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TOMOYO Linux Cross Reference
Linux/sound/pci/korg1212/korg1212.c

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  1 // SPDX-License-Identifier: GPL-2.0-or-later
  2 /*
  3  *   Driver for the Korg 1212 IO PCI card
  4  *
  5  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
  6  */
  7 
  8 #include <linux/delay.h>
  9 #include <linux/init.h>
 10 #include <linux/interrupt.h>
 11 #include <linux/pci.h>
 12 #include <linux/slab.h>
 13 #include <linux/wait.h>
 14 #include <linux/module.h>
 15 #include <linux/mutex.h>
 16 #include <linux/firmware.h>
 17 #include <linux/io.h>
 18 
 19 #include <sound/core.h>
 20 #include <sound/info.h>
 21 #include <sound/control.h>
 22 #include <sound/pcm.h>
 23 #include <sound/pcm_params.h>
 24 #include <sound/initval.h>
 25 
 26 // ----------------------------------------------------------------------------
 27 // Debug Stuff
 28 // ----------------------------------------------------------------------------
 29 #define K1212_DEBUG_LEVEL               0
 30 #if K1212_DEBUG_LEVEL > 0
 31 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
 32 #else
 33 #define K1212_DEBUG_PRINTK(fmt,...)     do { } while (0)
 34 #endif
 35 #if K1212_DEBUG_LEVEL > 1
 36 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
 37 #else
 38 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
 39 #endif
 40 
 41 // ----------------------------------------------------------------------------
 42 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
 43 // buffers are alocated as a large piece inside KorgSharedBuffer.
 44 // ----------------------------------------------------------------------------
 45 //#define K1212_LARGEALLOC              1
 46 
 47 // ----------------------------------------------------------------------------
 48 // Valid states of the Korg 1212 I/O card.
 49 // ----------------------------------------------------------------------------
 50 enum CardState {
 51    K1212_STATE_NONEXISTENT,             // there is no card here
 52    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
 53    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
 54    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
 55    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
 56                                         //    requests prior to this state should fail.  Only an open
 57                                         //    request can be made at this state.
 58    K1212_STATE_OPEN,                    // an application has opened the card
 59    K1212_STATE_SETUP,                   // the card has been setup for play
 60    K1212_STATE_PLAYING,                 // the card is playing
 61    K1212_STATE_MONITOR,                 // the card is in the monitor mode
 62    K1212_STATE_CALIBRATING,             // the card is currently calibrating
 63    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
 64                                         //    are in the process of cleaning things up.
 65    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
 66 };
 67 
 68 // ----------------------------------------------------------------------------
 69 // The following enumeration defines the constants written to the card's
 70 // host-to-card doorbell to initiate a command.
 71 // ----------------------------------------------------------------------------
 72 enum korg1212_dbcnst {
 73    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
 74    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
 75    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
 76    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
 77    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
 78    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
 79    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
 80    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
 81                                           //    timecode value.
 82    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
 83    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
 84    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
 85    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
 86                                           //    on page 4 (local page to card).
 87    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
 88                                           //    completed.
 89    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
 90 };
 91 
 92 
 93 // ----------------------------------------------------------------------------
 94 // The following enumeration defines return codes 
 95 // to the Korg 1212 I/O driver.
 96 // ----------------------------------------------------------------------------
 97 enum snd_korg1212rc {
 98    K1212_CMDRET_Success         = 0,   // command was successfully placed
 99    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
100    K1212_CMDRET_PMFailure,             // the protected mode call failed
101    K1212_CMDRET_FailUnspecified,       // unspecified failure
102    K1212_CMDRET_FailBadState,          // the specified command can not be given in
103                                        //    the card's current state. (or the wave device's
104                                        //    state)
105    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
106    K1212_CMDRET_BadIndex,              // an out of range card index was specified
107    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
108    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
109    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
110    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
111    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
112 
113    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
114    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
115 };
116 
117 // ----------------------------------------------------------------------------
118 // The following enumeration defines the constants used to select the play
119 // mode for the card in the SelectPlayMode command.
120 // ----------------------------------------------------------------------------
121 enum PlayModeSelector {
122    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
123    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
124    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
125    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
126 };
127 
128 // ----------------------------------------------------------------------------
129 // The following enumeration defines the constants used to select the monitor
130 // mode for the card in the SetMonitorMode command.
131 // ----------------------------------------------------------------------------
132 enum MonitorModeSelector {
133    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
134    K1212_MONMODE_On            // tells card to turn on monitor mode
135 };
136 
137 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
138 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
139 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
140 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
141 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
142 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
143 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
144 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
145                                         //    register
146 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
147                                         //    this is the upper word of the PCI control reg.
148 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
149 
150 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
151                                        //    to send a command before giving up.
152 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
153                                         //    the card.
154 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
155 
156 #define CARD_BOOT_DELAY_IN_MS  10
157 #define CARD_BOOT_TIMEOUT      10
158 #define DSP_BOOT_DELAY_IN_MS   200
159 
160 #define kNumBuffers             8
161 #define k1212MaxCards           4
162 #define k1212NumWaveDevices     6
163 #define k16BitChannels          10
164 #define k32BitChannels          2
165 #define kAudioChannels          (k16BitChannels + k32BitChannels)
166 #define kPlayBufferFrames       1024
167 
168 #define K1212_ANALOG_CHANNELS   2
169 #define K1212_SPDIF_CHANNELS    2
170 #define K1212_ADAT_CHANNELS     8
171 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
172 #define K1212_MIN_CHANNELS      1
173 #define K1212_MAX_CHANNELS      K1212_CHANNELS
174 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
175 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
176 #define K1212_PERIODS           (kNumBuffers)
177 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
178 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
179 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
180 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
181 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
182 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
183 
184 #define k1212MinADCSens     0x00
185 #define k1212MaxADCSens     0x7f
186 #define k1212MaxVolume      0x7fff
187 #define k1212MaxWaveVolume  0xffff
188 #define k1212MinVolume      0x0000
189 #define k1212MaxVolInverted 0x8000
190 
191 // -----------------------------------------------------------------
192 // the following bits are used for controlling interrupts in the
193 // interrupt control/status reg
194 // -----------------------------------------------------------------
195 #define  PCI_INT_ENABLE_BIT               0x00000100
196 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
197 #define  LOCAL_INT_ENABLE_BIT             0x00010000
198 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
199 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
200 
201 // -----------------------------------------------------------------
202 // the following bits are defined for the PCI command register
203 // -----------------------------------------------------------------
204 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
205 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
206 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
207 
208 // -----------------------------------------------------------------
209 // the following bits are defined for the PCI status register
210 // -----------------------------------------------------------------
211 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
212 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
213 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
214 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
215 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
216 
217 // ------------------------------------------------------------------------
218 // the following constants are used in setting the 1212 I/O card's input
219 // sensitivity.
220 // ------------------------------------------------------------------------
221 #define  SET_SENS_LOCALINIT_BITPOS        15
222 #define  SET_SENS_DATA_BITPOS             10
223 #define  SET_SENS_CLOCK_BITPOS            8
224 #define  SET_SENS_LOADSHIFT_BITPOS        0
225 
226 #define  SET_SENS_LEFTCHANID              0x00
227 #define  SET_SENS_RIGHTCHANID             0x01
228 
229 #define  K1212SENSUPDATE_DELAY_IN_MS      50
230 
231 // --------------------------------------------------------------------------
232 // WaitRTCTicks
233 //
234 //    This function waits the specified number of real time clock ticks.
235 //    According to the DDK, each tick is ~0.8 microseconds.
236 //    The defines following the function declaration can be used for the
237 //    numTicksToWait parameter.
238 // --------------------------------------------------------------------------
239 #define ONE_RTC_TICK         1
240 #define SENSCLKPULSE_WIDTH   4
241 #define LOADSHIFT_DELAY      4
242 #define INTERCOMMAND_DELAY  40
243 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
244                                        //    the command register.  (could be up to 180 us)
245 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
246                                        //    from the card after sending a command.
