                 return -EBUSY;
 857
 858         switch (rate) {
 859         case 44100:
 860                 parm = s44[korg1212->clkSource];
 861                 break;
 862
 863         case 48000:
 864                 parm = s48[korg1212->clkSource];
 865                 break;
 866
 867         default:
 868                 return -EINVAL;
 869         }
 870
 871         korg1212->clkSrcRate = parm;
 872         korg1212->clkRate = rate;
 873
 874         udelay(INTERCOMMAND_DELAY);
 875         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
 876                                           ClockSourceSelector[korg1212->clkSrcRate],
 877                                           0, 0, 0);
 878         if (rc)
 879                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
 880                                    rc, stateName[korg1212->cardState]);
 881
 882         return 0;
 883 }
 884
 885 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
 886 {
 887
 888         if (source < 0 || source > 2)
 889                 return -EINVAL;
 890
 891         korg1212->clkSource = source;
 892
 893         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
 894
 895         return 0;
 896 }
 897
 898 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
 899 {
 900         writel(0, korg1212->statusRegPtr);
 901 }
 902
 903 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
 904 {
 905         struct SensBits  sensVals;
 906         int       bitPosition;
 907         int       channel;
 908         int       clkIs48K;
 909         int       monModeSet;
 910         u16       controlValue;    // this keeps the current value to be written to
 911                                    //  the card's eeprom control register.
 912         u16       count;
 913         unsigned long flags;
 914
 915         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
 916                            stateName[korg1212->cardState]);
 917
 918         // ----------------------------------------------------------------------------
 919         // initialize things.  The local init bit is always set when writing to the
 920         // card's control register.
 921         // ----------------------------------------------------------------------------
 922         controlValue = 0;
 923         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
 924
 925         // ----------------------------------------------------------------------------
 926         // make sure the card is not in monitor mode when we do this update.
 927         // ----------------------------------------------------------------------------
 928         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
 929                 monModeSet = 1;
 930                 snd_korg1212_SendStopAndWait(korg1212);
 931         } else
 932                 monModeSet = 0;
 933
 934         spin_lock_irqsave(&korg1212->lock, flags);
 935
 936         // ----------------------------------------------------------------------------
 937         // we are about to send new values to the card, so clear the new values queued
 938         // flag.  Also, clear out mailbox 3, so we don't lockup.
 939         // ----------------------------------------------------------------------------
 940         writel(0, korg1212->mailbox3Ptr);
 941         udelay(LOADSHIFT_DELAY);
 942
 943         // ----------------------------------------------------------------------------
 944         // determine whether we are running a 48K or 44.1K clock.  This info is used
 945         // later when setting the SPDIF FF after the volume has been shifted in.
 946         // ----------------------------------------------------------------------------
 947         switch (korg1212->clkSrcRate) {
 948                 case K1212_CLKIDX_AdatAt44_1K:
 949                 case K1212_CLKIDX_WordAt44_1K:
 950                 case K1212_CLKIDX_LocalAt44_1K:
 951                         clkIs48K = 0;
 952                         break;
 953
 954                 case K1212_CLKIDX_WordAt48K:
 955                 case K1212_CLKIDX_AdatAt48K:
 956                 case K1212_CLKIDX_LocalAt48K:
 957                 default:
 958                         clkIs48K = 1;
 959                         break;
 960         }
 961
 962         // ----------------------------------------------------------------------------
 963         // start the update.  Setup the bit structure and then shift the bits.
 964         // ----------------------------------------------------------------------------
 965         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
 966         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
 967         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
 968         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
 969
 970         // ----------------------------------------------------------------------------
 971         // now start shifting the bits in.  Start with the left channel then the right.
 972         // ----------------------------------------------------------------------------
 973         for (channel = 0; channel < 2; channel++) {
 974
 975                 // ----------------------------------------------------------------------------
 976                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
 977                 // shift low to the first rising edge of the clock.
 978                 // ----------------------------------------------------------------------------
 979                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
 980                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
 981                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
 982                 udelay(LOADSHIFT_DELAY);
 983
 984                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
 985                         if (channel == 0) {
 986                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
 987                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 988                                 else
 989                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 990                         } else {
 991                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
 992                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
 993                                 else
 994                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
 995                         }
 996
 997                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
 998                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
 999                         udelay(SENSCLKPULSE_WIDTH);
1000                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1001                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
1002                         udelay(SENSCLKPULSE_WIDTH);
1003                 }
1004
1005                 // ----------------------------------------------------------------------------
1006                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1007                 // bit if the clock rate is 48K otherwise write 0.
1008                 // ----------------------------------------------------------------------------
1009                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1010                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1012                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1013                 udelay(SENSCLKPULSE_WIDTH);
1014
1015                 if (clkIs48K)
1016                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1017
1018                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1019                 udelay(ONE_RTC_TICK);
1020                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1021                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1022                 udelay(SENSCLKPULSE_WIDTH);
1023                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1024                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1025                 udelay(SENSCLKPULSE_WIDTH);
1026         }
1027
1028         // ----------------------------------------------------------------------------
1029         // The update is complete.  Set a timeout.  This is the inter-update delay.
1030         // Also, if the card was in monitor mode, restore it.
1031         // ----------------------------------------------------------------------------
1032         for (count = 0; count < 10; count++)
1033                 udelay(SENSCLKPULSE_WIDTH);
1034
1035         if (monModeSet) {
1036                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1037                                 K1212_MODE_MonitorOn, 0, 0, 0);
1038                 if (rc)
1039                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1040                                            rc, stateName[korg1212->cardState]);
1041         }
1042
1043         spin_unlock_irqrestore(&korg1212->lock, flags);
1044
1045         return 1;
1046 }
1047
1048 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1049 {
1050         int channel, rc;
1051
1052         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1053                            stateName[korg1212->cardState]);
1054
1055         // ----------------------------------------------------
1056         // tell the card to boot
1057         // ----------------------------------------------------
1058         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1059
1060         if (rc)
1061                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1062                                    rc, stateName[korg1212->cardState]);
1063         msleep(DSP_BOOT_DELAY_IN_MS);
1064
1065         // --------------------------------------------------------------------------------
1066         // Let the card know where all the buffers are.
