Version:  2.0.40 2.2.26 2.4.37 3.4 3.5 3.6 3.7 3.8 3.9 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0

Linux/sound/pci/korg1212/korg1212.c

  1 /*
  2  *   Driver for the Korg 1212 IO PCI card
  3  *
  4  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
  5  *
  6  *   This program is free software; you can redistribute it and/or modify
  7  *   it under the terms of the GNU General Public License as published by
  8  *   the Free Software Foundation; either version 2 of the License, or
  9  *   (at your option) any later version.
 10  *
 11  *   This program is distributed in the hope that it will be useful,
 12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 14  *   GNU General Public License for more details.
 15  *
 16  *   You should have received a copy of the GNU General Public License
 17  *   along with this program; if not, write to the Free Software
 18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 19  *
 20  */
 21 
 22 #include <linux/delay.h>
 23 #include <linux/init.h>
 24 #include <linux/interrupt.h>
 25 #include <linux/pci.h>
 26 #include <linux/slab.h>
 27 #include <linux/wait.h>
 28 #include <linux/module.h>
 29 #include <linux/mutex.h>
 30 #include <linux/firmware.h>
 31 #include <linux/io.h>
 32 
 33 #include <sound/core.h>
 34 #include <sound/info.h>
 35 #include <sound/control.h>
 36 #include <sound/pcm.h>
 37 #include <sound/pcm_params.h>
 38 #include <sound/initval.h>
 39 
 40 // ----------------------------------------------------------------------------
 41 // Debug Stuff
 42 // ----------------------------------------------------------------------------
 43 #define K1212_DEBUG_LEVEL               0
 44 #if K1212_DEBUG_LEVEL > 0
 45 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
 46 #else
 47 #define K1212_DEBUG_PRINTK(fmt,...)
 48 #endif
 49 #if K1212_DEBUG_LEVEL > 1
 50 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
 51 #else
 52 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
 53 #endif
 54 
 55 // ----------------------------------------------------------------------------
 56 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
 57 // buffers are alocated as a large piece inside KorgSharedBuffer.
 58 // ----------------------------------------------------------------------------
 59 //#define K1212_LARGEALLOC              1
 60 
 61 // ----------------------------------------------------------------------------
 62 // Valid states of the Korg 1212 I/O card.
 63 // ----------------------------------------------------------------------------
 64 enum CardState {
 65    K1212_STATE_NONEXISTENT,             // there is no card here
 66    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
 67    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
 68    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
 69    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
 70                                         //    requests prior to this state should fail.  Only an open
 71                                         //    request can be made at this state.
 72    K1212_STATE_OPEN,                    // an application has opened the card
 73    K1212_STATE_SETUP,                   // the card has been setup for play
 74    K1212_STATE_PLAYING,                 // the card is playing
 75    K1212_STATE_MONITOR,                 // the card is in the monitor mode
 76    K1212_STATE_CALIBRATING,             // the card is currently calibrating
 77    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
 78                                         //    are in the process of cleaning things up.
 79    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
 80 };
 81 
 82 // ----------------------------------------------------------------------------
 83 // The following enumeration defines the constants written to the card's
 84 // host-to-card doorbell to initiate a command.
 85 // ----------------------------------------------------------------------------
 86 enum korg1212_dbcnst {
 87    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
 88    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
 89    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
 90    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
 91    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
 92    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
 93    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
 94    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
 95                                           //    timecode value.
 96    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
 97    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
 98    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
 99    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
100                                           //    on page 4 (local page to card).
101    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
102                                           //    completed.
103    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
104 };
105 
106 
107 // ----------------------------------------------------------------------------
108 // The following enumeration defines return codes 
109 // to the Korg 1212 I/O driver.
110 // ----------------------------------------------------------------------------
111 enum snd_korg1212rc {
112    K1212_CMDRET_Success         = 0,   // command was successfully placed
113    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
114    K1212_CMDRET_PMFailure,             // the protected mode call failed
115    K1212_CMDRET_FailUnspecified,       // unspecified failure
116    K1212_CMDRET_FailBadState,          // the specified command can not be given in
117                                        //    the card's current state. (or the wave device's
118                                        //    state)
119    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
120    K1212_CMDRET_BadIndex,              // an out of range card index was specified
121    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
122    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
123    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
124    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
125    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
126 
127    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
128    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
129 };
130 
131 // ----------------------------------------------------------------------------
132 // The following enumeration defines the constants used to select the play
133 // mode for the card in the SelectPlayMode command.
134 // ----------------------------------------------------------------------------
135 enum PlayModeSelector {
136    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
137    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
138    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
139    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
140 };
141 
142 // ----------------------------------------------------------------------------
143 // The following enumeration defines the constants used to select the monitor
144 // mode for the card in the SetMonitorMode command.
145 // ----------------------------------------------------------------------------
146 enum MonitorModeSelector {
147    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
148    K1212_MONMODE_On            // tells card to turn on monitor mode
149 };
150 
151 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
152 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
153 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
154 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
155 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
156 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
157 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
158 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
159                                         //    register
160 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
161                                         //    this is the upper word of the PCI control reg.
162 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
163 
164 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
165                                        //    to send a command before giving up.
166 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
167                                         //    the card.
168 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
169 
170 #define CARD_BOOT_DELAY_IN_MS  10
171 #define CARD_BOOT_TIMEOUT      10
172 #define DSP_BOOT_DELAY_IN_MS   200
173 
174 #define kNumBuffers             8
175 #define k1212MaxCards           4
176 #define k1212NumWaveDevices     6
177 #define k16BitChannels          10
178 #define k32BitChannels          2
179 #define kAudioChannels          (k16BitChannels + k32BitChannels)
180 #define kPlayBufferFrames       1024
181 
182 #define K1212_ANALOG_CHANNELS   2
183 #define K1212_SPDIF_CHANNELS    2
184 #define K1212_ADAT_CHANNELS     8
185 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
186 #define K1212_MIN_CHANNELS      1
187 #define K1212_MAX_CHANNELS      K1212_CHANNELS
188 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
189 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
190 #define K1212_PERIODS           (kNumBuffers)
191 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
192 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
193 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
194 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
195 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
196 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
197 
198 #define k1212MinADCSens     0x00
199 #define k1212MaxADCSens     0x7f
200 #define k1212MaxVolume      0x7fff
201 #define k1212MaxWaveVolume  0xffff
202 #define k1212MinVolume      0x0000
203 #define k1212MaxVolInverted 0x8000
204 
205 // -----------------------------------------------------------------
206 // the following bits are used for controlling interrupts in the
207 // interrupt control/status reg
208 // -----------------------------------------------------------------
209 #define  PCI_INT_ENABLE_BIT               0x00000100
210 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
211 #define  LOCAL_INT_ENABLE_BIT             0x00010000
212 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
213 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
214 
215 // -----------------------------------------------------------------
216 // the following bits are defined for the PCI command register
217 // -----------------------------------------------------------------
218 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
219 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
220 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
221 
222 // -----------------------------------------------------------------
223 // the following bits are defined for the PCI status register
224 // -----------------------------------------------------------------
225 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
226 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
227 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
228 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
229 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
230 
231 // ------------------------------------------------------------------------
232 // the following constants are used in setting the 1212 I/O card's input
233 // sensitivity.
234 // ------------------------------------------------------------------------
235 #define  SET_SENS_LOCALINIT_BITPOS        15
236 #define  SET_SENS_DATA_BITPOS             10
237 #define  SET_SENS_CLOCK_BITPOS            8
238 #define  SET_SENS_LOADSHIFT_BITPOS        0
239 
240 #define  SET_SENS_LEFTCHANID              0x00
241 #define  SET_SENS_RIGHTCHANID             0x01
242 
243 #define  K1212SENSUPDATE_DELAY_IN_MS      50
244 
245 // --------------------------------------------------------------------------
246 // WaitRTCTicks
247 //
248 //    This function waits the specified number of real time clock ticks.