247 
248 enum ClockSourceIndex {
249    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
250    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
251    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
252    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
253    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
254    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
255    K1212_CLKIDX_Invalid             // used to check validity of the index
256 };
257 
258 enum ClockSourceType {
259    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
260    K1212_CLKIDX_Word,        // selects source as S/PDIF
261    K1212_CLKIDX_Local        // selects source as local clock
262 };
263 
264 struct KorgAudioFrame {
265         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
266         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
267         u32 timeCodeVal; /* holds the ADAT timecode value */
268 };
269 
270 struct KorgAudioBuffer {
271         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
272 };
273 
274 struct KorgSharedBuffer {
275 #ifdef K1212_LARGEALLOC
276    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
277    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
278 #endif
279    short             volumeData[kAudioChannels];
280    u32               cardCommand;
281    u16               routeData [kAudioChannels];
282    u32               AdatTimeCode;                 // ADAT timecode value
283 };
284 
285 struct SensBits {
286    union {
287       struct {
288          unsigned int leftChanVal:8;
289          unsigned int leftChanId:8;
290       } v;
291       u16  leftSensBits;
292    } l;
293    union {
294       struct {
295          unsigned int rightChanVal:8;
296          unsigned int rightChanId:8;
297       } v;
298       u16  rightSensBits;
299    } r;
300 };
301 
302 struct snd_korg1212 {
303         struct snd_card *card;
304         struct pci_dev *pci;
305         struct snd_pcm *pcm;
306         int irq;
307 
308         spinlock_t    lock;
309         struct mutex open_mutex;
310 
311         struct timer_list timer;        /* timer callback for checking ack of stop request */
312         int stop_pending_cnt;           /* counter for stop pending check */
313 
314         wait_queue_head_t wait;
315 
316         unsigned long iomem;
317         unsigned long ioport;
318         unsigned long iomem2;
319         unsigned long irqcount;
320         unsigned long inIRQ;
321         void __iomem *iobase;
322 
323         struct snd_dma_buffer dma_dsp;
324         struct snd_dma_buffer dma_play;
325         struct snd_dma_buffer dma_rec;
326         struct snd_dma_buffer dma_shared;
327 
328         u32 DataBufsSize;
329 
330         struct KorgAudioBuffer  * playDataBufsPtr;
331         struct KorgAudioBuffer  * recordDataBufsPtr;
332 
333         struct KorgSharedBuffer * sharedBufferPtr;
334 
335         u32 RecDataPhy;
336         u32 PlayDataPhy;
337         unsigned long sharedBufferPhy;
338         u32 VolumeTablePhy;
339         u32 RoutingTablePhy;
340         u32 AdatTimeCodePhy;
341 
342         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
343         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
344         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
345         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
346         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
347         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
348         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
349         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
350         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
351         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
352 
353         size_t periodsize;
354         int channels;
355         int currentBuffer;
356 
357         struct snd_pcm_substream *playback_substream;
358         struct snd_pcm_substream *capture_substream;
359 
360         pid_t capture_pid;
361         pid_t playback_pid;
362 
363         enum CardState cardState;
364         int running;
365         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
366         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
367 
368         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
369 
370         enum ClockSourceType clkSource;   // clock source
371         int clkRate;                 // clock rate
372 
373         int volumePhase[kAudioChannels];
374 
375         u16 leftADCInSens;           // ADC left channel input sensitivity
376         u16 rightADCInSens;          // ADC right channel input sensitivity
377 
378         int opencnt;                 // Open/Close count
379         int setcnt;                  // SetupForPlay count
380         int playcnt;                 // TriggerPlay count
381         int errorcnt;                // Error Count
382         unsigned long totalerrorcnt; // Total Error Count
383 
384         int dsp_is_loaded;
385         int dsp_stop_is_processed;
386 
387 };
388 
389 MODULE_DESCRIPTION("korg1212");
390 MODULE_LICENSE("GPL");
391 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
392 MODULE_FIRMWARE("korg/k1212.dsp");
393 
394 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
395 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
396 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
397 
398 module_param_array(index, int, NULL, 0444);
399 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
400 module_param_array(id, charp, NULL, 0444);
401 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
402 module_param_array(enable, bool, NULL, 0444);
403 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
404 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
405 
406 static const struct pci_device_id snd_korg1212_ids[] = {
407         {
408                 .vendor    = 0x10b5,
409                 .device    = 0x906d,
410                 .subvendor = PCI_ANY_ID,
411                 .subdevice = PCI_ANY_ID,
412         },
413         { 0, },
414 };
415 
416 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
417 
418 static const char * const stateName[] = {
419         "Non-existent",
420         "Uninitialized",
421         "DSP download in process",
422         "DSP download complete",
423         "Ready",
424         "Open",
425         "Setup for play",
426         "Playing",
427         "Monitor mode on",
428         "Calibrating",
429         "Invalid"
430 };
431 
432 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
433 
434 static const char * const clockSourceName[] = {
435         "ADAT at 44.1 kHz",
436         "ADAT at 48 kHz",
437         "S/PDIF at 44.1 kHz",
438         "S/PDIF at 48 kHz",
439         "local clock at 44.1 kHz",
440         "local clock at 48 kHz"
441 };
442 
443 static const char * const channelName[] = {
444         "ADAT-1",
445         "ADAT-2",
446         "ADAT-3",
447         "ADAT-4",
448         "ADAT-5",
449         "ADAT-6",
450         "ADAT-7",
451         "ADAT-8",
452         "Analog-L",
453         "Analog-R",
454         "SPDIF-L",
455         "SPDIF-R",
456 };
457 
458 static const u16 ClockSourceSelector[] = {
459         0x8000,   // selects source as ADAT at 44.1 kHz
460         0x0000,   // selects source as ADAT at 48 kHz
461         0x8001,   // selects source as S/PDIF at 44.1 kHz
462         0x0001,   // selects source as S/PDIF at 48 kHz
463         0x8002,   // selects source as local clock at 44.1 kHz
464         0x0002    // selects source as local clock at 48 kHz
465 };
466 
467 union swap_u32 { unsigned char c[4]; u32 i; };
468 
469 #ifdef SNDRV_BIG_ENDIAN
470 static u32 LowerWordSwap(u32 swappee)
471 #else
472 static u32 UpperWordSwap(u32 swappee)
473 #endif
474 {
475    union swap_u32 retVal, swapper;
476 
477    swapper.i = swappee;
478    retVal.c[2] = swapper.c[3];
479    retVal.c[3] = swapper.c[2];
480    retVal.c[1] = swapper.c[1];
481    retVal.c[0] = swapper.c[0];
482 
483    return retVal.i;
484 }
485 
486 #ifdef SNDRV_BIG_ENDIAN
487 static u32 UpperWordSwap(u32 swappee)
488 #else
489 static u32 LowerWordSwap(u32 swappee)
490 #endif
491 {
492    union swap_u32 retVal, swapper;
493 
494    swapper.i = swappee;
495    retVal.c[2] = swapper.c[2];
496    retVal.c[3] = swapper.c[3];
497    retVal.c[1] = swapper.c[0];
498    retVal.c[0] = swapper.c[1];
499 
500    return retVal.i;
501 }
502 
503 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
504 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
505 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
506 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
507 
508 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
509                                         enum korg1212_dbcnst doorbellVal,
510                                         u32 mailBox0Val, u32 mailBox1Val,
511                                         u32 mailBox2Val, u32 mailBox3Val)
512 {
513         u32 retryCount;
514         u16 mailBox3Lo;
515         int rc = K1212_CMDRET_Success;
516 
517         if (!korg1212->outDoorbellPtr) {
518                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
519                 return K1212_CMDRET_CardUninitialized;
520         }
521 
522         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
523                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
524         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
525                 writel(mailBox3Val, korg1212->mailbox3Ptr);
526                 writel(mailBox2Val, korg1212->mailbox2Ptr);
527                 writel(mailBox1Val, korg1212->mailbox1Ptr);
528                 writel(mailBox0Val, korg1212->mailbox0Ptr);
529                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
530 
531                 // --------------------------------------------------------------
532                 // the reboot command will not give an acknowledgement.
533                 // --------------------------------------------------------------
534                 if ( doorbellVal == K1212_DB_RebootCard ||
535                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
536                         doorbellVal == K1212_DB_StartDSPDownload ) {
537                         rc = K1212_CMDRET_Success;
538                         break;
539                 }
540 
541                 // --------------------------------------------------------------
542                 // See if the card acknowledged the command.  Wait a bit, then
543                 // read in the low word of mailbox3.  If the MSB is set and the
544                 // low byte is equal to the doorbell value, then it ack'd.