1067         // --------------------------------------------------------------------------------
1068         rc = snd_korg1212_Send1212Command(korg1212,
1069                         K1212_DB_ConfigureBufferMemory,
1070                         LowerWordSwap(korg1212->PlayDataPhy),
1071                         LowerWordSwap(korg1212->RecDataPhy),
1072                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1073                                                                    // is based on 2 buffers
1074                         0
1075         );
1076
1077         if (rc)
1078                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1079                                    rc, stateName[korg1212->cardState]);
1080
1081         udelay(INTERCOMMAND_DELAY);
1082
1083         rc = snd_korg1212_Send1212Command(korg1212,
1084                         K1212_DB_ConfigureMiscMemory,
1085                         LowerWordSwap(korg1212->VolumeTablePhy),
1086                         LowerWordSwap(korg1212->RoutingTablePhy),
1087                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1088                         0
1089         );
1090
1091         if (rc)
1092                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1093                                    rc, stateName[korg1212->cardState]);
1094
1095         // --------------------------------------------------------------------------------
1096         // Initialize the routing and volume tables, then update the card's state.
1097         // --------------------------------------------------------------------------------
1098         udelay(INTERCOMMAND_DELAY);
1099
1100         for (channel = 0; channel < kAudioChannels; channel++) {
1101                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1102                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1103                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1104         }
1105
1106         snd_korg1212_WriteADCSensitivity(korg1212);
1107
1108         udelay(INTERCOMMAND_DELAY);
1109         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1110                                           ClockSourceSelector[korg1212->clkSrcRate],
1111                                           0, 0, 0);
1112         if (rc)
1113                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1114                                    rc, stateName[korg1212->cardState]);
1115
1116         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1117         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1118
1119         if (rc)
1120                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1121                                    rc, stateName[korg1212->cardState]);
1122
1123         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1124 }
1125
1126 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1127 {
1128         u32 doorbellValue;
1129         struct snd_korg1212 *korg1212 = dev_id;
1130
1131         doorbellValue = readl(korg1212->inDoorbellPtr);
1132
1133         if (!doorbellValue)
1134                 return IRQ_NONE;
1135
1136         spin_lock(&korg1212->lock);
1137
1138         writel(doorbellValue, korg1212->inDoorbellPtr);
1139
1140         korg1212->irqcount++;
1141
1142         korg1212->inIRQ++;
1143
1144         switch (doorbellValue) {
1145                 case K1212_DB_DSPDownloadDone:
1146                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1147                                            korg1212->irqcount, doorbellValue,
1148                                            stateName[korg1212->cardState]);
1149                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1150                                 korg1212->dsp_is_loaded = 1;
1151                                 wake_up(&korg1212->wait);
1152                         }
1153                         break;
1154
1155                 // ------------------------------------------------------------------------
1156                 // an error occurred - stop the card
1157                 // ------------------------------------------------------------------------
1158                 case K1212_DB_DMAERROR:
1159                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1160                                                    korg1212->irqcount, doorbellValue,
1161                                                    stateName[korg1212->cardState]);
1162                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1163                         korg1212->errorcnt++;
1164                         korg1212->totalerrorcnt++;
1165                         korg1212->sharedBufferPtr->cardCommand = 0;
1166                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1167                         break;
1168
1169                 // ------------------------------------------------------------------------
1170                 // the card has stopped by our request.  Clear the command word and signal
1171                 // the semaphore in case someone is waiting for this.
1172                 // ------------------------------------------------------------------------
1173                 case K1212_DB_CARDSTOPPED:
1174                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1175                                                    korg1212->irqcount, doorbellValue,
1176                                                    stateName[korg1212->cardState]);
1177                         korg1212->sharedBufferPtr->cardCommand = 0;
1178                         break;
1179
1180                 default:
1181                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1182                                korg1212->irqcount, doorbellValue,
1183                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1184                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1185                                 korg1212->currentBuffer++;
1186
1187                                 if (korg1212->currentBuffer >= kNumBuffers)
1188                                         korg1212->currentBuffer = 0;
1189
1190                                 if (!korg1212->running)
1191                                         break;
1192
1193                                 if (korg1212->capture_substream) {
1194                                         spin_unlock(&korg1212->lock);
1195                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1196                                         spin_lock(&korg1212->lock);
1197                                 }
1198
1199                                 if (korg1212->playback_substream) {
1200                                         spin_unlock(&korg1212->lock);
1201                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1202                                         spin_lock(&korg1212->lock);
1203                                 }
1204                         }
1205                         break;
1206         }
1207
1208         korg1212->inIRQ--;
1209
1210         spin_unlock(&korg1212->lock);
1211
1212         return IRQ_HANDLED;
1213 }
1214
1215 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1216 {
1217         int rc;
1218
1219         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1220                            stateName[korg1212->cardState]);
1221
1222         // ---------------------------------------------------------------
1223         // verify the state of the card before proceeding.