249 //    According to the DDK, each tick is ~0.8 microseconds.
250 //    The defines following the function declaration can be used for the
251 //    numTicksToWait parameter.
252 // --------------------------------------------------------------------------
253 #define ONE_RTC_TICK         1
254 #define SENSCLKPULSE_WIDTH   4
255 #define LOADSHIFT_DELAY      4
256 #define INTERCOMMAND_DELAY  40
257 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
258                                        //    the command register.  (could be up to 180 us)
259 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
260                                        //    from the card after sending a command.
261 
262 enum ClockSourceIndex {
263    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
264    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
265    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
266    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
267    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
268    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
269    K1212_CLKIDX_Invalid             // used to check validity of the index
270 };
271 
272 enum ClockSourceType {
273    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
274    K1212_CLKIDX_Word,        // selects source as S/PDIF
275    K1212_CLKIDX_Local        // selects source as local clock
276 };
277 
278 struct KorgAudioFrame {
279         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
280         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
281         u32 timeCodeVal; /* holds the ADAT timecode value */
282 };
283 
284 struct KorgAudioBuffer {
285         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
286 };
287 
288 struct KorgSharedBuffer {
289 #ifdef K1212_LARGEALLOC
290    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
291    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
292 #endif
293    short             volumeData[kAudioChannels];
294    u32               cardCommand;
295    u16               routeData [kAudioChannels];
296    u32               AdatTimeCode;                 // ADAT timecode value
297 };
298 
299 struct SensBits {
300    union {
301       struct {
302          unsigned int leftChanVal:8;
303          unsigned int leftChanId:8;
304       } v;
305       u16  leftSensBits;
306    } l;
307    union {
308       struct {
309          unsigned int rightChanVal:8;
310          unsigned int rightChanId:8;
311       } v;
312       u16  rightSensBits;
313    } r;
314 };
315 
316 struct snd_korg1212 {
317         struct snd_card *card;
318         struct pci_dev *pci;
319         struct snd_pcm *pcm;
320         int irq;
321 
322         spinlock_t    lock;
323         struct mutex open_mutex;
324 
325         struct timer_list timer;        /* timer callback for checking ack of stop request */
326         int stop_pending_cnt;           /* counter for stop pending check */
327 
328         wait_queue_head_t wait;
329 
330         unsigned long iomem;
331         unsigned long ioport;
332         unsigned long iomem2;
333         unsigned long irqcount;
334         unsigned long inIRQ;
335         void __iomem *iobase;
336 
337         struct snd_dma_buffer dma_dsp;
338         struct snd_dma_buffer dma_play;
339         struct snd_dma_buffer dma_rec;
340         struct snd_dma_buffer dma_shared;
341 
342         u32 DataBufsSize;
343 
344         struct KorgAudioBuffer  * playDataBufsPtr;
345         struct KorgAudioBuffer  * recordDataBufsPtr;
346 
347         struct KorgSharedBuffer * sharedBufferPtr;
348 
349         u32 RecDataPhy;
350         u32 PlayDataPhy;
351         unsigned long sharedBufferPhy;
352         u32 VolumeTablePhy;
353         u32 RoutingTablePhy;
354         u32 AdatTimeCodePhy;
355 
356         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
357         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
358         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
359         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
360         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
361         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
362         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
363         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
364         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
365         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
366 
367         size_t periodsize;
368         int channels;
369         int currentBuffer;
370 
371         struct snd_pcm_substream *playback_substream;
372         struct snd_pcm_substream *capture_substream;
373 
374         pid_t capture_pid;
375         pid_t playback_pid;
376 
377         enum CardState cardState;
378         int running;
379         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
380         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
381 
382         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
383 
384         enum ClockSourceType clkSource;   // clock source
385         int clkRate;                 // clock rate
386 
387         int volumePhase[kAudioChannels];
388 
389         u16 leftADCInSens;           // ADC left channel input sensitivity
390         u16 rightADCInSens;          // ADC right channel input sensitivity
391 
392         int opencnt;                 // Open/Close count
393         int setcnt;                  // SetupForPlay count
394         int playcnt;                 // TriggerPlay count
395         int errorcnt;                // Error Count
396         unsigned long totalerrorcnt; // Total Error Count
397 
398         int dsp_is_loaded;
399         int dsp_stop_is_processed;
400 
401 };
402 
403 MODULE_DESCRIPTION("korg1212");
404 MODULE_LICENSE("GPL");
405 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
406 MODULE_FIRMWARE("korg/k1212.dsp");
407 
408 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
409 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
410 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
411 
412 module_param_array(index, int, NULL, 0444);
413 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
414 module_param_array(id, charp, NULL, 0444);
415 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
416 module_param_array(enable, bool, NULL, 0444);
417 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
418 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
419 
420 static const struct pci_device_id snd_korg1212_ids[] = {
421         {
422                 .vendor    = 0x10b5,
423                 .device    = 0x906d,
424                 .subvendor = PCI_ANY_ID,
425                 .subdevice = PCI_ANY_ID,
426         },
427         { 0, },
428 };
429 
430 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
431 
432 static char *stateName[] = {
433         "Non-existent",
434         "Uninitialized",
435         "DSP download in process",
436         "DSP download complete",
437         "Ready",
438         "Open",
439         "Setup for play",
440         "Playing",
441         "Monitor mode on",
442         "Calibrating",
443         "Invalid"
444 };
445 
446 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
447 
448 static const char * const clockSourceName[] = {
449         "ADAT at 44.1 kHz",
450         "ADAT at 48 kHz",
451         "S/PDIF at 44.1 kHz",
452         "S/PDIF at 48 kHz",
453         "local clock at 44.1 kHz",
454         "local clock at 48 kHz"
455 };
456 
457 static const char * const channelName[] = {
458         "ADAT-1",
459         "ADAT-2",
460         "ADAT-3",
461         "ADAT-4",
462         "ADAT-5",
463         "ADAT-6",
464         "ADAT-7",
465         "ADAT-8",
466         "Analog-L",
467         "Analog-R",
468         "SPDIF-L",
469         "SPDIF-R",
470 };
471 
472 static u16 ClockSourceSelector[] = {
473         0x8000,   // selects source as ADAT at 44.1 kHz
474         0x0000,   // selects source as ADAT at 48 kHz
475         0x8001,   // selects source as S/PDIF at 44.1 kHz
476         0x0001,   // selects source as S/PDIF at 48 kHz
477         0x8002,   // selects source as local clock at 44.1 kHz
478         0x0002    // selects source as local clock at 48 kHz
479 };
480 
481 union swap_u32 { unsigned char c[4]; u32 i; };
482 
483 #ifdef SNDRV_BIG_ENDIAN
484 static u32 LowerWordSwap(u32 swappee)
485 #else
486 static u32 UpperWordSwap(u32 swappee)
487 #endif
488 {
489    union swap_u32 retVal, swapper;
490 
491    swapper.i = swappee;
492    retVal.c[2] = swapper.c[3];
493    retVal.c[3] = swapper.c[2];
494    retVal.c[1] = swapper.c[1];
495    retVal.c[0] = swapper.c[0];
496 
497    return retVal.i;
498 }
499 
500 #ifdef SNDRV_BIG_ENDIAN
501 static u32 UpperWordSwap(u32 swappee)
502 #else
503 static u32 LowerWordSwap(u32 swappee)
504 #endif
505 {
506    union swap_u32 retVal, swapper;
507 
508    swapper.i = swappee;
509    retVal.c[2] = swapper.c[2];
510    retVal.c[3] = swapper.c[3];
511    retVal.c[1] = swapper.c[0];
512    retVal.c[0] = swapper.c[1];
513 
514    return retVal.i;
515 }
516 
517 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
518 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
519 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
520 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
521 
522 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
523                                         enum korg1212_dbcnst doorbellVal,
524                                         u32 mailBox0Val, u32 mailBox1Val,
525                                         u32 mailBox2Val, u32 mailBox3Val)
526 {
527         u32 retryCount;
528         u16 mailBox3Lo;
529         int rc = K1212_CMDRET_Success;
530 
531         if (!korg1212->outDoorbellPtr) {
532                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
533                 return K1212_CMDRET_CardUninitialized;
534         }
535 
536         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
537                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
538         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
539                 writel(mailBox3Val, korg1212->mailbox3Ptr);
540                 writel(mailBox2Val, korg1212->mailbox2Ptr);
541                 writel(mailBox1Val, korg1212->mailbox1Ptr);
542                 writel(mailBox0Val, korg1212->mailbox0Ptr);
543                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
544 
545                 // --------------------------------------------------------------
546                 // the reboot command will not give an acknowledgement.