545                 // --------------------------------------------------------------
546                 udelay(COMMAND_ACK_DELAY);
547                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
548                 if (mailBox3Lo & COMMAND_ACK_MASK) {
549                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
550                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
551                                 rc = K1212_CMDRET_Success;
552                                 break;
553                         }
554                 }
555         }
556         korg1212->cmdRetryCount += retryCount;
557 
558         if (retryCount >= MAX_COMMAND_RETRIES) {
559                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
560                 rc = K1212_CMDRET_NoAckFromCard;
561         }
562 
563         return rc;
564 }
565 
566 /* spinlock already held */
567 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
568 {
569         if (! korg1212->stop_pending_cnt) {
570                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
571                 /* program the timer */
572                 korg1212->stop_pending_cnt = HZ;
573                 mod_timer(&korg1212->timer, jiffies + 1);
574         }
575 }
576 
577 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
578 {
579         unsigned long flags;
580         spin_lock_irqsave(&korg1212->lock, flags);
581         korg1212->dsp_stop_is_processed = 0;
582         snd_korg1212_SendStop(korg1212);
583         spin_unlock_irqrestore(&korg1212->lock, flags);
584         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
585 }
586 
587 /* timer callback for checking the ack of stop request */
588 static void snd_korg1212_timer_func(struct timer_list *t)
589 {
590         struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
591         unsigned long flags;
592         
593         spin_lock_irqsave(&korg1212->lock, flags);
594         if (korg1212->sharedBufferPtr->cardCommand == 0) {
595                 /* ack'ed */
596                 korg1212->stop_pending_cnt = 0;
597                 korg1212->dsp_stop_is_processed = 1;
598                 wake_up(&korg1212->wait);
599                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
600                                            stateName[korg1212->cardState]);
601         } else {
602                 if (--korg1212->stop_pending_cnt > 0) {
603                         /* reprogram timer */
604                         mod_timer(&korg1212->timer, jiffies + 1);
605                 } else {
606                         snd_printd("korg1212_timer_func timeout\n");
607                         korg1212->sharedBufferPtr->cardCommand = 0;
608                         korg1212->dsp_stop_is_processed = 1;
609                         wake_up(&korg1212->wait);
610                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
611                                            stateName[korg1212->cardState]);
612                 }
613         }
614         spin_unlock_irqrestore(&korg1212->lock, flags);
615 }
616 
617 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
618 {
619         unsigned long flags;
620         int rc;
621 
622         udelay(INTERCOMMAND_DELAY);
623         spin_lock_irqsave(&korg1212->lock, flags);
624         korg1212->idleMonitorOn = 1;
625         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
626                                           K1212_MODE_MonitorOn, 0, 0, 0);
627         spin_unlock_irqrestore(&korg1212->lock, flags);
628         return rc;
629 }
630 
631 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
632 {
633         if (korg1212->idleMonitorOn) {
634                 snd_korg1212_SendStopAndWait(korg1212);
635                 korg1212->idleMonitorOn = 0;
636         }
637 }
638 
639 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
640 {
641         korg1212->cardState = csState;
642 }
643 
644 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
645 {
646         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
647                            stateName[korg1212->cardState], korg1212->opencnt);
648         mutex_lock(&korg1212->open_mutex);
649         if (korg1212->opencnt++ == 0) {
650                 snd_korg1212_TurnOffIdleMonitor(korg1212);
651                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
652         }
653 
654         mutex_unlock(&korg1212->open_mutex);
655         return 1;
656 }
657 
658 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
659 {
660         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
661                            stateName[korg1212->cardState], korg1212->opencnt);
662 
663         mutex_lock(&korg1212->open_mutex);
664         if (--(korg1212->opencnt)) {
665                 mutex_unlock(&korg1212->open_mutex);
666                 return 0;
667         }
668 
669         if (korg1212->cardState == K1212_STATE_SETUP) {
670                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
671                                 K1212_MODE_StopPlay, 0, 0, 0);
672                 if (rc)
673                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
674                                            rc, stateName[korg1212->cardState]);
675                 if (rc != K1212_CMDRET_Success) {
676                         mutex_unlock(&korg1212->open_mutex);
677                         return 0;
678                 }
679         } else if (korg1212->cardState > K1212_STATE_SETUP) {
680                 snd_korg1212_SendStopAndWait(korg1212);
681         }
682 
683         if (korg1212->cardState > K1212_STATE_READY) {
684                 snd_korg1212_TurnOnIdleMonitor(korg1212);
685                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
686         }
687 
688         mutex_unlock(&korg1212->open_mutex);
689         return 0;
690 }
691 
692 /* spinlock already held */
693 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
694 {
695         int rc;
696 
697         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
698                            stateName[korg1212->cardState], korg1212->setcnt);
699 
700         if (korg1212->setcnt++)
701                 return 0;
702 
703         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
704         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
705                                         K1212_MODE_SetupPlay, 0, 0, 0);
706         if (rc)
707                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
708                                    rc, stateName[korg1212->cardState]);
709         if (rc != K1212_CMDRET_Success) {
710                 return 1;
711         }
712         return 0;
713 }
714 
715 /* spinlock already held */
716 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
717 {
718         int rc;
719 
720         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
721                            stateName[korg1212->cardState], korg1212->playcnt);
722 
723         if (korg1212->playcnt++)
724                 return 0;
725 
726         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
727         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
728         if (rc)
729                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
730                                    rc, stateName[korg1212->cardState]);
731         if (rc != K1212_CMDRET_Success) {
732                 return 1;
733         }
734         return 0;
735 }
736 
737 /* spinlock already held */
738 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
739 {
740         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
741                            stateName[korg1212->cardState], korg1212->playcnt);
742 
743         if (--(korg1212->playcnt)) 
744                 return 0;
745 
746         korg1212->setcnt = 0;
747 
748         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
749                 snd_korg1212_SendStop(korg1212);
750 
751         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
752         return 0;
753 }
754 
755 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
756 {
757         writel(PCI_INT_ENABLE_BIT            |
758                PCI_DOORBELL_INT_ENABLE_BIT   |
759                LOCAL_INT_ENABLE_BIT          |
760                LOCAL_DOORBELL_INT_ENABLE_BIT |
761                LOCAL_DMA1_INT_ENABLE_BIT,
762                korg1212->statusRegPtr);
763 }
764 
765 #if 0 /* not used */
766 
767 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
768                                        enum MonitorModeSelector mode)
769 {
770         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
771                            stateName[korg1212->cardState]);
772 
773         switch (mode) {
774         case K1212_MONMODE_Off:
775                 if (korg1212->cardState != K1212_STATE_MONITOR)
776                         return 0;
777                 else {
778                         snd_korg1212_SendStopAndWait(korg1212);
779                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
780                 }
781                 break;
782 
783         case K1212_MONMODE_On:
784                 if (korg1212->cardState != K1212_STATE_OPEN)
785                         return 0;
786                 else {
787                         int rc;
788                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
789                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
790                                                           K1212_MODE_MonitorOn, 0, 0, 0);
791                         if (rc != K1212_CMDRET_Success)
792                                 return 0;
793                 }
794                 break;
795 
796         default:
797                 return 0;
798         }
799 
800         return 1;
801 }
802 
803 #endif /* not used */
804 
805 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
806 {
807         if (korg1212->playback_pid != korg1212->capture_pid &&
808             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
809                 return 0;
810 
811         return 1;
812 }
813 
814 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
815 {
816         static const enum ClockSourceIndex s44[] = {
817                 K1212_CLKIDX_AdatAt44_1K,
818                 K1212_CLKIDX_WordAt44_1K,
819                 K1212_CLKIDX_LocalAt44_1K
820         };
821         static const enum ClockSourceIndex s48[] = {
822                 K1212_CLKIDX_AdatAt48K,
823                 K1212_CLKIDX_WordAt48K,
824                 K1212_CLKIDX_LocalAt48K
825         };
826         int parm, rc;
827 
828         if (!snd_korg1212_use_is_exclusive (korg1212))
829                 return -EBUSY;
830 
831         switch (rate) {
832         case 44100:
833                 parm = s44[korg1212->clkSource];
834                 break;
835 
836         case 48000:
837                 parm = s48[korg1212->clkSource];
838                 break;
839 
840         default:
841                 return -EINVAL;
842         }
843 
844         korg1212->clkSrcRate = parm;
845         korg1212->clkRate = rate;
846 
847         udelay(INTERCOMMAND_DELAY);
848         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
849                                           ClockSourceSelector[korg1212->clkSrcRate],
850                                           0, 0, 0);
851         if (rc)
852                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
853                                    rc, stateName[korg1212->cardState]);
854 
855         return 0;
856 }
857 
858 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
859 {
860 
861         if (source < 0 || source > 2)
862                 return -EINVAL;
863 
864         korg1212->clkSource = source;
865 
866         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
867 
868         return 0;
869 }
870 
871 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
872 {
873         writel(0, korg1212->statusRegPtr);
874 }
875 
876 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
877 {
878         struct SensBits  sensVals;
879         int       bitPosition;
880         int       channel;
881         int       clkIs48K;
882         int       monModeSet;
883         u16       controlValue;    // this keeps the current value to be written to
884                                    //  the card's eeprom control register.
885         u16       count;
886         unsigned long flags;
887 
888         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
889                            stateName[korg1212->cardState]);
890 
891         // ----------------------------------------------------------------------------
892         // initialize things.  The local init bit is always set when writing to the
893         // card's control register.
894         // ----------------------------------------------------------------------------
895         controlValue = 0;
896         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
897 
898         // ----------------------------------------------------------------------------
899         // make sure the card is not in monitor mode when we do this update.
900         // ----------------------------------------------------------------------------
901         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
902                 monModeSet = 1;
903                 snd_korg1212_SendStopAndWait(korg1212);
904         } else
905                 monModeSet = 0;
906 
907         spin_lock_irqsave(&korg1212->lock, flags);
908 
909         // ----------------------------------------------------------------------------
910         // we are about to send new values to the card, so clear the new values queued
911         // flag.  Also, clear out mailbox 3, so we don't lockup.
912         // ----------------------------------------------------------------------------
913         writel(0, korg1212->mailbox3Ptr);
914         udelay(LOADSHIFT_DELAY);
915 
916         // ----------------------------------------------------------------------------
917         // determine whether we are running a 48K or 44.1K clock.  This info is used
918         // later when setting the SPDIF FF after the volume has been shifted in.