1224         // ---------------------------------------------------------------
1225         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1226                 return 1;
1227
1228         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1229
1230         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1231                                      UpperWordSwap(korg1212->dma_dsp.addr),
1232                                      0, 0, 0);
1233         if (rc)
1234                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1235                                    rc, stateName[korg1212->cardState]);
1236
1237         korg1212->dsp_is_loaded = 0;
1238         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1239         if (! korg1212->dsp_is_loaded )
1240                 return -EBUSY; /* timeout */
1241
1242         snd_korg1212_OnDSPDownloadComplete(korg1212);
1243
1244         return 0;
1245 }
1246
1247 static struct snd_pcm_hardware snd_korg1212_playback_info =
1248 {
1249         .info =              (SNDRV_PCM_INFO_MMAP |
1250                               SNDRV_PCM_INFO_MMAP_VALID |
1251                               SNDRV_PCM_INFO_INTERLEAVED),
1252         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1253         .rates =              (SNDRV_PCM_RATE_44100 |
1254                               SNDRV_PCM_RATE_48000),
1255         .rate_min =           44100,
1256         .rate_max =           48000,
1257         .channels_min =       K1212_MIN_CHANNELS,
1258         .channels_max =       K1212_MAX_CHANNELS,
1259         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1260         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1261         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1262         .periods_min =        K1212_PERIODS,
1263         .periods_max =        K1212_PERIODS,
1264         .fifo_size =          0,
1265 };
1266
1267 static struct snd_pcm_hardware snd_korg1212_capture_info =
1268 {
1269         .info =              (SNDRV_PCM_INFO_MMAP |
1270                               SNDRV_PCM_INFO_MMAP_VALID |
1271                               SNDRV_PCM_INFO_INTERLEAVED),
1272         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1273         .rates =              (SNDRV_PCM_RATE_44100 |
1274                               SNDRV_PCM_RATE_48000),
1275         .rate_min =           44100,
1276         .rate_max =           48000,
1277         .channels_min =       K1212_MIN_CHANNELS,
1278         .channels_max =       K1212_MAX_CHANNELS,
1279         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1280         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1281         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1282         .periods_min =        K1212_PERIODS,
1283         .periods_max =        K1212_PERIODS,
1284         .fifo_size =          0,
1285 };
1286
1287 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1288 {
1289         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1290         int i;
1291
1292         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1293                                    pos, offset, size, count);
1294         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1295
1296         for (i=0; i < count; i++) {
1297 #if K1212_DEBUG_LEVEL > 0
1298                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1299                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1300                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1301                                dst, i);
1302                         return -EFAULT;
1303                 }
1304 #endif
1305                 memset((void*) dst + offset, 0, size);
1306                 dst++;
1307         }
1308
1309         return 0;
1310 }
1311
1312 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1313 {
1314         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1315         int i, rc;
1316
1317         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1318                                    pos, offset, size);
1319         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1320
1321         for (i=0; i < count; i++) {
1322 #if K1212_DEBUG_LEVEL > 0
1323                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1324                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1325                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1326                         return -EFAULT;
1327                 }
1328 #endif
1329                 rc = copy_to_user(dst + offset, src, size);
1330                 if (rc) {
1331                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1332                         return -EFAULT;
1333                 }
1334                 src++;
1335                 dst += size;
1336         }
1337
1338         return 0;
1339 }
1340
1341 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1342 {
1343         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1344         int i, rc;
1345
1346         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1347                                    pos, offset, size, count);
1348
1349         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1350
1351         for (i=0; i < count; i++) {
1352 #if K1212_DEBUG_LEVEL > 0
1353                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1354                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1355                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1356                         return -EFAULT;
1357                 }
1358 #endif
1359                 rc = copy_from_user((void*) dst + offset, src, size);
1360                 if (rc) {
1361                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1362                         return -EFAULT;
1363                 }
1364                 dst++;
1365                 src += size;
1366         }
1367
1368         return 0;
1369 }
1370
1371 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1372 {
1373         struct snd_korg1212 *korg1212 = pcm->private_data;
1374
1375         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1376                            stateName[korg1212->cardState]);
1377
1378         korg1212->pcm = NULL;
1379 }
1380
1381 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1382 {
1383         unsigned long flags;
1384         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1385         struct snd_pcm_runtime *runtime = substream->runtime;
1386
1387         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1388                            stateName[korg1212->cardState]);
1389
1390         snd_korg1212_OpenCard(korg1212);
1391
1392         runtime->hw = snd_korg1212_playback_info;
1393         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1394
1395         spin_lock_irqsave(&korg1212->lock, flags);
1396
1397         korg1212->playback_substream = substream;
1398         korg1212->playback_pid = current->pid;
1399         korg1212->periodsize = K1212_PERIODS;
1400         korg1212->channels = K1212_CHANNELS;
1401         korg1212->errorcnt = 0;
1402
1403         spin_unlock_irqrestore(&korg1212->lock, flags);
1404
1405         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1406         return 0;
1407 }
1408
1409
1410 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1411 {
1412         unsigned long flags;
1413         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1414         struct snd_pcm_runtime *runtime = substream->runtime;
1415
1416         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1417                            stateName[korg1212->cardState]);
1418
1419         snd_korg1212_OpenCard(korg1212);
1420
1421         runtime->hw = snd_korg1212_capture_info;
1422         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1423
1424         spin_lock_irqsave(&korg1212->lock, flags);
1425
1426         korg1212->capture_substream = substream;
1427         korg1212->capture_pid = current->pid;
1428         korg1212->periodsize = K1212_PERIODS;
1429         korg1212->channels = K1212_CHANNELS;
1430
1431         spin_unlock_irqrestore(&korg1212->lock, flags);
1432
1433         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1434                                      kPlayBufferFrames, kPlayBufferFrames);
1435         return 0;
1436 }
1437
1438 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1439 {
1440         unsigned long flags;
1441         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1442
1443         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1444                            stateName[korg1212->cardState]);
1445
1446         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1447
1448         spin_lock_irqsave(&korg1212->lock, flags);
1449
1450         korg1212->playback_pid = -1;
1451         korg1212->playback_substream = NULL;
1452         korg1212->periodsize = 0;
1453
1454         spin_unlock_irqrestore(&korg1212->lock, flags);
1455
1456         snd_korg1212_CloseCard(korg1212);
1457         return 0;
1458 }
1459
1460 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1461 {
1462         unsigned long flags;
1463         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1464
1465         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1466                            stateName[korg1212->cardState]);
1467
1468         spin_lock_irqsave(&korg1212->lock, flags);
1469
1470         korg1212->capture_pid = -1;
1471         korg1212->capture_substream = NULL;
1472         korg1212->periodsize = 0;
1473
1474         spin_unlock_irqrestore(&korg1212->lock, flags);
1475
1476         snd_korg1212_CloseCard(korg1212);
1477         return 0;
1478 }
1479
1480 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1481                              unsigned int cmd, void *arg)
1482 {
1483         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1484
1485         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1486                 struct snd_pcm_channel_info *info = arg;
1487                 info->offset = 0;
1488                 info->first = info->channel * 16;
1489                 info->step = 256;
1490                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1491                 return 0;
1492         }
1493
1494         return snd_pcm_lib_ioctl(substream, cmd, arg);
1495 }
1496
1497 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1498                              struct snd_pcm_hw_params *params)
1499 {
1500         unsigned long flags;
1501         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1502         int err;
1503         pid_t this_pid;
1504         pid_t other_pid;
1505
1506         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1507                            stateName[korg1212->cardState]);
1508
1509         spin_lock_irqsave(&korg1212->lock, flags);
1510
1511         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1512                 this_pid = korg1212->playback_pid;
1513                 other_pid = korg1212->capture_pid;
1514         } else {
1515                 this_pid = korg1212->capture_pid;
1516                 other_pid = korg1212->playback_pid;
1517         }
1518
1519         if ((other_pid > 0) && (this_pid != other_pid)) {
1520
1521                 /* The other stream is open, and not by the same
1522                    task as this one. Make sure that the parameters
1523                    that matter are the same.