547                 // --------------------------------------------------------------
548                 if ( doorbellVal == K1212_DB_RebootCard ||
549                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
550                         doorbellVal == K1212_DB_StartDSPDownload ) {
551                         rc = K1212_CMDRET_Success;
552                         break;
553                 }
554 
555                 // --------------------------------------------------------------
556                 // See if the card acknowledged the command.  Wait a bit, then
557                 // read in the low word of mailbox3.  If the MSB is set and the
558                 // low byte is equal to the doorbell value, then it ack'd.
559                 // --------------------------------------------------------------
560                 udelay(COMMAND_ACK_DELAY);
561                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
562                 if (mailBox3Lo & COMMAND_ACK_MASK) {
563                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
564                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
565                                 rc = K1212_CMDRET_Success;
566                                 break;
567                         }
568                 }
569         }
570         korg1212->cmdRetryCount += retryCount;
571 
572         if (retryCount >= MAX_COMMAND_RETRIES) {
573                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
574                 rc = K1212_CMDRET_NoAckFromCard;
575         }
576 
577         return rc;
578 }
579 
580 /* spinlock already held */
581 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
582 {
583         if (! korg1212->stop_pending_cnt) {
584                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
585                 /* program the timer */
586                 korg1212->stop_pending_cnt = HZ;
587                 mod_timer(&korg1212->timer, jiffies + 1);
588         }
589 }
590 
591 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
592 {
593         unsigned long flags;
594         spin_lock_irqsave(&korg1212->lock, flags);
595         korg1212->dsp_stop_is_processed = 0;
596         snd_korg1212_SendStop(korg1212);
597         spin_unlock_irqrestore(&korg1212->lock, flags);
598         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
599 }
600 
601 /* timer callback for checking the ack of stop request */
602 static void snd_korg1212_timer_func(unsigned long data)
603 {
604         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
605         unsigned long flags;
606         
607         spin_lock_irqsave(&korg1212->lock, flags);
608         if (korg1212->sharedBufferPtr->cardCommand == 0) {
609                 /* ack'ed */
610                 korg1212->stop_pending_cnt = 0;
611                 korg1212->dsp_stop_is_processed = 1;
612                 wake_up(&korg1212->wait);
613                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
614                                            stateName[korg1212->cardState]);
615         } else {
616                 if (--korg1212->stop_pending_cnt > 0) {
617                         /* reprogram timer */
618                         mod_timer(&korg1212->timer, jiffies + 1);
619                 } else {
620                         snd_printd("korg1212_timer_func timeout\n");
621                         korg1212->sharedBufferPtr->cardCommand = 0;
622                         korg1212->dsp_stop_is_processed = 1;
623                         wake_up(&korg1212->wait);
624                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
625                                            stateName[korg1212->cardState]);
626                 }
627         }
628         spin_unlock_irqrestore(&korg1212->lock, flags);
629 }
630 
631 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
632 {
633         unsigned long flags;
634         int rc;
635 
636         udelay(INTERCOMMAND_DELAY);
637         spin_lock_irqsave(&korg1212->lock, flags);
638         korg1212->idleMonitorOn = 1;
639         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
640                                           K1212_MODE_MonitorOn, 0, 0, 0);
641         spin_unlock_irqrestore(&korg1212->lock, flags);
642         return rc;
643 }
644 
645 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
646 {
647         if (korg1212->idleMonitorOn) {
648                 snd_korg1212_SendStopAndWait(korg1212);
649                 korg1212->idleMonitorOn = 0;
650         }
651 }
652 
653 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
654 {
655         korg1212->cardState = csState;
656 }
657 
658 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
659 {
660         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
661                            stateName[korg1212->cardState], korg1212->opencnt);
662         mutex_lock(&korg1212->open_mutex);
663         if (korg1212->opencnt++ == 0) {
664                 snd_korg1212_TurnOffIdleMonitor(korg1212);
665                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
666         }
667 
668         mutex_unlock(&korg1212->open_mutex);
669         return 1;
670 }
671 
672 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
673 {
674         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
675                            stateName[korg1212->cardState], korg1212->opencnt);
676 
677         mutex_lock(&korg1212->open_mutex);
678         if (--(korg1212->opencnt)) {
679                 mutex_unlock(&korg1212->open_mutex);
680                 return 0;
681         }
682 
683         if (korg1212->cardState == K1212_STATE_SETUP) {
684                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
685                                 K1212_MODE_StopPlay, 0, 0, 0);
686                 if (rc)
687                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
688                                            rc, stateName[korg1212->cardState]);
689                 if (rc != K1212_CMDRET_Success) {
690                         mutex_unlock(&korg1212->open_mutex);
691                         return 0;
692                 }
693         } else if (korg1212->cardState > K1212_STATE_SETUP) {
694                 snd_korg1212_SendStopAndWait(korg1212);
695         }
696 
697         if (korg1212->cardState > K1212_STATE_READY) {
698                 snd_korg1212_TurnOnIdleMonitor(korg1212);
699                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
700         }
701 
702         mutex_unlock(&korg1212->open_mutex);
703         return 0;
704 }
705 
706 /* spinlock already held */
707 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
708 {
709         int rc;
710 
711         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
712                            stateName[korg1212->cardState], korg1212->setcnt);
713 
714         if (korg1212->setcnt++)
715                 return 0;
716 
717         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
718         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
719                                         K1212_MODE_SetupPlay, 0, 0, 0);
720         if (rc)
721                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
722                                    rc, stateName[korg1212->cardState]);
723         if (rc != K1212_CMDRET_Success) {
724                 return 1;
725         }
726         return 0;
727 }
728 
729 /* spinlock already held */
730 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
731 {
732         int rc;
733 
734         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
735                            stateName[korg1212->cardState], korg1212->playcnt);
736 
737         if (korg1212->playcnt++)
738                 return 0;
739 
740         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
741         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
742         if (rc)
743                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
744                                    rc, stateName[korg1212->cardState]);
745         if (rc != K1212_CMDRET_Success) {
746                 return 1;
747         }
748         return 0;
749 }
750 
751 /* spinlock already held */
752 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
753 {
754         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
755                            stateName[korg1212->cardState], korg1212->playcnt);
756 
757         if (--(korg1212->playcnt)) 
758                 return 0;
759 
760         korg1212->setcnt = 0;
761 
762         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
763                 snd_korg1212_SendStop(korg1212);
764 
765         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
766         return 0;
767 }
768 
769 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
770 {
771         writel(PCI_INT_ENABLE_BIT            |
772                PCI_DOORBELL_INT_ENABLE_BIT   |
773                LOCAL_INT_ENABLE_BIT          |
774                LOCAL_DOORBELL_INT_ENABLE_BIT |
775                LOCAL_DMA1_INT_ENABLE_BIT,
776                korg1212->statusRegPtr);
777 }
778 
779 #if 0 /* not used */
780 
781 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
782                                        enum MonitorModeSelector mode)
783 {
784         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
785                            stateName[korg1212->cardState]);
786 
787         switch (mode) {
788         case K1212_MONMODE_Off:
789                 if (korg1212->cardState != K1212_STATE_MONITOR)
790                         return 0;
791                 else {
792                         snd_korg1212_SendStopAndWait(korg1212);
793                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
794                 }
795                 break;
796 
797         case K1212_MONMODE_On:
798                 if (korg1212->cardState != K1212_STATE_OPEN)
799                         return 0;
800                 else {
801                         int rc;
802                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
803                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
804                                                           K1212_MODE_MonitorOn, 0, 0, 0);
805                         if (rc != K1212_CMDRET_Success)
806                                 return 0;
807                 }
808                 break;
809 
810         default:
811                 return 0;
812         }
813 
814         return 1;
815 }
816 
817 #endif /* not used */
818 
819 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