919         // ----------------------------------------------------------------------------
920         switch (korg1212->clkSrcRate) {
921                 case K1212_CLKIDX_AdatAt44_1K:
922                 case K1212_CLKIDX_WordAt44_1K:
923                 case K1212_CLKIDX_LocalAt44_1K:
924                         clkIs48K = 0;
925                         break;
926 
927                 case K1212_CLKIDX_WordAt48K:
928                 case K1212_CLKIDX_AdatAt48K:
929                 case K1212_CLKIDX_LocalAt48K:
930                 default:
931                         clkIs48K = 1;
932                         break;
933         }
934 
935         // ----------------------------------------------------------------------------
936         // start the update.  Setup the bit structure and then shift the bits.
937         // ----------------------------------------------------------------------------
938         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
939         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
940         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
941         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
942 
943         // ----------------------------------------------------------------------------
944         // now start shifting the bits in.  Start with the left channel then the right.
945         // ----------------------------------------------------------------------------
946         for (channel = 0; channel < 2; channel++) {
947 
948                 // ----------------------------------------------------------------------------
949                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
950                 // shift low to the first rising edge of the clock.
951                 // ----------------------------------------------------------------------------
952                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
953                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
954                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
955                 udelay(LOADSHIFT_DELAY);
956 
957                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
958                         if (channel == 0) {
959                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
960                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
961                                 else
962                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
963                         } else {
964                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
965                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
966                                 else
967                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
968                         }
969 
970                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
971                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
972                         udelay(SENSCLKPULSE_WIDTH);
973                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
974                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
975                         udelay(SENSCLKPULSE_WIDTH);
976                 }
977 
978                 // ----------------------------------------------------------------------------
979                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
980                 // bit if the clock rate is 48K otherwise write 0.
981                 // ----------------------------------------------------------------------------
982                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
983                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
984                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
985                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
986                 udelay(SENSCLKPULSE_WIDTH);
987 
988                 if (clkIs48K)
989                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
990 
991                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
992                 udelay(ONE_RTC_TICK);
993                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
994                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
995                 udelay(SENSCLKPULSE_WIDTH);
996                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
997                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
998                 udelay(SENSCLKPULSE_WIDTH);
999         }
1000 
1001         // ----------------------------------------------------------------------------
1002         // The update is complete.  Set a timeout.  This is the inter-update delay.
1003         // Also, if the card was in monitor mode, restore it.
1004         // ----------------------------------------------------------------------------
1005         for (count = 0; count < 10; count++)
1006                 udelay(SENSCLKPULSE_WIDTH);
1007 
1008         if (monModeSet) {
1009                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1010                                 K1212_MODE_MonitorOn, 0, 0, 0);
1011                 if (rc)
1012                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1013                                            rc, stateName[korg1212->cardState]);
1014         }
1015 
1016         spin_unlock_irqrestore(&korg1212->lock, flags);
1017 
1018         return 1;
1019 }
1020 
1021 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1022 {
1023         int channel, rc;
1024 
1025         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1026                            stateName[korg1212->cardState]);
1027 
1028         // ----------------------------------------------------
1029         // tell the card to boot
1030         // ----------------------------------------------------
1031         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1032 
1033         if (rc)
1034                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1035                                    rc, stateName[korg1212->cardState]);
1036         msleep(DSP_BOOT_DELAY_IN_MS);
1037 
1038         // --------------------------------------------------------------------------------
1039         // Let the card know where all the buffers are.
1040         // --------------------------------------------------------------------------------
1041         rc = snd_korg1212_Send1212Command(korg1212,
1042                         K1212_DB_ConfigureBufferMemory,
1043                         LowerWordSwap(korg1212->PlayDataPhy),
1044                         LowerWordSwap(korg1212->RecDataPhy),
1045                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1046                                                                    // is based on 2 buffers
1047                         0
1048         );
1049 
1050         if (rc)
1051                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1052                                    rc, stateName[korg1212->cardState]);
1053 
1054         udelay(INTERCOMMAND_DELAY);
1055 
1056         rc = snd_korg1212_Send1212Command(korg1212,
1057                         K1212_DB_ConfigureMiscMemory,
1058                         LowerWordSwap(korg1212->VolumeTablePhy),
1059                         LowerWordSwap(korg1212->RoutingTablePhy),
1060                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1061                         0
1062         );
1063 
1064         if (rc)
1065                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1066                                    rc, stateName[korg1212->cardState]);
1067 
1068         // --------------------------------------------------------------------------------
1069         // Initialize the routing and volume tables, then update the card's state.
1070         // --------------------------------------------------------------------------------
1071         udelay(INTERCOMMAND_DELAY);
1072 
1073         for (channel = 0; channel < kAudioChannels; channel++) {
1074                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1075                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1076                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1077         }
1078 
1079         snd_korg1212_WriteADCSensitivity(korg1212);
1080 
1081         udelay(INTERCOMMAND_DELAY);
1082         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1083                                           ClockSourceSelector[korg1212->clkSrcRate],
1084                                           0, 0, 0);
1085         if (rc)
1086                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1087                                    rc, stateName[korg1212->cardState]);
1088 
1089         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1090         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1091 
1092         if (rc)
1093                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1094                                    rc, stateName[korg1212->cardState]);
1095 
1096         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1097 }
1098 
1099 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1100 {
1101         u32 doorbellValue;
1102         struct snd_korg1212 *korg1212 = dev_id;
1103 
1104         doorbellValue = readl(korg1212->inDoorbellPtr);
1105 
1106         if (!doorbellValue)
1107                 return IRQ_NONE;
1108 
1109         spin_lock(&korg1212->lock);
1110 
1111         writel(doorbellValue, korg1212->inDoorbellPtr);
1112 
1113         korg1212->irqcount++;
1114 
1115         korg1212->inIRQ++;
1116 
1117         switch (doorbellValue) {
1118                 case K1212_DB_DSPDownloadDone:
1119                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1120                                            korg1212->irqcount, doorbellValue,
1121                                            stateName[korg1212->cardState]);
1122                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1123                                 korg1212->dsp_is_loaded = 1;
1124                                 wake_up(&korg1212->wait);
1125                         }
1126                         break;
1127 
1128                 // ------------------------------------------------------------------------
1129                 // an error occurred - stop the card
1130                 // ------------------------------------------------------------------------
1131                 case K1212_DB_DMAERROR:
1132                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1133                                                    korg1212->irqcount, doorbellValue,
1134                                                    stateName[korg1212->cardState]);
1135                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1136                         korg1212->errorcnt++;
1137                         korg1212->totalerrorcnt++;
1138                         korg1212->sharedBufferPtr->cardCommand = 0;
1139                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1140                         break;
1141 
1142                 // ------------------------------------------------------------------------
1143                 // the card has stopped by our request.  Clear the command word and signal
1144                 // the semaphore in case someone is waiting for this.
1145                 // ------------------------------------------------------------------------
1146                 case K1212_DB_CARDSTOPPED:
1147                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1148                                                    korg1212->irqcount, doorbellValue,
1149                                                    stateName[korg1212->cardState]);
1150                         korg1212->sharedBufferPtr->cardCommand = 0;
1151                         break;
1152 
1153                 default:
1154                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1155                                korg1212->irqcount, doorbellValue, 
1156                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1157                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1158                                 korg1212->currentBuffer++;
1159 
1160                                 if (korg1212->currentBuffer >= kNumBuffers)
1161                                         korg1212->currentBuffer = 0;
1162 
1163                                 if (!korg1212->running)
1164                                         break;
1165 
1166                                 if (korg1212->capture_substream) {
1167                                         spin_unlock(&korg1212->lock);
1168                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1169                                         spin_lock(&korg1212->lock);
1170                                 }
1171 
1172                                 if (korg1212->playback_substream) {
1173                                         spin_unlock(&korg1212->lock);
1174                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1175                                         spin_lock(&korg1212->lock);
1176                                 }
1177                         }
1178                         break;
1179         }
1180 
1181         korg1212->inIRQ--;
1182 
1183         spin_unlock(&korg1212->lock);
1184 
1185         return IRQ_HANDLED;
1186 }
1187 
1188 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1189 {
1190         int rc;
1191 
1192         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1193                            stateName[korg1212->cardState]);
1194 
1195         // ---------------------------------------------------------------
1196         // verify the state of the card before proceeding.