1524                  */
1525
1526                 if ((int)params_rate(params) != korg1212->clkRate) {
1527                         spin_unlock_irqrestore(&korg1212->lock, flags);
1528                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1529                         return -EBUSY;
1530                 }
1531
1532                 spin_unlock_irqrestore(&korg1212->lock, flags);
1533                 return 0;
1534         }
1535
1536         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1537                 spin_unlock_irqrestore(&korg1212->lock, flags);
1538                 return err;
1539         }
1540
1541         korg1212->channels = params_channels(params);
1542         korg1212->periodsize = K1212_PERIOD_BYTES;
1543
1544         spin_unlock_irqrestore(&korg1212->lock, flags);
1545
1546         return 0;
1547 }
1548
1549 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1550 {
1551         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1552         int rc;
1553
1554         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1555                            stateName[korg1212->cardState]);
1556
1557         spin_lock_irq(&korg1212->lock);
1558
1559         /* FIXME: we should wait for ack! */
1560         if (korg1212->stop_pending_cnt > 0) {
1561                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1562                                    stateName[korg1212->cardState]);
1563                 spin_unlock_irq(&korg1212->lock);
1564                 return -EAGAIN;
1565                 /*
1566                 korg1212->sharedBufferPtr->cardCommand = 0;
1567                 del_timer(&korg1212->timer);
1568                 korg1212->stop_pending_cnt = 0;
1569                 */
1570         }
1571
1572         rc = snd_korg1212_SetupForPlay(korg1212);
1573
1574         korg1212->currentBuffer = 0;
1575
1576         spin_unlock_irq(&korg1212->lock);
1577
1578         return rc ? -EINVAL : 0;
1579 }
1580
1581 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1582                            int cmd)
1583 {
1584         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1585         int rc;
1586
1587         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1588                            stateName[korg1212->cardState], cmd);
1589
1590         spin_lock(&korg1212->lock);
1591         switch (cmd) {
1592                 case SNDRV_PCM_TRIGGER_START:
1593 /*
1594                         if (korg1212->running) {
1595                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1596                                 break;
1597                         }
1598 */
1599                         korg1212->running++;
1600                         rc = snd_korg1212_TriggerPlay(korg1212);
1601                         break;
1602
1603                 case SNDRV_PCM_TRIGGER_STOP:
1604 /*
1605                         if (!korg1212->running) {
1606                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1607                                 break;
1608                         }
1609 */
1610                         korg1212->running--;
1611                         rc = snd_korg1212_StopPlay(korg1212);
1612                         break;
1613
1614                 default:
1615                         rc = 1;
1616                         break;
1617         }
1618         spin_unlock(&korg1212->lock);
1619         return rc ? -EINVAL : 0;
1620 }
1621
1622 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1623 {
1624         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1625         snd_pcm_uframes_t pos;
1626
1627         pos = korg1212->currentBuffer * kPlayBufferFrames;
1628
1629         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1630                                    stateName[korg1212->cardState], pos);
1631
1632         return pos;
1633 }
1634
1635 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1636 {
1637         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1638         snd_pcm_uframes_t pos;
1639
1640         pos = korg1212->currentBuffer * kPlayBufferFrames;
1641
1642         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1643                                    stateName[korg1212->cardState], pos);
1644
1645         return pos;
1646 }
1647
1648 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1649                         int channel, /* not used (interleaved data) */
1650                         snd_pcm_uframes_t pos,
1651                         void __user *src,
1652                         snd_pcm_uframes_t count)
1653 {
1654         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1655
1656         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1657                                    stateName[korg1212->cardState], pos, count);
1658
1659         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1660
1661 }
1662
1663 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1664                            int channel, /* not used (interleaved data) */
1665                            snd_pcm_uframes_t pos,
1666                            snd_pcm_uframes_t count)
1667 {
1668         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1669
1670         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1671                                    stateName[korg1212->cardState]);
1672
1673         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1674 }
1675
1676 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1677                         int channel, /* not used (interleaved data) */
1678                         snd_pcm_uframes_t pos,
1679                         void __user *dst,
1680                         snd_pcm_uframes_t count)
1681 {
1682         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1683
1684         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1685                                    stateName[korg1212->cardState], pos, count);
1686
1687         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1688 }
1689
1690 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1691         .open =         snd_korg1212_playback_open,
1692         .close =        snd_korg1212_playback_close,
1693         .ioctl =        snd_korg1212_ioctl,
1694         .hw_params =    snd_korg1212_hw_params,
1695         .prepare =      snd_korg1212_prepare,
1696         .trigger =      snd_korg1212_trigger,
1697         .pointer =      snd_korg1212_playback_pointer,
1698         .copy =         snd_korg1212_playback_copy,
1699         .silence =      snd_korg1212_playback_silence,
1700 };
1701
1702 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1703         .open =         snd_korg1212_capture_open,
1704         .close =        snd_korg1212_capture_close,
1705         .ioctl =        snd_korg1212_ioctl,
1706         .hw_params =    snd_korg1212_hw_params,
1707         .prepare =      snd_korg1212_prepare,
1708         .trigger =      snd_korg1212_trigger,
1709         .pointer =      snd_korg1212_capture_pointer,
1710         .copy =         snd_korg1212_capture_copy,
1711 };
1712
1713 /*
1714  * Control Interface
1715  */
1716
1717 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1718                                            struct snd_ctl_elem_info *uinfo)
1719 {
1720         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1721         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1722         return 0;
1723 }
1724
1725 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1726                                           struct snd_ctl_elem_value *u)
1727 {
1728         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1729         int i = kcontrol->private_value;
1730
1731         spin_lock_irq(&korg1212->lock);
1732
1733         u->value.integer.value[0] = korg1212->volumePhase[i];
1734
1735         if (i >= 8)
1736                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1737