820 {
821         if (korg1212->playback_pid != korg1212->capture_pid &&
822             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
823                 return 0;
824 
825         return 1;
826 }
827 
828 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
829 {
830         static enum ClockSourceIndex s44[] = {
831                 K1212_CLKIDX_AdatAt44_1K,
832                 K1212_CLKIDX_WordAt44_1K,
833                 K1212_CLKIDX_LocalAt44_1K
834         };
835         static enum ClockSourceIndex s48[] = {
836                 K1212_CLKIDX_AdatAt48K,
837                 K1212_CLKIDX_WordAt48K,
838                 K1212_CLKIDX_LocalAt48K
839         };
840         int parm, rc;
841 
842         if (!snd_korg1212_use_is_exclusive (korg1212))
843                 return -EBUSY;
844 
845         switch (rate) {
846         case 44100:
847                 parm = s44[korg1212->clkSource];
848                 break;
849 
850         case 48000:
851                 parm = s48[korg1212->clkSource];
852                 break;
853 
854         default:
855                 return -EINVAL;
856         }
857 
858         korg1212->clkSrcRate = parm;
859         korg1212->clkRate = rate;
860 
861         udelay(INTERCOMMAND_DELAY);
862         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
863                                           ClockSourceSelector[korg1212->clkSrcRate],
864                                           0, 0, 0);
865         if (rc)
866                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
867                                    rc, stateName[korg1212->cardState]);
868 
869         return 0;
870 }
871 
872 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
873 {
874 
875         if (source < 0 || source > 2)
876                 return -EINVAL;
877 
878         korg1212->clkSource = source;
879 
880         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
881 
882         return 0;
883 }
884 
885 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
886 {
887         writel(0, korg1212->statusRegPtr);
888 }
889 
890 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
891 {
892         struct SensBits  sensVals;
893         int       bitPosition;
894         int       channel;
895         int       clkIs48K;
896         int       monModeSet;
897         u16       controlValue;    // this keeps the current value to be written to
898                                    //  the card's eeprom control register.
899         u16       count;
900         unsigned long flags;
901 
902         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
903                            stateName[korg1212->cardState]);
904 
905         // ----------------------------------------------------------------------------
906         // initialize things.  The local init bit is always set when writing to the
907         // card's control register.
908         // ----------------------------------------------------------------------------
909         controlValue = 0;
910         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
911 
912         // ----------------------------------------------------------------------------
913         // make sure the card is not in monitor mode when we do this update.
914         // ----------------------------------------------------------------------------
915         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
916                 monModeSet = 1;
917                 snd_korg1212_SendStopAndWait(korg1212);
918         } else
919                 monModeSet = 0;
920 
921         spin_lock_irqsave(&korg1212->lock, flags);
922 
923         // ----------------------------------------------------------------------------
924         // we are about to send new values to the card, so clear the new values queued
925         // flag.  Also, clear out mailbox 3, so we don't lockup.
926         // ----------------------------------------------------------------------------
927         writel(0, korg1212->mailbox3Ptr);
928         udelay(LOADSHIFT_DELAY);
929 
930         // ----------------------------------------------------------------------------
931         // determine whether we are running a 48K or 44.1K clock.  This info is used
932         // later when setting the SPDIF FF after the volume has been shifted in.
933         // ----------------------------------------------------------------------------
934         switch (korg1212->clkSrcRate) {
935                 case K1212_CLKIDX_AdatAt44_1K:
936                 case K1212_CLKIDX_WordAt44_1K:
937                 case K1212_CLKIDX_LocalAt44_1K:
938                         clkIs48K = 0;
939                         break;
940 
941                 case K1212_CLKIDX_WordAt48K:
942                 case K1212_CLKIDX_AdatAt48K:
943                 case K1212_CLKIDX_LocalAt48K:
944                 default:
945                         clkIs48K = 1;
946                         break;
947         }
948 
949         // ----------------------------------------------------------------------------
950         // start the update.  Setup the bit structure and then shift the bits.
951         // ----------------------------------------------------------------------------
952         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
953         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
954         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
955         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
956 
957         // ----------------------------------------------------------------------------
958         // now start shifting the bits in.  Start with the left channel then the right.
959         // ----------------------------------------------------------------------------
960         for (channel = 0; channel < 2; channel++) {
961 
962                 // ----------------------------------------------------------------------------
963                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
964                 // shift low to the first rising edge of the clock.
965                 // ----------------------------------------------------------------------------
966                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
967                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
968                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
969                 udelay(LOADSHIFT_DELAY);
970 
971                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
972                         if (channel == 0) {
973                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
974                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
975                                 else
976                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
977                         } else {
978                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
979                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
980                                 else
981                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
982                         }
983 
984                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
985                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
986                         udelay(SENSCLKPULSE_WIDTH);
987                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
988                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
989                         udelay(SENSCLKPULSE_WIDTH);
990                 }
991 
992                 // ----------------------------------------------------------------------------
993                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
994                 // bit if the clock rate is 48K otherwise write 0.
995                 // ----------------------------------------------------------------------------
996                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
997                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
998                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
999                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1000                 udelay(SENSCLKPULSE_WIDTH);
1001 
1002                 if (clkIs48K)
1003                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1004 
1005                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1006                 udelay(ONE_RTC_TICK);
1007                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1008                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1009                 udelay(SENSCLKPULSE_WIDTH);
1010                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1012                 udelay(SENSCLKPULSE_WIDTH);
1013         }
1014 
1015         // ----------------------------------------------------------------------------
1016         // The update is complete.  Set a timeout.  This is the inter-update delay.
1017         // Also, if the card was in monitor mode, restore it.
1018         // ----------------------------------------------------------------------------
1019         for (count = 0; count < 10; count++)
1020                 udelay(SENSCLKPULSE_WIDTH);
1021 
1022         if (monModeSet) {
1023                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1024                                 K1212_MODE_MonitorOn, 0, 0, 0);
1025                 if (rc)
1026                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1027                                            rc, stateName[korg1212->cardState]);
1028         }
1029 
1030         spin_unlock_irqrestore(&korg1212->lock, flags);
1031 
1032         return 1;
1033 }
1034 
1035 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1036 {
1037         int channel, rc;
1038 
1039         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1040                            stateName[korg1212->cardState]);
1041 
1042         // ----------------------------------------------------
1043         // tell the card to boot
1044         // ----------------------------------------------------
1045         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1046 
1047         if (rc)
1048                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1049                                    rc, stateName[korg1212->cardState]);
1050         msleep(DSP_BOOT_DELAY_IN_MS);
1051 
1052         // --------------------------------------------------------------------------------
1053         // Let the card know where all the buffers are.