1197         // ---------------------------------------------------------------
1198         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1199                 return 1;
1200 
1201         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1202 
1203         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1204                                      UpperWordSwap(korg1212->dma_dsp.addr),
1205                                      0, 0, 0);
1206         if (rc)
1207                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1208                                    rc, stateName[korg1212->cardState]);
1209 
1210         korg1212->dsp_is_loaded = 0;
1211         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1212         if (! korg1212->dsp_is_loaded )
1213                 return -EBUSY; /* timeout */
1214 
1215         snd_korg1212_OnDSPDownloadComplete(korg1212);
1216 
1217         return 0;
1218 }
1219 
1220 static const struct snd_pcm_hardware snd_korg1212_playback_info =
1221 {
1222         .info =              (SNDRV_PCM_INFO_MMAP |
1223                               SNDRV_PCM_INFO_MMAP_VALID |
1224                               SNDRV_PCM_INFO_INTERLEAVED |
1225                               SNDRV_PCM_INFO_BATCH),
1226         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1227         .rates =              (SNDRV_PCM_RATE_44100 |
1228                               SNDRV_PCM_RATE_48000),
1229         .rate_min =           44100,
1230         .rate_max =           48000,
1231         .channels_min =       K1212_MIN_CHANNELS,
1232         .channels_max =       K1212_MAX_CHANNELS,
1233         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1234         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1235         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1236         .periods_min =        K1212_PERIODS,
1237         .periods_max =        K1212_PERIODS,
1238         .fifo_size =          0,
1239 };
1240 
1241 static const struct snd_pcm_hardware snd_korg1212_capture_info =
1242 {
1243         .info =              (SNDRV_PCM_INFO_MMAP |
1244                               SNDRV_PCM_INFO_MMAP_VALID |
1245                               SNDRV_PCM_INFO_INTERLEAVED |
1246                               SNDRV_PCM_INFO_BATCH),
1247         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1248         .rates =              (SNDRV_PCM_RATE_44100 |
1249                               SNDRV_PCM_RATE_48000),
1250         .rate_min =           44100,
1251         .rate_max =           48000,
1252         .channels_min =       K1212_MIN_CHANNELS,
1253         .channels_max =       K1212_MAX_CHANNELS,
1254         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1255         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1256         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1257         .periods_min =        K1212_PERIODS,
1258         .periods_max =        K1212_PERIODS,
1259         .fifo_size =          0,
1260 };
1261 
1262 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1263 {
1264         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1265         int i;
1266 
1267         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1268                                    pos, offset, size, count);
1269         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1270                 return -EINVAL;
1271 
1272         for (i=0; i < count; i++) {
1273 #if K1212_DEBUG_LEVEL > 0
1274                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1275                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1276                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1277                                dst, i);
1278                         return -EFAULT;
1279                 }
1280 #endif
1281                 memset((void*) dst + offset, 0, size);
1282                 dst++;
1283         }
1284 
1285         return 0;
1286 }
1287 
1288 static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1289                                 void __user *dst, int pos, int count,
1290                                 bool in_kernel)
1291 {
1292         struct snd_pcm_runtime *runtime = substream->runtime;
1293         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1294         struct KorgAudioFrame *src;
1295         int i, size;
1296 
1297         pos = bytes_to_frames(runtime, pos);
1298         count = bytes_to_frames(runtime, count);
1299         size = korg1212->channels * 2;
1300         src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1301         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1302                                    pos, size, count);
1303         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1304                 return -EINVAL;
1305 
1306         for (i=0; i < count; i++) {
1307 #if K1212_DEBUG_LEVEL > 0
1308                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1309                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1310                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1311                         return -EFAULT;
1312                 }
1313 #endif
1314                 if (in_kernel)
1315                         memcpy((__force void *)dst, src, size);
1316                 else if (copy_to_user(dst, src, size))
1317                         return -EFAULT;
1318                 src++;
1319                 dst += size;
1320         }
1321 
1322         return 0;
1323 }
1324 
1325 static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1326                                   void __user *src, int pos, int count,
1327                                   bool in_kernel)
1328 {
1329         struct snd_pcm_runtime *runtime = substream->runtime;
1330         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1331         struct KorgAudioFrame *dst;
1332         int i, size;
1333 
1334         pos = bytes_to_frames(runtime, pos);
1335         count = bytes_to_frames(runtime, count);
1336         size = korg1212->channels * 2;
1337         dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1338 
1339         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1340                                    pos, size, count);
1341 
1342         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1343                 return -EINVAL;
1344 
1345         for (i=0; i < count; i++) {
1346 #if K1212_DEBUG_LEVEL > 0
1347                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1348                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1349                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1350                         return -EFAULT;
1351                 }
1352 #endif
1353                 if (in_kernel)
1354                         memcpy(dst, (__force void *)src, size);
1355                 else if (copy_from_user(dst, src, size))
1356                         return -EFAULT;
1357                 dst++;
1358                 src += size;
1359         }
1360 
1361         return 0;
1362 }
1363 
1364 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1365 {
1366         struct snd_korg1212 *korg1212 = pcm->private_data;
1367 
1368         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1369                            stateName[korg1212->cardState]);
1370 
1371         korg1212->pcm = NULL;
1372 }
1373 
1374 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1375 {
1376         unsigned long flags;
1377         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1378         struct snd_pcm_runtime *runtime = substream->runtime;
1379 
1380         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1381                            stateName[korg1212->cardState]);
1382 
1383         snd_korg1212_OpenCard(korg1212);
1384 
1385         runtime->hw = snd_korg1212_playback_info;
1386         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1387 
1388         spin_lock_irqsave(&korg1212->lock, flags);
1389 
1390         korg1212->playback_substream = substream;
1391         korg1212->playback_pid = current->pid;
1392         korg1212->periodsize = K1212_PERIODS;
1393         korg1212->channels = K1212_CHANNELS;
1394         korg1212->errorcnt = 0;
1395 
1396         spin_unlock_irqrestore(&korg1212->lock, flags);
1397 
1398         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1399                                      kPlayBufferFrames);
1400 
1401         return 0;
1402 }
1403 
1404 
1405 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1406 {
1407         unsigned long flags;
1408         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1409         struct snd_pcm_runtime *runtime = substream->runtime;
1410 
1411         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1412                            stateName[korg1212->cardState]);
1413 
1414         snd_korg1212_OpenCard(korg1212);
1415 
1416         runtime->hw = snd_korg1212_capture_info;
1417         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1418 
1419         spin_lock_irqsave(&korg1212->lock, flags);
1420 
1421         korg1212->capture_substream = substream;
1422         korg1212->capture_pid = current->pid;
1423         korg1212->periodsize = K1212_PERIODS;
1424         korg1212->channels = K1212_CHANNELS;
1425 
1426         spin_unlock_irqrestore(&korg1212->lock, flags);
1427 
1428         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1429                                      kPlayBufferFrames);
1430         return 0;
1431 }
1432 
1433 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1434 {
1435         unsigned long flags;
1436         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1437 
1438         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1439                            stateName[korg1212->cardState]);
1440 
1441         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1442 
1443         spin_lock_irqsave(&korg1212->lock, flags);
1444 
1445         korg1212->playback_pid = -1;
1446         korg1212->playback_substream = NULL;
1447         korg1212->periodsize = 0;
1448 
1449         spin_unlock_irqrestore(&korg1212->lock, flags);
1450 
1451         snd_korg1212_CloseCard(korg1212);
1452         return 0;
1453 }
1454 
1455 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1456 {
1457         unsigned long flags;
1458         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1459 
1460         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1461                            stateName[korg1212->cardState]);
1462 
1463         spin_lock_irqsave(&korg1212->lock, flags);
1464 
1465         korg1212->capture_pid = -1;
1466         korg1212->capture_substream = NULL;
1467         korg1212->periodsize = 0;
1468 
1469         spin_unlock_irqrestore(&korg1212->lock, flags);
1470 
1471         snd_korg1212_CloseCard(korg1212);
1472         return 0;
1473 }
1474 
1475 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1476                              unsigned int cmd, void *arg)
1477 {
1478         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1479 
1480         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1481                 struct snd_pcm_channel_info *info = arg;
1482                 info->offset = 0;
1483                 info->first = info->channel * 16;
1484                 info->step = 256;
1485                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1486                 return 0;
1487         }
1488 
1489         return snd_pcm_lib_ioctl(substream, cmd, arg);
1490 }
1491 
1492 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1493                              struct snd_pcm_hw_params *params)
1494 {
1495         unsigned long flags;
1496         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1497         int err;
1498         pid_t this_pid;
1499         pid_t other_pid;
1500 
1501         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1502                            stateName[korg1212->cardState]);
1503 
1504         spin_lock_irqsave(&korg1212->lock, flags);
1505 
1506         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1507                 this_pid = korg1212->playback_pid;
1508                 other_pid = korg1212->capture_pid;
1509         } else {
1510                 this_pid = korg1212->capture_pid;
1511                 other_pid = korg1212->playback_pid;
1512         }
1513 
1514         if ((other_pid > 0) && (this_pid != other_pid)) {
1515 
1516                 /* The other stream is open, and not by the same
1517                    task as this one. Make sure that the parameters
1518                    that matter are the same.