1738         spin_unlock_irq(&korg1212->lock);
1739
1740         return 0;
1741 }
1742
1743 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1744                                           struct snd_ctl_elem_value *u)
1745 {
1746         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1747         int change = 0;
1748         int i, val;
1749
1750         spin_lock_irq(&korg1212->lock);
1751
1752         i = kcontrol->private_value;
1753
1754         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1755
1756         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1757
1758         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1759                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1760                 korg1212->sharedBufferPtr->volumeData[i] = val;
1761                 change = 1;
1762         }
1763
1764         if (i >= 8) {
1765                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1766
1767                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1768
1769                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1770                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1771                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1772                         change = 1;
1773                 }
1774         }
1775
1776         spin_unlock_irq(&korg1212->lock);
1777
1778         return change;
1779 }
1780
1781 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1782                                             struct snd_ctl_elem_info *uinfo)
1783 {
1784         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1785         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1786         uinfo->value.integer.min = k1212MinVolume;
1787         uinfo->value.integer.max = k1212MaxVolume;
1788         return 0;
1789 }
1790
1791 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1792                                            struct snd_ctl_elem_value *u)
1793 {
1794         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1795         int i;
1796
1797         spin_lock_irq(&korg1212->lock);
1798
1799         i = kcontrol->private_value;
1800         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1801
1802         if (i >= 8)
1803                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1804
1805         spin_unlock_irq(&korg1212->lock);
1806
1807         return 0;
1808 }
1809
1810 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1811                                            struct snd_ctl_elem_value *u)
1812 {
1813         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1814         int change = 0;
1815         int i;
1816         int val;
1817
1818         spin_lock_irq(&korg1212->lock);
1819
1820         i = kcontrol->private_value;
1821
1822         if (u->value.integer.value[0] >= k1212MinVolume &&
1823             u->value.integer.value[0] >= k1212MaxVolume &&
1824             u->value.integer.value[0] !=
1825             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1826                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1827                 val *= u->value.integer.value[0];
1828                 korg1212->sharedBufferPtr->volumeData[i] = val;
1829                 change = 1;
1830         }
1831
1832         if (i >= 8) {
1833                 if (u->value.integer.value[1] >= k1212MinVolume &&
1834                     u->value.integer.value[1] >= k1212MaxVolume &&
1835                     u->value.integer.value[1] !=
1836                     abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1837                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1838                         val *= u->value.integer.value[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_route_info(struct snd_kcontrol *kcontrol,
1850                                            struct snd_ctl_elem_info *uinfo)
1851 {
1852         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1853         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1854         uinfo->value.enumerated.items = kAudioChannels;
1855         if (uinfo->value.enumerated.item > kAudioChannels-1) {
1856                 uinfo->value.enumerated.item = kAudioChannels-1;
1857         }
1858         strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1859         return 0;
1860 }
1861
1862 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1863                                           struct snd_ctl_elem_value *u)
1864 {
1865         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1866         int i;
1867
1868         spin_lock_irq(&korg1212->lock);
1869
1870         i = kcontrol->private_value;
1871         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1872
1873         if (i >= 8)
1874                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1875
1876         spin_unlock_irq(&korg1212->lock);
1877
1878         return 0;
1879 }
1880
1881 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1882                                           struct snd_ctl_elem_value *u)
1883 {
1884         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1885         int change = 0, i;
1886
1887         spin_lock_irq(&korg1212->lock);
1888
1889         i = kcontrol->private_value;
1890
1891         if (u->value.enumerated.item[0] < kAudioChannels &&
1892             u->value.enumerated.item[0] !=
1893             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1894                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1895                 change = 1;
1896         }
1897
1898         if (i >= 8) {
1899                 if (u->value.enumerated.item[1] < kAudioChannels &&
1900                     u->value.enumerated.item[1] !=
1901                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1902                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1903                         change = 1;
1904                 }
1905         }
1906
1907         spin_unlock_irq(&korg1212->lock);
1908
1909         return change;
1910 }
1911
1912 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1913                                      struct snd_ctl_elem_info *uinfo)
1914 {
1915         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1916         uinfo->count = 2;
1917         uinfo->value.integer.min = k1212MaxADCSens;
1918         uinfo->value.integer.max = k1212MinADCSens;
1919         return 0;
1920 }
1921
1922 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1923                                     struct snd_ctl_elem_value *u)
1924 {
1925         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1926
1927         spin_lock_irq(&korg1212->lock);
1928
1929         u->value.integer.value[0] = korg1212->leftADCInSens;
1930         u->value.integer.value[1] = korg1212->rightADCInSens;
1931
1932         spin_unlock_irq(&korg1212->lock);
1933
1934         return 0;
1935 }
1936
1937 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1938                                     struct snd_ctl_elem_value *u)
1939 {
1940         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1941         int change = 0;
1942
1943         spin_lock_irq(&korg1212->lock);
1944
1945         if (u->value.integer.value[0] >= k1212MinADCSens &&
1946             u->value.integer.value[0] <= k1212MaxADCSens &&
1947             u->value.integer.value[0] != korg1212->leftADCInSens) {
1948                 korg1212->leftADCInSens = u->value.integer.value[0];
1949                 change = 1;
1950         }
1951         if (u->value.integer.value[1] >= k1212MinADCSens &&
1952             u->value.integer.value[1] <= k1212MaxADCSens &&
1953             u->value.integer.value[1] != korg1212->rightADCInSens) {
1954                 korg1212->rightADCInSens = u->value.integer.value[1];
1955                 change = 1;
1956         }
1957
1958         spin_unlock_irq(&korg1212->lock);
1959
1960         if (change)