1054         // --------------------------------------------------------------------------------
1055         rc = snd_korg1212_Send1212Command(korg1212,
1056                         K1212_DB_ConfigureBufferMemory,
1057                         LowerWordSwap(korg1212->PlayDataPhy),
1058                         LowerWordSwap(korg1212->RecDataPhy),
1059                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1060                                                                    // is based on 2 buffers
1061                         0
1062         );
1063 
1064         if (rc)
1065                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1066                                    rc, stateName[korg1212->cardState]);
1067 
1068         udelay(INTERCOMMAND_DELAY);
1069 
1070         rc = snd_korg1212_Send1212Command(korg1212,
1071                         K1212_DB_ConfigureMiscMemory,
1072                         LowerWordSwap(korg1212->VolumeTablePhy),
1073                         LowerWordSwap(korg1212->RoutingTablePhy),
1074                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1075                         0
1076         );
1077 
1078         if (rc)
1079                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1080                                    rc, stateName[korg1212->cardState]);
1081 
1082         // --------------------------------------------------------------------------------
1083         // Initialize the routing and volume tables, then update the card's state.
1084         // --------------------------------------------------------------------------------
1085         udelay(INTERCOMMAND_DELAY);
1086 
1087         for (channel = 0; channel < kAudioChannels; channel++) {
1088                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1089                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1090                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1091         }
1092 
1093         snd_korg1212_WriteADCSensitivity(korg1212);
1094 
1095         udelay(INTERCOMMAND_DELAY);
1096         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1097                                           ClockSourceSelector[korg1212->clkSrcRate],
1098                                           0, 0, 0);
1099         if (rc)
1100                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1101                                    rc, stateName[korg1212->cardState]);
1102 
1103         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1104         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1105 
1106         if (rc)
1107                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1108                                    rc, stateName[korg1212->cardState]);
1109 
1110         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1111 }
1112 
1113 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1114 {
1115         u32 doorbellValue;
1116         struct snd_korg1212 *korg1212 = dev_id;
1117 
1118         doorbellValue = readl(korg1212->inDoorbellPtr);
1119 
1120         if (!doorbellValue)
1121                 return IRQ_NONE;
1122 
1123         spin_lock(&korg1212->lock);
1124 
1125         writel(doorbellValue, korg1212->inDoorbellPtr);
1126 
1127         korg1212->irqcount++;
1128 
1129         korg1212->inIRQ++;
1130 
1131         switch (doorbellValue) {
1132                 case K1212_DB_DSPDownloadDone:
1133                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1134                                            korg1212->irqcount, doorbellValue,
1135                                            stateName[korg1212->cardState]);
1136                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1137                                 korg1212->dsp_is_loaded = 1;
1138                                 wake_up(&korg1212->wait);
1139                         }
1140                         break;
1141 
1142                 // ------------------------------------------------------------------------
1143                 // an error occurred - stop the card
1144                 // ------------------------------------------------------------------------
1145                 case K1212_DB_DMAERROR:
1146                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1147                                                    korg1212->irqcount, doorbellValue,
1148                                                    stateName[korg1212->cardState]);
1149                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1150                         korg1212->errorcnt++;
1151                         korg1212->totalerrorcnt++;
1152                         korg1212->sharedBufferPtr->cardCommand = 0;
1153                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1154                         break;
1155 
1156                 // ------------------------------------------------------------------------
1157                 // the card has stopped by our request.  Clear the command word and signal
1158                 // the semaphore in case someone is waiting for this.
1159                 // ------------------------------------------------------------------------
1160                 case K1212_DB_CARDSTOPPED:
1161                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1162                                                    korg1212->irqcount, doorbellValue,
1163                                                    stateName[korg1212->cardState]);
1164                         korg1212->sharedBufferPtr->cardCommand = 0;
1165                         break;
1166 
1167                 default:
1168                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1169                                korg1212->irqcount, doorbellValue, 
1170                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1171                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1172                                 korg1212->currentBuffer++;
1173 
1174                                 if (korg1212->currentBuffer >= kNumBuffers)
1175                                         korg1212->currentBuffer = 0;
1176 
1177                                 if (!korg1212->running)
1178                                         break;
1179 
1180                                 if (korg1212->capture_substream) {
1181                                         spin_unlock(&korg1212->lock);
1182                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1183                                         spin_lock(&korg1212->lock);
1184                                 }
1185 
1186                                 if (korg1212->playback_substream) {
1187                                         spin_unlock(&korg1212->lock);
1188                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1189                                         spin_lock(&korg1212->lock);
1190                                 }
1191                         }
1192                         break;
1193         }
1194 
1195         korg1212->inIRQ--;
1196 
1197         spin_unlock(&korg1212->lock);
1198 
1199         return IRQ_HANDLED;
1200 }
1201 
1202 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1203 {
1204         int rc;
1205 
1206         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1207                            stateName[korg1212->cardState]);
1208 
1209         // ---------------------------------------------------------------
1210         // verify the state of the card before proceeding.
1211         // ---------------------------------------------------------------
1212         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1213                 return 1;
1214 
1215         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1216 
1217         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1218                                      UpperWordSwap(korg1212->dma_dsp.addr),
1219                                      0, 0, 0);
1220         if (rc)
1221                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1222                                    rc, stateName[korg1212->cardState]);
1223 
1224         korg1212->dsp_is_loaded = 0;
1225         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1226         if (! korg1212->dsp_is_loaded )
1227                 return -EBUSY; /* timeout */
1228 
1229         snd_korg1212_OnDSPDownloadComplete(korg1212);
1230 
1231         return 0;
1232 }
1233 
1234 static struct snd_pcm_hardware snd_korg1212_playback_info =
1235 {
1236         .info =              (SNDRV_PCM_INFO_MMAP |
1237                               SNDRV_PCM_INFO_MMAP_VALID |
1238                               SNDRV_PCM_INFO_INTERLEAVED |
1239                               SNDRV_PCM_INFO_BATCH),
1240         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1241         .rates =              (SNDRV_PCM_RATE_44100 |
1242                               SNDRV_PCM_RATE_48000),
1243         .rate_min =           44100,
1244         .rate_max =           48000,
1245         .channels_min =       K1212_MIN_CHANNELS,
1246         .channels_max =       K1212_MAX_CHANNELS,
1247         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1248         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1249         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1250         .periods_min =        K1212_PERIODS,
1251         .periods_max =        K1212_PERIODS,
1252         .fifo_size =          0,
1253 };
1254 
1255 static struct snd_pcm_hardware snd_korg1212_capture_info =
1256 {
1257         .info =              (SNDRV_PCM_INFO_MMAP |