1519                  */
1520 
1521                 if ((int)params_rate(params) != korg1212->clkRate) {
1522                         spin_unlock_irqrestore(&korg1212->lock, flags);
1523                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1524                         return -EBUSY;
1525                 }
1526 
1527                 spin_unlock_irqrestore(&korg1212->lock, flags);
1528                 return 0;
1529         }
1530 
1531         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1532                 spin_unlock_irqrestore(&korg1212->lock, flags);
1533                 return err;
1534         }
1535 
1536         korg1212->channels = params_channels(params);
1537         korg1212->periodsize = K1212_PERIOD_BYTES;
1538 
1539         spin_unlock_irqrestore(&korg1212->lock, flags);
1540 
1541         return 0;
1542 }
1543 
1544 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1545 {
1546         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1547         int rc;
1548 
1549         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1550                            stateName[korg1212->cardState]);
1551 
1552         spin_lock_irq(&korg1212->lock);
1553 
1554         /* FIXME: we should wait for ack! */
1555         if (korg1212->stop_pending_cnt > 0) {
1556                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1557                                    stateName[korg1212->cardState]);
1558                 spin_unlock_irq(&korg1212->lock);
1559                 return -EAGAIN;
1560                 /*
1561                 korg1212->sharedBufferPtr->cardCommand = 0;
1562                 del_timer(&korg1212->timer);
1563                 korg1212->stop_pending_cnt = 0;
1564                 */
1565         }
1566 
1567         rc = snd_korg1212_SetupForPlay(korg1212);
1568 
1569         korg1212->currentBuffer = 0;
1570 
1571         spin_unlock_irq(&korg1212->lock);
1572 
1573         return rc ? -EINVAL : 0;
1574 }
1575 
1576 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1577                            int cmd)
1578 {
1579         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1580         int rc;
1581 
1582         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1583                            stateName[korg1212->cardState], cmd);
1584 
1585         spin_lock(&korg1212->lock);
1586         switch (cmd) {
1587                 case SNDRV_PCM_TRIGGER_START:
1588 /*
1589                         if (korg1212->running) {
1590                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1591                                 break;
1592                         }
1593 */
1594                         korg1212->running++;
1595                         rc = snd_korg1212_TriggerPlay(korg1212);
1596                         break;
1597 
1598                 case SNDRV_PCM_TRIGGER_STOP:
1599 /*
1600                         if (!korg1212->running) {
1601                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1602                                 break;
1603                         }
1604 */
1605                         korg1212->running--;
1606                         rc = snd_korg1212_StopPlay(korg1212);
1607                         break;
1608 
1609                 default:
1610                         rc = 1;
1611                         break;
1612         }
1613         spin_unlock(&korg1212->lock);
1614         return rc ? -EINVAL : 0;
1615 }
1616 
1617 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1618 {
1619         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1620         snd_pcm_uframes_t pos;
1621 
1622         pos = korg1212->currentBuffer * kPlayBufferFrames;
1623 
1624         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1625                                    stateName[korg1212->cardState], pos);
1626 
1627         return pos;
1628 }
1629 
1630 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1631 {
1632         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1633         snd_pcm_uframes_t pos;
1634 
1635         pos = korg1212->currentBuffer * kPlayBufferFrames;
1636 
1637         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1638                                    stateName[korg1212->cardState], pos);
1639 
1640         return pos;
1641 }
1642 
1643 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1644                                       int channel, unsigned long pos,
1645                                       void __user *src, unsigned long count)
1646 {
1647         return snd_korg1212_copy_from(substream, src, pos, count, false);
1648 }
1649 
1650 static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1651                                       int channel, unsigned long pos,
1652                                       void *src, unsigned long count)
1653 {
1654         return snd_korg1212_copy_from(substream, (void __user *)src,
1655                                       pos, count, true);
1656 }
1657 
1658 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1659                            int channel, /* not used (interleaved data) */
1660                            unsigned long pos,
1661                            unsigned long count)
1662 {
1663         struct snd_pcm_runtime *runtime = substream->runtime;
1664         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1665 
1666         return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1667                                     bytes_to_frames(runtime, count),
1668                                     0, korg1212->channels * 2);
1669 }
1670 
1671 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1672                                      int channel, unsigned long pos,
1673                                      void __user *dst, unsigned long count)
1674 {
1675         return snd_korg1212_copy_to(substream, dst, pos, count, false);
1676 }
1677 
1678 static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1679                                      int channel, unsigned long pos,
1680                                      void *dst, unsigned long count)
1681 {
1682         return snd_korg1212_copy_to(substream, (void __user *)dst,
1683                                     pos, count, true);
1684 }
1685 
1686 static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1687         .open =         snd_korg1212_playback_open,
1688         .close =        snd_korg1212_playback_close,
1689         .ioctl =        snd_korg1212_ioctl,
1690         .hw_params =    snd_korg1212_hw_params,
1691         .prepare =      snd_korg1212_prepare,
1692         .trigger =      snd_korg1212_trigger,
1693         .pointer =      snd_korg1212_playback_pointer,
1694         .copy_user =    snd_korg1212_playback_copy,
1695         .copy_kernel =  snd_korg1212_playback_copy_kernel,
1696         .fill_silence = snd_korg1212_playback_silence,
1697 };
1698 
1699 static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1700         .open =         snd_korg1212_capture_open,
1701         .close =        snd_korg1212_capture_close,
1702         .ioctl =        snd_korg1212_ioctl,
1703         .hw_params =    snd_korg1212_hw_params,
1704         .prepare =      snd_korg1212_prepare,
1705         .trigger =      snd_korg1212_trigger,
1706         .pointer =      snd_korg1212_capture_pointer,
1707         .copy_user =    snd_korg1212_capture_copy,
1708         .copy_kernel =  snd_korg1212_capture_copy_kernel,
1709 };
1710 
1711 /*
1712  * Control Interface
1713  */
1714 
1715 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1716                                            struct snd_ctl_elem_info *uinfo)
1717 {
1718         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1719         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1720         return 0;
1721 }
1722 
1723 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1724                                           struct snd_ctl_elem_value *u)
1725 {
1726         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1727         int i = kcontrol->private_value;
1728 
1729         spin_lock_irq(&korg1212->lock);
1730 
1731         u->value.integer.value[0] = korg1212->volumePhase[i];
1732 
1733         if (i >= 8)
1734                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1735 
1736         spin_unlock_irq(&korg1212->lock);
1737 
1738         return 0;
1739 }
1740 
1741 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1742                                           struct snd_ctl_elem_value *u)
1743 {
1744         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1745         int change = 0;
1746         int i, val;
1747 
1748         spin_lock_irq(&korg1212->lock);
1749 
1750         i = kcontrol->private_value;
1751 
1752         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1753 
1754         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1755 
1756         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1757                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1758                 korg1212->sharedBufferPtr->volumeData[i] = val;
1759                 change = 1;
1760         }
1761 
1762         if (i >= 8) {
1763                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1764 
1765                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1766 
1767                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1768                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1769                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1770                         change = 1;
1771                 }
1772         }
1773 
1774         spin_unlock_irq(&korg1212->lock);
1775 
1776         return change;
1777 }
1778 
1779 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1780                                             struct snd_ctl_elem_info *uinfo)
1781 {
1782         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1783         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1784         uinfo->value.integer.min = k1212MinVolume;
1785         uinfo->value.integer.max = k1212MaxVolume;
1786         return 0;
1787 }
1788 
1789 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1790                                            struct snd_ctl_elem_value *u)
1791 {
1792         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1793         int i;
1794 
1795         spin_lock_irq(&korg1212->lock);
1796 
1797         i = kcontrol->private_value;
1798         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1799 
1800         if (i >= 8) 
1801                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1802 
1803         spin_unlock_irq(&korg1212->lock);
1804 
1805         return 0;
1806 }
1807 
1808 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1809                                            struct snd_ctl_elem_value *u)
1810 {
1811         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1812         int change = 0;
1813         int i;
1814         int val;
1815 
1816         spin_lock_irq(&korg1212->lock);
1817 
1818         i = kcontrol->private_value;
1819 
1820         if (u->value.integer.value[0] >= k1212MinVolume && 
1821             u->value.integer.value[0] >= k1212MaxVolume &&
1822             u->value.integer.value[0] !=
1823             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1824                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1825                 val *= u->value.integer.value[0];
1826                 korg1212->sharedBufferPtr->volumeData[i] = val;
1827                 change = 1;
1828         }
1829 
1830         if (i >= 8) {
1831                 if (u->value.integer.value[1] >= k1212MinVolume && 
1832                     u->value.integer.value[1] >= k1212MaxVolume &&
1833                     u->value.integer.value[1] !=