1961                 snd_korg1212_WriteADCSensitivity(korg1212);
1962
1963         return change;
1964 }
1965
1966 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1967                                           struct snd_ctl_elem_info *uinfo)
1968 {
1969         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1970         uinfo->count = 1;
1971         uinfo->value.enumerated.items = 3;
1972         if (uinfo->value.enumerated.item > 2) {
1973                 uinfo->value.enumerated.item = 2;
1974         }
1975         strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1976         return 0;
1977 }
1978
1979 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980                                          struct snd_ctl_elem_value *ucontrol)
1981 {
1982         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1983
1984         spin_lock_irq(&korg1212->lock);
1985
1986         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1987
1988         spin_unlock_irq(&korg1212->lock);
1989         return 0;
1990 }
1991
1992 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993                                          struct snd_ctl_elem_value *ucontrol)
1994 {
1995         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996         unsigned int val;
1997         int change;
1998
1999         val = ucontrol->value.enumerated.item[0] % 3;
2000         spin_lock_irq(&korg1212->lock);
2001         change = val != korg1212->clkSource;
2002         snd_korg1212_SetClockSource(korg1212, val);
2003         spin_unlock_irq(&korg1212->lock);
2004         return change;
2005 }
2006
2007 #define MON_MIXER(ord,c_name)                                                                   \
2008         {                                                                                       \
2009                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2010                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2011                 .name =         c_name " Monitor Volume",                                       \
2012                 .info =         snd_korg1212_control_volume_info,                               \
2013                 .get =          snd_korg1212_control_volume_get,                                \
2014                 .put =          snd_korg1212_control_volume_put,                                \
2015                 .private_value = ord,                                                           \
2016         },                                                                                      \
2017         {                                                                                       \
2018                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2019                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2020                 .name =         c_name " Monitor Route",                                        \
2021                 .info =         snd_korg1212_control_route_info,                                \
2022                 .get =          snd_korg1212_control_route_get,                                 \
2023                 .put =          snd_korg1212_control_route_put,                                 \
2024                 .private_value = ord,                                                           \
2025         },                                                                                      \
2026         {                                                                                       \
2027                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2028                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2029                 .name =         c_name " Monitor Phase Invert",                                 \
2030                 .info =         snd_korg1212_control_phase_info,                                \
2031                 .get =          snd_korg1212_control_phase_get,                                 \
2032                 .put =          snd_korg1212_control_phase_put,                                 \
2033                 .private_value = ord,                                                           \
2034         }
2035
2036 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2037         MON_MIXER(8, "Analog"),
2038         MON_MIXER(10, "SPDIF"),
2039         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2040         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2041         {
2042                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2043                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2044                 .name =         "Sync Source",
2045                 .info =         snd_korg1212_control_sync_info,
2046                 .get =          snd_korg1212_control_sync_get,
2047                 .put =          snd_korg1212_control_sync_put,
2048         },
2049         {
2050                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2051                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2052                 .name =         "ADC Attenuation",
2053                 .info =         snd_korg1212_control_info,
2054                 .get =          snd_korg1212_control_get,
2055                 .put =          snd_korg1212_control_put,
2056         }
2057 };
2058
2059 /*
2060  * proc interface
2061  */
2062
2063 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064                                    struct snd_info_buffer *buffer)
2065 {
2066         int n;
2067         struct snd_korg1212 *korg1212 = entry->private_data;
2068
2069         snd_iprintf(buffer, korg1212->card->longname);
2070         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2071         snd_iprintf(buffer, "\nGeneral settings\n");
2072         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2073         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2074         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2075         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2076         snd_iprintf(buffer, "    Volume Info:\n");
2077         for (n=0; n<kAudioChannels; n++)
2078                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2079                                     channelName[n],
2080                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2081                                     korg1212->sharedBufferPtr->volumeData[n]);
2082         snd_iprintf(buffer, "\nGeneral status\n");
2083         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2084         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2085         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2086         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2087         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2088         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2089 }
2090
2091 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2092 {
2093         struct snd_info_entry *entry;
2094
2095         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096                 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2097 }
2098
2099 static int
2100 snd_korg1212_free(struct snd_korg1212 *korg1212)
2101 {
2102         snd_korg1212_TurnOffIdleMonitor(korg1212);
2103
2104         if (korg1212->irq >= 0) {
2105                 synchronize_irq(korg1212->irq);
2106                 snd_korg1212_DisableCardInterrupts(korg1212);
2107                 free_irq(korg1212->irq, korg1212);
2108                 korg1212->irq = -1;
2109         }
2110
2111         if (korg1212->iobase != NULL) {
2112                 iounmap(korg1212->iobase);
2113                 korg1212->iobase = NULL;
2114         }
2115
2116         pci_release_regions(korg1212->pci);
2117
2118         // ----------------------------------------------------
2119         // free up memory resources used for the DSP download.