1258                               SNDRV_PCM_INFO_MMAP_VALID |
1259                               SNDRV_PCM_INFO_INTERLEAVED |
1260                               SNDRV_PCM_INFO_BATCH),
1261         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1262         .rates =              (SNDRV_PCM_RATE_44100 |
1263                               SNDRV_PCM_RATE_48000),
1264         .rate_min =           44100,
1265         .rate_max =           48000,
1266         .channels_min =       K1212_MIN_CHANNELS,
1267         .channels_max =       K1212_MAX_CHANNELS,
1268         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1269         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1270         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1271         .periods_min =        K1212_PERIODS,
1272         .periods_max =        K1212_PERIODS,
1273         .fifo_size =          0,
1274 };
1275 
1276 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1277 {
1278         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1279         int i;
1280 
1281         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1282                                    pos, offset, size, count);
1283         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1284                 return -EINVAL;
1285 
1286         for (i=0; i < count; i++) {
1287 #if K1212_DEBUG_LEVEL > 0
1288                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1289                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1290                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1291                                dst, i);
1292                         return -EFAULT;
1293                 }
1294 #endif
1295                 memset((void*) dst + offset, 0, size);
1296                 dst++;
1297         }
1298 
1299         return 0;
1300 }
1301 
1302 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1303 {
1304         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1305         int i, rc;
1306 
1307         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1308                                    pos, offset, size);
1309         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1310                 return -EINVAL;
1311 
1312         for (i=0; i < count; i++) {
1313 #if K1212_DEBUG_LEVEL > 0
1314                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1315                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1316                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1317                         return -EFAULT;
1318                 }
1319 #endif
1320                 rc = copy_to_user(dst + offset, src, size);
1321                 if (rc) {
1322                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1323                         return -EFAULT;
1324                 }
1325                 src++;
1326                 dst += size;
1327         }
1328 
1329         return 0;
1330 }
1331 
1332 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1333 {
1334         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1335         int i, rc;
1336 
1337         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1338                                    pos, offset, size, count);
1339 
1340         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1341                 return -EINVAL;
1342 
1343         for (i=0; i < count; i++) {
1344 #if K1212_DEBUG_LEVEL > 0
1345                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1346                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1347                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1348                         return -EFAULT;
1349                 }
1350 #endif
1351                 rc = copy_from_user((void*) dst + offset, src, size);
1352                 if (rc) {
1353                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1354                         return -EFAULT;
1355                 }
1356                 dst++;
1357                 src += size;
1358         }
1359 
1360         return 0;
1361 }
1362 
1363 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1364 {
1365         struct snd_korg1212 *korg1212 = pcm->private_data;
1366 
1367         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1368                            stateName[korg1212->cardState]);
1369 
1370         korg1212->pcm = NULL;
1371 }
1372 
1373 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1374 {
1375         unsigned long flags;
1376         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1377         struct snd_pcm_runtime *runtime = substream->runtime;
1378 
1379         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1380                            stateName[korg1212->cardState]);
1381 
1382         snd_korg1212_OpenCard(korg1212);
1383 
1384         runtime->hw = snd_korg1212_playback_info;
1385         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1386 
1387         spin_lock_irqsave(&korg1212->lock, flags);
1388 
1389         korg1212->playback_substream = substream;
1390         korg1212->playback_pid = current->pid;
1391         korg1212->periodsize = K1212_PERIODS;
1392         korg1212->channels = K1212_CHANNELS;
1393         korg1212->errorcnt = 0;
1394 
1395         spin_unlock_irqrestore(&korg1212->lock, flags);
1396 
1397         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1398         return 0;
1399 }
1400 
1401 
1402 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1403 {
1404         unsigned long flags;
1405         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1406         struct snd_pcm_runtime *runtime = substream->runtime;
1407 
1408         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1409                            stateName[korg1212->cardState]);
1410 
1411         snd_korg1212_OpenCard(korg1212);
1412 
1413         runtime->hw = snd_korg1212_capture_info;
1414         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1415 
1416         spin_lock_irqsave(&korg1212->lock, flags);
1417 
1418         korg1212->capture_substream = substream;
1419         korg1212->capture_pid = current->pid;
1420         korg1212->periodsize = K1212_PERIODS;
1421         korg1212->channels = K1212_CHANNELS;
1422 
1423         spin_unlock_irqrestore(&korg1212->lock, flags);
1424 
1425         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1426                                      kPlayBufferFrames, kPlayBufferFrames);
1427         return 0;
1428 }
1429 
1430 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1431 {
1432         unsigned long flags;
1433         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1434 
1435         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1436                            stateName[korg1212->cardState]);
1437 
1438         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1439 
1440         spin_lock_irqsave(&korg1212->lock, flags);
1441 
1442         korg1212->playback_pid = -1;
1443         korg1212->playback_substream = NULL;
1444         korg1212->periodsize = 0;
1445 
1446         spin_unlock_irqrestore(&korg1212->lock, flags);
1447 
1448         snd_korg1212_CloseCard(korg1212);
1449         return 0;
1450 }
1451 
1452 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1453 {
1454         unsigned long flags;
1455         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1456 
1457         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1458                            stateName[korg1212->cardState]);
1459 
1460         spin_lock_irqsave(&korg1212->lock, flags);
1461 
1462         korg1212->capture_pid = -1;
1463         korg1212->capture_substream = NULL;
1464         korg1212->periodsize = 0;
1465 
1466         spin_unlock_irqrestore(&korg1212->lock, flags);
1467 
1468         snd_korg1212_CloseCard(korg1212);
1469         return 0;
1470 }
1471 
1472 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1473                              unsigned int cmd, void *arg)
1474 {
1475         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1476 
1477         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1478                 struct snd_pcm_channel_info *info = arg;
1479                 info->offset = 0;
1480                 info->first = info->channel * 16;
1481                 info->step = 256;
1482                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1483                 return 0;
1484         }
1485 
1486         return snd_pcm_lib_ioctl(substream, cmd, arg);
1487 }
1488 
1489 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1490                              struct snd_pcm_hw_params *params)
1491 {
1492         unsigned long flags;
1493         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1494         int err;
1495         pid_t this_pid;
1496         pid_t other_pid;
1497 
1498         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1499                            stateName[korg1212->cardState]);
1500 
1501         spin_lock_irqsave(&korg1212->lock, flags);
1502 
1503         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1504                 this_pid = korg1212->playback_pid;
1505                 other_pid = korg1212->capture_pid;
1506         } else {
1507                 this_pid = korg1212->capture_pid;
1508                 other_pid = korg1212->playback_pid;
1509         }
1510 
1511         if ((other_pid > 0) && (this_pid != other_pid)) {
1512 
1513                 /* The other stream is open, and not by the same
1514                    task as this one. Make sure that the parameters
1515                    that matter are the same.