1834                     abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1835                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1836                         val *= u->value.integer.value[1];
1837                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1838                         change = 1;
1839                 }
1840         }
1841 
1842         spin_unlock_irq(&korg1212->lock);
1843 
1844         return change;
1845 }
1846 
1847 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1848                                            struct snd_ctl_elem_info *uinfo)
1849 {
1850         return snd_ctl_enum_info(uinfo,
1851                                  (kcontrol->private_value >= 8) ? 2 : 1,
1852                                  kAudioChannels, channelName);
1853 }
1854 
1855 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1856                                           struct snd_ctl_elem_value *u)
1857 {
1858         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1859         int i;
1860 
1861         spin_lock_irq(&korg1212->lock);
1862 
1863         i = kcontrol->private_value;
1864         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1865 
1866         if (i >= 8) 
1867                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1868 
1869         spin_unlock_irq(&korg1212->lock);
1870 
1871         return 0;
1872 }
1873 
1874 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1875                                           struct snd_ctl_elem_value *u)
1876 {
1877         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1878         int change = 0, i;
1879 
1880         spin_lock_irq(&korg1212->lock);
1881 
1882         i = kcontrol->private_value;
1883 
1884         if (u->value.enumerated.item[0] < kAudioChannels &&
1885             u->value.enumerated.item[0] !=
1886             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1887                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1888                 change = 1;
1889         }
1890 
1891         if (i >= 8) {
1892                 if (u->value.enumerated.item[1] < kAudioChannels &&
1893                     u->value.enumerated.item[1] !=
1894                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1895                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1896                         change = 1;
1897                 }
1898         }
1899 
1900         spin_unlock_irq(&korg1212->lock);
1901 
1902         return change;
1903 }
1904 
1905 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1906                                      struct snd_ctl_elem_info *uinfo)
1907 {
1908         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1909         uinfo->count = 2;
1910         uinfo->value.integer.min = k1212MaxADCSens;
1911         uinfo->value.integer.max = k1212MinADCSens;
1912         return 0;
1913 }
1914 
1915 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1916                                     struct snd_ctl_elem_value *u)
1917 {
1918         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1919 
1920         spin_lock_irq(&korg1212->lock);
1921 
1922         u->value.integer.value[0] = korg1212->leftADCInSens;
1923         u->value.integer.value[1] = korg1212->rightADCInSens;
1924 
1925         spin_unlock_irq(&korg1212->lock);
1926 
1927         return 0;
1928 }
1929 
1930 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1931                                     struct snd_ctl_elem_value *u)
1932 {
1933         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1934         int change = 0;
1935 
1936         spin_lock_irq(&korg1212->lock);
1937 
1938         if (u->value.integer.value[0] >= k1212MinADCSens &&
1939             u->value.integer.value[0] <= k1212MaxADCSens &&
1940             u->value.integer.value[0] != korg1212->leftADCInSens) {
1941                 korg1212->leftADCInSens = u->value.integer.value[0];
1942                 change = 1;
1943         }
1944         if (u->value.integer.value[1] >= k1212MinADCSens &&
1945             u->value.integer.value[1] <= k1212MaxADCSens &&
1946             u->value.integer.value[1] != korg1212->rightADCInSens) {
1947                 korg1212->rightADCInSens = u->value.integer.value[1];
1948                 change = 1;
1949         }
1950 
1951         spin_unlock_irq(&korg1212->lock);
1952 
1953         if (change)
1954                 snd_korg1212_WriteADCSensitivity(korg1212);
1955 
1956         return change;
1957 }
1958 
1959 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1960                                           struct snd_ctl_elem_info *uinfo)
1961 {
1962         return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1963 }
1964 
1965 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1966                                          struct snd_ctl_elem_value *ucontrol)
1967 {
1968         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1969 
1970         spin_lock_irq(&korg1212->lock);
1971 
1972         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1973 
1974         spin_unlock_irq(&korg1212->lock);
1975         return 0;
1976 }
1977 
1978 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1979                                          struct snd_ctl_elem_value *ucontrol)
1980 {
1981         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1982         unsigned int val;
1983         int change;
1984 
1985         val = ucontrol->value.enumerated.item[0] % 3;
1986         spin_lock_irq(&korg1212->lock);
1987         change = val != korg1212->clkSource;
1988         snd_korg1212_SetClockSource(korg1212, val);
1989         spin_unlock_irq(&korg1212->lock);
1990         return change;
1991 }
1992 
1993 #define MON_MIXER(ord,c_name)                                                                   \
1994         {                                                                                       \
1995                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1996                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1997                 .name =         c_name " Monitor Volume",                                       \
1998                 .info =         snd_korg1212_control_volume_info,                               \
1999                 .get =          snd_korg1212_control_volume_get,                                \
2000                 .put =          snd_korg1212_control_volume_put,                                \
2001                 .private_value = ord,                                                           \
2002         },                                                                                      \
2003         {                                                                                       \
2004                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2005                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2006                 .name =         c_name " Monitor Route",                                        \
2007                 .info =         snd_korg1212_control_route_info,                                \
2008                 .get =          snd_korg1212_control_route_get,                                 \
2009                 .put =          snd_korg1212_control_route_put,                                 \
2010                 .private_value = ord,                                                           \
2011         },                                                                                      \
2012         {                                                                                       \
2013                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2014                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2015                 .name =         c_name " Monitor Phase Invert",                                 \
2016                 .info =         snd_korg1212_control_phase_info,                                \
2017                 .get =          snd_korg1212_control_phase_get,                                 \
2018                 .put =          snd_korg1212_control_phase_put,                                 \
2019                 .private_value = ord,                                                           \
2020         }
2021 
2022 static const struct snd_kcontrol_new snd_korg1212_controls[] = {
2023         MON_MIXER(8, "Analog"),
2024         MON_MIXER(10, "SPDIF"), 
2025         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2026         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2027         {
2028                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2029                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2030                 .name =         "Sync Source",
2031                 .info =         snd_korg1212_control_sync_info,
2032                 .get =          snd_korg1212_control_sync_get,
2033                 .put =          snd_korg1212_control_sync_put,
2034         },
2035         {
2036                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2037                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2038                 .name =         "ADC Attenuation",
2039                 .info =         snd_korg1212_control_info,
2040                 .get =          snd_korg1212_control_get,
2041                 .put =          snd_korg1212_control_put,
2042         }
2043 };
2044 
2045 /*
2046  * proc interface
2047  */
2048 
2049 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2050                                    struct snd_info_buffer *buffer)
2051 {
2052         int n;
2053         struct snd_korg1212 *korg1212 = entry->private_data;
2054 
2055         snd_iprintf(buffer, korg1212->card->longname);
2056         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2057         snd_iprintf(buffer, "\nGeneral settings\n");
2058         snd_iprintf(buffer, "    period size: %zd bytes\n", K1212_PERIOD_BYTES);
2059         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2060         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2061         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2062         snd_iprintf(buffer, "    Volume Info:\n");
2063         for (n=0; n<kAudioChannels; n++)
2064                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2065                                     channelName[n],
2066                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2067                                     korg1212->sharedBufferPtr->volumeData[n]);
2068         snd_iprintf(buffer, "\nGeneral status\n");
2069         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2070         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2071         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2072         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2073         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2074         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2075 }
2076 
2077 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2078 {
2079         snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212,
2080                              snd_korg1212_proc_read);
2081 }
2082 
2083 static int
2084 snd_korg1212_free(struct snd_korg1212 *korg1212)
2085 {
2086         snd_korg1212_TurnOffIdleMonitor(korg1212);
2087 
2088         if (korg1212->irq >= 0) {
2089                 snd_korg1212_DisableCardInterrupts(korg1212);
2090                 free_irq(korg1212->irq, korg1212);
2091                 korg1212->irq = -1;
2092         }
2093         
2094         if (korg1212->iobase != NULL) {
2095                 iounmap(korg1212->iobase);
2096                 korg1212->iobase = NULL;
2097         }
2098         
2099         pci_release_regions(korg1212->pci);
2100 
2101         // ----------------------------------------------------
2102         // free up memory resources used for the DSP download.