2120         // ----------------------------------------------------
2121         if (korg1212->dma_dsp.area) {
2122                 snd_dma_free_pages(&korg1212->dma_dsp);
2123                 korg1212->dma_dsp.area = NULL;
2124         }
2125
2126 #ifndef K1212_LARGEALLOC
2127
2128         // ------------------------------------------------------
2129         // free up memory resources used for the Play/Rec Buffers
2130         // ------------------------------------------------------
2131         if (korg1212->dma_play.area) {
2132                 snd_dma_free_pages(&korg1212->dma_play);
2133                 korg1212->dma_play.area = NULL;
2134         }
2135
2136         if (korg1212->dma_rec.area) {
2137                 snd_dma_free_pages(&korg1212->dma_rec);
2138                 korg1212->dma_rec.area = NULL;
2139         }
2140
2141 #endif
2142
2143         // ----------------------------------------------------
2144         // free up memory resources used for the Shared Buffers
2145         // ----------------------------------------------------
2146         if (korg1212->dma_shared.area) {
2147                 snd_dma_free_pages(&korg1212->dma_shared);
2148                 korg1212->dma_shared.area = NULL;
2149         }
2150
2151         pci_disable_device(korg1212->pci);
2152         kfree(korg1212);
2153         return 0;
2154 }
2155
2156 static int snd_korg1212_dev_free(struct snd_device *device)
2157 {
2158         struct snd_korg1212 *korg1212 = device->device_data;
2159         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2160         return snd_korg1212_free(korg1212);
2161 }
2162
2163 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2164                                          struct snd_korg1212 ** rchip)
2165
2166 {
2167         int err, rc;
2168         unsigned int i;
2169         unsigned ioport_size, iomem_size, iomem2_size;
2170         struct snd_korg1212 * korg1212;
2171         const struct firmware *dsp_code;
2172
2173         static struct snd_device_ops ops = {
2174                 .dev_free = snd_korg1212_dev_free,
2175         };
2176
2177         * rchip = NULL;
2178         if ((err = pci_enable_device(pci)) < 0)
2179                 return err;
2180
2181         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2182         if (korg1212 == NULL) {
2183                 pci_disable_device(pci);
2184                 return -ENOMEM;
2185         }
2186
2187         korg1212->card = card;
2188         korg1212->pci = pci;
2189
2190         init_waitqueue_head(&korg1212->wait);
2191         spin_lock_init(&korg1212->lock);
2192         mutex_init(&korg1212->open_mutex);
2193         init_timer(&korg1212->timer);
2194         korg1212->timer.function = snd_korg1212_timer_func;
2195         korg1212->timer.data = (unsigned long)korg1212;
2196
2197         korg1212->irq = -1;
2198         korg1212->clkSource = K1212_CLKIDX_Local;
2199         korg1212->clkRate = 44100;
2200         korg1212->inIRQ = 0;
2201         korg1212->running = 0;
2202         korg1212->opencnt = 0;
2203         korg1212->playcnt = 0;
2204         korg1212->setcnt = 0;
2205         korg1212->totalerrorcnt = 0;
2206         korg1212->playback_pid = -1;
2207         korg1212->capture_pid = -1;
2208         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2209         korg1212->idleMonitorOn = 0;
2210         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2211         korg1212->leftADCInSens = k1212MaxADCSens;
2212         korg1212->rightADCInSens = k1212MaxADCSens;
2213
2214         for (i=0; i<kAudioChannels; i++)
2215                 korg1212->volumePhase[i] = 0;
2216
2217         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2218                 kfree(korg1212);
2219                 pci_disable_device(pci);
2220                 return err;
2221         }
2222
2223         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2224         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2225         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2226
2227         iomem_size = pci_resource_len(korg1212->pci, 0);
2228         ioport_size = pci_resource_len(korg1212->pci, 1);
2229         iomem2_size = pci_resource_len(korg1212->pci, 2);
2230
2231         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2232                    "    iomem = 0x%lx (%d)\n"
2233                    "    ioport  = 0x%lx (%d)\n"
2234                    "    iomem = 0x%lx (%d)\n"
2235                    "    [%s]\n",
2236                    korg1212->iomem, iomem_size,
2237                    korg1212->ioport, ioport_size,
2238                    korg1212->iomem2, iomem2_size,
2239                    stateName[korg1212->cardState]);
2240
2241         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2242                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2243                            korg1212->iomem + iomem_size - 1);
2244                 snd_korg1212_free(korg1212);
2245                 return -EBUSY;
2246         }
2247
2248         err = request_irq(pci->irq, snd_korg1212_interrupt,
2249                           IRQF_SHARED,
2250                           "korg1212", korg1212);
2251
2252         if (err) {
2253                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2254                 snd_korg1212_free(korg1212);
2255                 return -EBUSY;
2256         }
2257
2258         korg1212->irq = pci->irq;
2259
2260         pci_set_master(korg1212->pci);
2261
2262         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2263         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2264         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2265         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2266         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2267         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2268         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2269         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2270         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2271         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2272
2273         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2274                    "    Status register = 0x%p\n"
2275                    "    OutDoorbell     = 0x%p\n"
2276                    "    InDoorbell      = 0x%p\n"
2277                    "    Mailbox0        = 0x%p\n"
2278                    "    Mailbox1        = 0x%p\n"
2279                    "    Mailbox2        = 0x%p\n"
2280                    "    Mailbox3        = 0x%p\n"
2281                    "    ControlReg      = 0x%p\n"
2282                    "    SensReg         = 0x%p\n"
2283                    "    IDReg           = 0x%p\n"
2284                    "    [%s]\n",
2285                    korg1212->statusRegPtr,
2286                    korg1212->outDoorbellPtr,
2287                    korg1212->inDoorbellPtr,
2288                    korg1212->mailbox0Ptr,
2289                    korg1212->mailbox1Ptr,
2290                    korg1212->mailbox2Ptr,
2291                    korg1212->mailbox3Ptr,
2292                    korg1212->controlRegPtr,
2293                    korg1212->sensRegPtr,
2294                    korg1212->idRegPtr,
2295                    stateName[korg1212->cardState]);
2296
2297         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2298                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2299                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2300                 snd_korg1212_free(korg1212);
2301                 return -ENOMEM;
2302         }
2303         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2304         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2305