1516                  */
1517 
1518                 if ((int)params_rate(params) != korg1212->clkRate) {
1519                         spin_unlock_irqrestore(&korg1212->lock, flags);
1520                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1521                         return -EBUSY;
1522                 }
1523 
1524                 spin_unlock_irqrestore(&korg1212->lock, flags);
1525                 return 0;
1526         }
1527 
1528         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1529                 spin_unlock_irqrestore(&korg1212->lock, flags);
1530                 return err;
1531         }
1532 
1533         korg1212->channels = params_channels(params);
1534         korg1212->periodsize = K1212_PERIOD_BYTES;
1535 
1536         spin_unlock_irqrestore(&korg1212->lock, flags);
1537 
1538         return 0;
1539 }
1540 
1541 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1542 {
1543         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1544         int rc;
1545 
1546         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1547                            stateName[korg1212->cardState]);
1548 
1549         spin_lock_irq(&korg1212->lock);
1550 
1551         /* FIXME: we should wait for ack! */
1552         if (korg1212->stop_pending_cnt > 0) {
1553                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1554                                    stateName[korg1212->cardState]);
1555                 spin_unlock_irq(&korg1212->lock);
1556                 return -EAGAIN;
1557                 /*
1558                 korg1212->sharedBufferPtr->cardCommand = 0;
1559                 del_timer(&korg1212->timer);
1560                 korg1212->stop_pending_cnt = 0;
1561                 */
1562         }
1563 
1564         rc = snd_korg1212_SetupForPlay(korg1212);
1565 
1566         korg1212->currentBuffer = 0;
1567 
1568         spin_unlock_irq(&korg1212->lock);
1569 
1570         return rc ? -EINVAL : 0;
1571 }
1572 
1573 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1574                            int cmd)
1575 {
1576         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1577         int rc;
1578 
1579         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1580                            stateName[korg1212->cardState], cmd);
1581 
1582         spin_lock(&korg1212->lock);
1583         switch (cmd) {
1584                 case SNDRV_PCM_TRIGGER_START:
1585 /*
1586                         if (korg1212->running) {
1587                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1588                                 break;
1589                         }
1590 */
1591                         korg1212->running++;
1592                         rc = snd_korg1212_TriggerPlay(korg1212);
1593                         break;
1594 
1595                 case SNDRV_PCM_TRIGGER_STOP:
1596 /*
1597                         if (!korg1212->running) {
1598                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1599                                 break;
1600                         }
1601 */
1602                         korg1212->running--;
1603                         rc = snd_korg1212_StopPlay(korg1212);
1604                         break;
1605 
1606                 default:
1607                         rc = 1;
1608                         break;
1609         }
1610         spin_unlock(&korg1212->lock);
1611         return rc ? -EINVAL : 0;
1612 }
1613 
1614 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1615 {
1616         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1617         snd_pcm_uframes_t pos;
1618 
1619         pos = korg1212->currentBuffer * kPlayBufferFrames;
1620 
1621         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1622                                    stateName[korg1212->cardState], pos);
1623 
1624         return pos;
1625 }
1626 
1627 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1628 {
1629         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1630         snd_pcm_uframes_t pos;
1631 
1632         pos = korg1212->currentBuffer * kPlayBufferFrames;
1633 
1634         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1635                                    stateName[korg1212->cardState], pos);
1636 
1637         return pos;
1638 }
1639 
1640 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1641                         int channel, /* not used (interleaved data) */
1642                         snd_pcm_uframes_t pos,
1643                         void __user *src,
1644                         snd_pcm_uframes_t count)
1645 {
1646         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1647 
1648         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1649                                    stateName[korg1212->cardState], pos, count);
1650  
1651         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1652 
1653 }
1654 
1655 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1656                            int channel, /* not used (interleaved data) */
1657                            snd_pcm_uframes_t pos,
1658                            snd_pcm_uframes_t count)
1659 {
1660         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1661 
1662         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1663                                    stateName[korg1212->cardState]);
1664 
1665         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1666 }
1667 
1668 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1669                         int channel, /* not used (interleaved data) */
1670                         snd_pcm_uframes_t pos,
1671                         void __user *dst,
1672                         snd_pcm_uframes_t count)
1673 {
1674         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1675 
1676         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1677                                    stateName[korg1212->cardState], pos, count);
1678 
1679         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1680 }
1681 
1682 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1683         .open =         snd_korg1212_playback_open,
1684         .close =        snd_korg1212_playback_close,
1685         .ioctl =        snd_korg1212_ioctl,
1686         .hw_params =    snd_korg1212_hw_params,
1687         .prepare =      snd_korg1212_prepare,
1688         .trigger =      snd_korg1212_trigger,
1689         .pointer =      snd_korg1212_playback_pointer,
1690         .copy =         snd_korg1212_playback_copy,
1691         .silence =      snd_korg1212_playback_silence,
1692 };
1693 
1694 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1695         .open =         snd_korg1212_capture_open,
1696         .close =        snd_korg1212_capture_close,
1697         .ioctl =        snd_korg1212_ioctl,
1698         .hw_params =    snd_korg1212_hw_params,
1699         .prepare =      snd_korg1212_prepare,
1700         .trigger =      snd_korg1212_trigger,
1701         .pointer =      snd_korg1212_capture_pointer,
1702         .copy =         snd_korg1212_capture_copy,
1703 };
1704 
1705 /*
1706  * Control Interface
1707  */
1708 
1709 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1710                                            struct snd_ctl_elem_info *uinfo)
1711 {
1712         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1713         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1714         return 0;
1715 }
1716 
1717 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1718                                           struct snd_ctl_elem_value *u)
1719 {
1720         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1721         int i = kcontrol->private_value;
1722 
1723         spin_lock_irq(&korg1212->lock);
1724 
1725         u->value.integer.value[0] = korg1212->volumePhase[i];
1726 
1727         if (i >= 8)
1728                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1729 
1730         spin_unlock_irq(&korg1212->lock);
1731 
1732         return 0;
1733 }
1734 
1735 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1736                                           struct snd_ctl_elem_value *u)
1737 {
1738         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1739         int change = 0;
1740         int i, val;
1741 
1742         spin_lock_irq(&korg1212->lock);
1743 
1744         i = kcontrol->private_value;
1745 
1746         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1747 
1748         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1749 
1750         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1751                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1752                 korg1212->sharedBufferPtr->volumeData[i] = val;
1753                 change = 1;
1754         }
1755 
1756         if (i >= 8) {
1757                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1758 
1759                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1760 
1761                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1762                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1763                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1764                         change = 1;
1765                 }
1766         }
1767 
1768         spin_unlock_irq(&korg1212->lock);
1769 
1770         return change;
1771 }
1772 
1773 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1774                                             struct snd_ctl_elem_info *uinfo)
1775 {
1776         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1777         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1778         uinfo->value.integer.min = k1212MinVolume;
1779         uinfo->value.integer.max = k1212MaxVolume;
1780         return 0;
1781 }
1782 
1783 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1784                                            struct snd_ctl_elem_value *u)
1785 {
1786         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1787         int i;
1788 
1789         spin_lock_irq(&korg1212->lock);
1790 
1791         i = kcontrol->private_value;
1792         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1793 
1794         if (i >= 8) 
1795                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1796 
1797         spin_unlock_irq(&korg1212->lock);
1798 
1799         return 0;
1800 }
1801 
1802 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1803                                            struct snd_ctl_elem_value *u)
1804 {
1805         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1806         int change = 0;
1807         int i;
1808         int val;
1809 
1810         spin_lock_irq(&korg1212->lock);
1811 
1812         i = kcontrol->private_value;
1813 
1814         if (u->value.integer.value[0] >= k1212MinVolume && 
1815             u->value.integer.value[0] >= k1212MaxVolume &&
1816             u->value.integer.value[0] !=
1817             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1818                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1819                 val *= u->value.integer.value[0];
1820                 korg1212->sharedBufferPtr->volumeData[i] = val;
1821                 change = 1;
1822         }
1823 
1824         if (i >= 8) {
1825                 if (u->value.integer.value[1] >= k1212MinVolume && 
1826                     u->value.integer.value[1] >= k1212MaxVolume &&
1827                     u->value.integer.value[1] !=
1828                     abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1829                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1830                         val *= u->value.integer.value[1];
1831                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1832                         change = 1;
1833                 }
1834         }
1835 
1836         spin_unlock_irq(&korg1212->lock);
1837 
1838         return change;
1839 }
1840 
1841 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1842                                            struct snd_ctl_elem_info *uinfo)
1843 {
1844         return snd_ctl_enum_info(uinfo,
1845                                  (kcontrol->private_value >= 8) ? 2 : 1,
1846                                  kAudioChannels, channelName);
1847 }