2103         // ----------------------------------------------------
2104         if (korg1212->dma_dsp.area) {
2105                 snd_dma_free_pages(&korg1212->dma_dsp);
2106                 korg1212->dma_dsp.area = NULL;
2107         }
2108 
2109 #ifndef K1212_LARGEALLOC
2110 
2111         // ------------------------------------------------------
2112         // free up memory resources used for the Play/Rec Buffers
2113         // ------------------------------------------------------
2114         if (korg1212->dma_play.area) {
2115                 snd_dma_free_pages(&korg1212->dma_play);
2116                 korg1212->dma_play.area = NULL;
2117         }
2118 
2119         if (korg1212->dma_rec.area) {
2120                 snd_dma_free_pages(&korg1212->dma_rec);
2121                 korg1212->dma_rec.area = NULL;
2122         }
2123 
2124 #endif
2125 
2126         // ----------------------------------------------------
2127         // free up memory resources used for the Shared Buffers
2128         // ----------------------------------------------------
2129         if (korg1212->dma_shared.area) {
2130                 snd_dma_free_pages(&korg1212->dma_shared);
2131                 korg1212->dma_shared.area = NULL;
2132         }
2133         
2134         pci_disable_device(korg1212->pci);
2135         kfree(korg1212);
2136         return 0;
2137 }
2138 
2139 static int snd_korg1212_dev_free(struct snd_device *device)
2140 {
2141         struct snd_korg1212 *korg1212 = device->device_data;
2142         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2143         return snd_korg1212_free(korg1212);
2144 }
2145 
2146 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2147                                struct snd_korg1212 **rchip)
2148 
2149 {
2150         int err, rc;
2151         unsigned int i;
2152         unsigned iomem_size;
2153         __maybe_unused unsigned ioport_size;
2154         __maybe_unused unsigned iomem2_size;
2155         struct snd_korg1212 * korg1212;
2156         const struct firmware *dsp_code;
2157 
2158         static const struct snd_device_ops ops = {
2159                 .dev_free = snd_korg1212_dev_free,
2160         };
2161 
2162         * rchip = NULL;
2163         if ((err = pci_enable_device(pci)) < 0)
2164                 return err;
2165 
2166         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2167         if (korg1212 == NULL) {
2168                 pci_disable_device(pci);
2169                 return -ENOMEM;
2170         }
2171 
2172         korg1212->card = card;
2173         korg1212->pci = pci;
2174 
2175         init_waitqueue_head(&korg1212->wait);
2176         spin_lock_init(&korg1212->lock);
2177         mutex_init(&korg1212->open_mutex);
2178         timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2179 
2180         korg1212->irq = -1;
2181         korg1212->clkSource = K1212_CLKIDX_Local;
2182         korg1212->clkRate = 44100;
2183         korg1212->inIRQ = 0;
2184         korg1212->running = 0;
2185         korg1212->opencnt = 0;
2186         korg1212->playcnt = 0;
2187         korg1212->setcnt = 0;
2188         korg1212->totalerrorcnt = 0;
2189         korg1212->playback_pid = -1;
2190         korg1212->capture_pid = -1;
2191         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2192         korg1212->idleMonitorOn = 0;
2193         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2194         korg1212->leftADCInSens = k1212MaxADCSens;
2195         korg1212->rightADCInSens = k1212MaxADCSens;
2196 
2197         for (i=0; i<kAudioChannels; i++)
2198                 korg1212->volumePhase[i] = 0;
2199 
2200         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2201                 kfree(korg1212);
2202                 pci_disable_device(pci);
2203                 return err;
2204         }
2205 
2206         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2207         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2208         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2209 
2210         iomem_size = pci_resource_len(korg1212->pci, 0);
2211         ioport_size = pci_resource_len(korg1212->pci, 1);
2212         iomem2_size = pci_resource_len(korg1212->pci, 2);
2213 
2214         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2215                    "    iomem = 0x%lx (%d)\n"
2216                    "    ioport  = 0x%lx (%d)\n"
2217                    "    iomem = 0x%lx (%d)\n"
2218                    "    [%s]\n",
2219                    korg1212->iomem, iomem_size,
2220                    korg1212->ioport, ioport_size,
2221                    korg1212->iomem2, iomem2_size,
2222                    stateName[korg1212->cardState]);
2223 
2224         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2225                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2226                            korg1212->iomem + iomem_size - 1);
2227                 snd_korg1212_free(korg1212);
2228                 return -EBUSY;
2229         }
2230 
2231         err = request_irq(pci->irq, snd_korg1212_interrupt,
2232                           IRQF_SHARED,
2233                           KBUILD_MODNAME, korg1212);
2234 
2235         if (err) {
2236                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2237                 snd_korg1212_free(korg1212);
2238                 return -EBUSY;
2239         }
2240 
2241         korg1212->irq = pci->irq;
2242         card->sync_irq = korg1212->irq;
2243 
2244         pci_set_master(korg1212->pci);
2245 
2246         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2247         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2248         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2249         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2250         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2251         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2252         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2253         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2254         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2255         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2256 
2257         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2258                    "    Status register = 0x%p\n"
2259                    "    OutDoorbell     = 0x%p\n"
2260                    "    InDoorbell      = 0x%p\n"
2261                    "    Mailbox0        = 0x%p\n"
2262                    "    Mailbox1        = 0x%p\n"
2263                    "    Mailbox2        = 0x%p\n"
2264                    "    Mailbox3        = 0x%p\n"
2265                    "    ControlReg      = 0x%p\n"
2266                    "    SensReg         = 0x%p\n"
2267                    "    IDReg           = 0x%p\n"
2268                    "    [%s]\n",
2269                    korg1212->statusRegPtr,
2270                    korg1212->outDoorbellPtr,
2271                    korg1212->inDoorbellPtr,
2272                    korg1212->mailbox0Ptr,
2273                    korg1212->mailbox1Ptr,
2274                    korg1212->mailbox2Ptr,
2275                    korg1212->mailbox3Ptr,
2276                    korg1212->controlRegPtr,
2277                    korg1212->sensRegPtr,
2278                    korg1212->idRegPtr,
2279                    stateName[korg1212->cardState]);
2280 
2281         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2282                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2283                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2284                 snd_korg1212_free(korg1212);
2285                 return -ENOMEM;
2286         }
2287         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2288         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2289 
2290         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2291 
2292 #ifndef K1212_LARGEALLOC
2293 
2294         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2295 
2296         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2297                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2298                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2299                 snd_korg1212_free(korg1212);
2300                 return -ENOMEM;
2301         }
2302         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2303         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2304 
2305         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2306                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2307 
2308         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2309                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2310                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2311                 snd_korg1212_free(korg1212);
2312                 return -ENOMEM;
2313         }
2314         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2315         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2316 
2317         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2318                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2319 
2320 #else // K1212_LARGEALLOC
2321 
2322         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2323         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2324         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2325         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2326 
2327 #endif // K1212_LARGEALLOC
2328 
2329         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2330                 offsetof(struct KorgSharedBuffer, volumeData);
2331         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2332                 offsetof(struct KorgSharedBuffer, routeData);
2333         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2334                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2335 
2336         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2337         if (err < 0) {
2338                 snd_printk(KERN_ERR "firmware not available\n");
2339                 snd_korg1212_free(korg1212);
2340                 return err;
2341         }
2342 
2343         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2344                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2345                 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2346                 snd_korg1212_free(korg1212);
2347                 release_firmware(dsp_code);
2348                 return -ENOMEM;
2349         }
2350 
2351         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2352                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2353                    stateName[korg1212->cardState]);
2354 
2355         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2356 
2357         release_firmware(dsp_code);
2358 
2359         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2360 
2361         if (rc)
2362                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2363 
2364         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2365                 snd_korg1212_free(korg1212);
2366                 return err;
2367         }
2368         
2369         snd_korg1212_EnableCardInterrupts(korg1212);
2370 
2371         mdelay(CARD_BOOT_DELAY_IN_MS);
2372 
2373         if (snd_korg1212_downloadDSPCode(korg1212))
2374                 return -EBUSY;
2375 
2376         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2377                "PlayDataPhy = %08x L[%08x]\n"
2378                "korg1212: RecDataPhy = %08x L[%08x], "
2379                "VolumeTablePhy = %08x L[%08x]\n"
2380                "korg1212: RoutingTablePhy = %08x L[%08x], "
2381                "AdatTimeCodePhy = %08x L[%08x]\n",
2382                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2383                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2384                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2385                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2386                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2387                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2388 
2389         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2390                 return err;
2391 
2392         korg1212->pcm->private_data = korg1212;
2393         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2394         strcpy(korg1212->pcm->name, "korg1212");
2395 
2396         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2397         
2398         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2399 
2400         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2401 
2402         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2403                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2404                 if (err < 0)
2405                         return err;
2406         }
2407 
2408         snd_korg1212_proc_init(korg1212);
2409         
2410         * rchip = korg1212;
2411         return 0;
2412 
2413 }
2414 
2415 /*
2416  * Card initialisation
2417  */
2418 
2419 static int
2420 snd_korg1212_probe(struct pci_dev *pci,
2421                 const struct pci_device_id *pci_id)
2422 {
2423         static int dev;
2424         struct snd_korg1212 *korg1212;
2425         struct snd_card *card;
2426         int err;
2427 
2428         if (dev >= SNDRV_CARDS) {
2429                 return -ENODEV;
2430         }
2431         if (!enable[dev]) {
2432                 dev++;
2433                 return -ENOENT;
2434         }
2435         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2436                            0, &card);
2437         if (err < 0)
2438                 return err;
2439 
2440         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2441                 snd_card_free(card);
2442                 return err;
2443         }
2444 
2445         strcpy(card->driver, "korg1212");
2446         strcpy(card->shortname, "korg1212");
2447         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2448                 korg1212->iomem, korg1212->irq);
2449 
2450         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2451 
2452         if ((err = snd_card_register(card)) < 0) {
2453                 snd_card_free(card);
2454                 return err;
2455         }
2456         pci_set_drvdata(pci, card);
2457         dev++;
2458         return 0;
2459 }
2460 
2461 static void snd_korg1212_remove(struct pci_dev *pci)
2462 {
2463         snd_card_free(pci_get_drvdata(pci));
2464 }
2465 
2466 static struct pci_driver korg1212_driver = {
2467         .name = KBUILD_MODNAME,
2468         .id_table = snd_korg1212_ids,
2469         .probe = snd_korg1212_probe,
2470         .remove = snd_korg1212_remove,
2471 };
2472 
2473 module_pci_driver(korg1212_driver);
2474 

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