2306         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2307
2308 #ifndef K1212_LARGEALLOC
2309
2310         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2311
2312         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2313                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2314                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2315                 snd_korg1212_free(korg1212);
2316                 return -ENOMEM;
2317         }
2318         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2319         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2320
2321         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2322                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2323
2324         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2325                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2326                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2327                 snd_korg1212_free(korg1212);
2328                 return -ENOMEM;
2329         }
2330         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2331         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2332
2333         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2334                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2335
2336 #else // K1212_LARGEALLOC
2337
2338         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2339         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2340         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2341         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2342
2343 #endif // K1212_LARGEALLOC
2344
2345         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2346                 offsetof(struct KorgSharedBuffer, volumeData);
2347         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2348                 offsetof(struct KorgSharedBuffer, routeData);
2349         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2350                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2351
2352 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2353         dsp_code = &static_dsp_code;
2354 #else
2355         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2356         if (err < 0) {
2357                 release_firmware(dsp_code);
2358                 snd_printk(KERN_ERR "firmware not available\n");
2359                 snd_korg1212_free(korg1212);
2360                 return err;
2361         }
2362 #endif
2363
2364         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2365                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2366                 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2367                 snd_korg1212_free(korg1212);
2368 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2369                 release_firmware(dsp_code);
2370 #endif
2371                 return -ENOMEM;
2372         }
2373
2374         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2375                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2376                    stateName[korg1212->cardState]);
2377
2378         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2379
2380 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2381         release_firmware(dsp_code);
2382 #endif
2383
2384         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2385
2386         if (rc)
2387                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2388
2389         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2390                 snd_korg1212_free(korg1212);
2391                 return err;
2392         }
2393
2394         snd_korg1212_EnableCardInterrupts(korg1212);
2395
2396         mdelay(CARD_BOOT_DELAY_IN_MS);
2397
2398         if (snd_korg1212_downloadDSPCode(korg1212))
2399                 return -EBUSY;
2400
2401         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2402                "PlayDataPhy = %08x L[%08x]\n"
2403                "korg1212: RecDataPhy = %08x L[%08x], "
2404                "VolumeTablePhy = %08x L[%08x]\n"
2405                "korg1212: RoutingTablePhy = %08x L[%08x], "
2406                "AdatTimeCodePhy = %08x L[%08x]\n",
2407                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2408                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2409                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2410                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2411                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2412                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2413
2414         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2415                 return err;
2416
2417         korg1212->pcm->private_data = korg1212;
2418         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2419         strcpy(korg1212->pcm->name, "korg1212");
2420
2421         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2422
2423         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2424
2425         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2426
2427         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2428                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2429                 if (err < 0)
2430                         return err;
2431         }
2432
2433         snd_korg1212_proc_init(korg1212);
2434
2435         snd_card_set_dev(card, &pci->dev);
2436
2437         * rchip = korg1212;
2438         return 0;
2439
2440 }
2441
2442 /*
2443  * Card initialisation
2444  */
2445
2446 static int __devinit
2447 snd_korg1212_probe(struct pci_dev *pci,
2448                 const struct pci_device_id *pci_id)
2449 {
2450         static int dev;
2451         struct snd_korg1212 *korg1212;
2452         struct snd_card *card;
2453         int err;
2454
2455         if (dev >= SNDRV_CARDS) {
2456                 return -ENODEV;
2457         }
2458         if (!enable[dev]) {
2459                 dev++;
2460                 return -ENOENT;
2461         }
2462         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2463         if (card == NULL)
2464                 return -ENOMEM;
2465
2466         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2467                 snd_card_free(card);
2468                 return err;
2469         }
2470
2471         strcpy(card->driver, "korg1212");
2472         strcpy(card->shortname, "korg1212");
2473         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2474                 korg1212->iomem, korg1212->irq);
2475
2476         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2477
2478         if ((err = snd_card_register(card)) < 0) {
2479                 snd_card_free(card);
2480                 return err;
2481         }
2482         pci_set_drvdata(pci, card);
2483         dev++;
2484         return 0;
2485 }
2486
2487 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2488 {
2489         snd_card_free(pci_get_drvdata(pci));
2490         pci_set_drvdata(pci, NULL);
2491 }
2492
2493 static struct pci_driver driver = {
2494         .name = "korg1212",
2495         .id_table = snd_korg1212_ids,
2496         .probe = snd_korg1212_probe,
2497         .remove = __devexit_p(snd_korg1212_remove),
2498 };
2499
2500 static int __init alsa_card_korg1212_init(void)
2501 {
2502         return pci_register_driver(&driver);
2503 }
2504
2505 static void __exit alsa_card_korg1212_exit(void)
2506 {
2507         pci_unregister_driver(&driver);
2508 }
2509
2510 module_init(alsa_card_korg1212_init)
2511 module_exit(alsa_card_korg1212_exit)