1848 
1849 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1850                                           struct snd_ctl_elem_value *u)
1851 {
1852         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1853         int i;
1854 
1855         spin_lock_irq(&korg1212->lock);
1856 
1857         i = kcontrol->private_value;
1858         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1859 
1860         if (i >= 8) 
1861                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1862 
1863         spin_unlock_irq(&korg1212->lock);
1864 
1865         return 0;
1866 }
1867 
1868 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1869                                           struct snd_ctl_elem_value *u)
1870 {
1871         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1872         int change = 0, i;
1873 
1874         spin_lock_irq(&korg1212->lock);
1875 
1876         i = kcontrol->private_value;
1877 
1878         if (u->value.enumerated.item[0] < kAudioChannels &&
1879             u->value.enumerated.item[0] !=
1880             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1881                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1882                 change = 1;
1883         }
1884 
1885         if (i >= 8) {
1886                 if (u->value.enumerated.item[1] < kAudioChannels &&
1887                     u->value.enumerated.item[1] !=
1888                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1889                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1890                         change = 1;
1891                 }
1892         }
1893 
1894         spin_unlock_irq(&korg1212->lock);
1895 
1896         return change;
1897 }
1898 
1899 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1900                                      struct snd_ctl_elem_info *uinfo)
1901 {
1902         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1903         uinfo->count = 2;
1904         uinfo->value.integer.min = k1212MaxADCSens;
1905         uinfo->value.integer.max = k1212MinADCSens;
1906         return 0;
1907 }
1908 
1909 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1910                                     struct snd_ctl_elem_value *u)
1911 {
1912         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1913 
1914         spin_lock_irq(&korg1212->lock);
1915 
1916         u->value.integer.value[0] = korg1212->leftADCInSens;
1917         u->value.integer.value[1] = korg1212->rightADCInSens;
1918 
1919         spin_unlock_irq(&korg1212->lock);
1920 
1921         return 0;
1922 }
1923 
1924 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1925                                     struct snd_ctl_elem_value *u)
1926 {
1927         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1928         int change = 0;
1929 
1930         spin_lock_irq(&korg1212->lock);
1931 
1932         if (u->value.integer.value[0] >= k1212MinADCSens &&
1933             u->value.integer.value[0] <= k1212MaxADCSens &&
1934             u->value.integer.value[0] != korg1212->leftADCInSens) {
1935                 korg1212->leftADCInSens = u->value.integer.value[0];
1936                 change = 1;
1937         }
1938         if (u->value.integer.value[1] >= k1212MinADCSens &&
1939             u->value.integer.value[1] <= k1212MaxADCSens &&
1940             u->value.integer.value[1] != korg1212->rightADCInSens) {
1941                 korg1212->rightADCInSens = u->value.integer.value[1];
1942                 change = 1;
1943         }
1944 
1945         spin_unlock_irq(&korg1212->lock);
1946 
1947         if (change)
1948                 snd_korg1212_WriteADCSensitivity(korg1212);
1949 
1950         return change;
1951 }
1952 
1953 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1954                                           struct snd_ctl_elem_info *uinfo)
1955 {
1956         return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1957 }
1958 
1959 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1960                                          struct snd_ctl_elem_value *ucontrol)
1961 {
1962         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1963 
1964         spin_lock_irq(&korg1212->lock);
1965 
1966         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1967 
1968         spin_unlock_irq(&korg1212->lock);
1969         return 0;
1970 }
1971 
1972 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1973                                          struct snd_ctl_elem_value *ucontrol)
1974 {
1975         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1976         unsigned int val;
1977         int change;
1978 
1979         val = ucontrol->value.enumerated.item[0] % 3;
1980         spin_lock_irq(&korg1212->lock);
1981         change = val != korg1212->clkSource;
1982         snd_korg1212_SetClockSource(korg1212, val);
1983         spin_unlock_irq(&korg1212->lock);
1984         return change;
1985 }
1986 
1987 #define MON_MIXER(ord,c_name)                                                                   \
1988         {                                                                                       \
1989                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1990                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1991                 .name =         c_name " Monitor Volume",                                       \
1992                 .info =         snd_korg1212_control_volume_info,                               \
1993                 .get =          snd_korg1212_control_volume_get,                                \
1994                 .put =          snd_korg1212_control_volume_put,                                \
1995                 .private_value = ord,                                                           \
1996         },                                                                                      \
1997         {                                                                                       \
1998                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1999                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2000                 .name =         c_name " Monitor Route",                                        \
2001                 .info =         snd_korg1212_control_route_info,                                \
2002                 .get =          snd_korg1212_control_route_get,                                 \
2003                 .put =          snd_korg1212_control_route_put,                                 \
2004                 .private_value = ord,                                                           \
2005         },                                                                                      \
2006         {                                                                                       \
2007                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2008                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2009                 .name =         c_name " Monitor Phase Invert",                                 \
2010                 .info =         snd_korg1212_control_phase_info,                                \
2011                 .get =          snd_korg1212_control_phase_get,                                 \
2012                 .put =          snd_korg1212_control_phase_put,                                 \
2013                 .private_value = ord,                                                           \
2014         }
2015 
2016 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2017         MON_MIXER(8, "Analog"),
2018         MON_MIXER(10, "SPDIF"), 
2019         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2020         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2021         {
2022                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2023                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2024                 .name =         "Sync Source",
2025                 .info =         snd_korg1212_control_sync_info,
2026                 .get =          snd_korg1212_control_sync_get,
2027                 .put =          snd_korg1212_control_sync_put,
2028         },
2029         {
2030                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2031                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2032                 .name =         "ADC Attenuation",
2033                 .info =         snd_korg1212_control_info,
2034                 .get =          snd_korg1212_control_get,
2035                 .put =          snd_korg1212_control_put,
2036         }
2037 };
2038 
2039 /*
2040  * proc interface
2041  */
2042 
2043 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2044                                    struct snd_info_buffer *buffer)
2045 {
2046         int n;
2047         struct snd_korg1212 *korg1212 = entry->private_data;
2048 
2049         snd_iprintf(buffer, korg1212->card->longname);
2050         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2051         snd_iprintf(buffer, "\nGeneral settings\n");
2052         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2053         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2054         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2055         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2056         snd_iprintf(buffer, "    Volume Info:\n");
2057         for (n=0; n<kAudioChannels; n++)
2058                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2059                                     channelName[n],
2060                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2061                                     korg1212->sharedBufferPtr->volumeData[n]);
2062         snd_iprintf(buffer, "\nGeneral status\n");
2063         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2064         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2065         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2066         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2067         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2068         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2069 }
2070 
2071 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2072 {
2073         struct snd_info_entry *entry;
2074 
2075         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2076                 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2077 }
2078 
2079 static int
2080 snd_korg1212_free(struct snd_korg1212 *korg1212)
2081 {
2082         snd_korg1212_TurnOffIdleMonitor(korg1212);
2083 
2084         if (korg1212->irq >= 0) {
2085                 snd_korg1212_DisableCardInterrupts(korg1212);
2086                 free_irq(korg1212->irq, korg1212);
2087                 korg1212->irq = -1;
2088         }
2089         
2090         if (korg1212->iobase != NULL) {
2091                 iounmap(korg1212->iobase);
2092                 korg1212->iobase = NULL;
2093         }
2094         
2095         pci_release_regions(korg1212->pci);
2096 
2097         // ----------------------------------------------------
2098         // free up memory resources used for the DSP download.
2099         // ----------------------------------------------------
2100         if (korg1212->dma_dsp.area) {
2101                 snd_dma_free_pages(&korg1212->dma_dsp);
2102                 korg1212->dma_dsp.area = NULL;
2103         }
2104 
2105 #ifndef K1212_LARGEALLOC
2106 
2107         // ------------------------------------------------------
2108         // free up memory resources used for the Play/Rec Buffers
2109         // ------------------------------------------------------
2110         if (korg1212->dma_play.area) {
2111                 snd_dma_free_pages(&korg1212->dma_play);
2112                 korg1212->dma_play.area = NULL;
2113         }
2114 
2115         if (korg1212->dma_rec.area) {
2116                 snd_dma_free_pages(&korg1212->dma_rec);
2117                 korg1212->dma_rec.area = NULL;
2118         }
2119 
2120 #endif
2121 
2122         // ----------------------------------------------------
2123         // free up memory resources used for the Shared Buffers
2124         // ----------------------------------------------------
2125         if (korg1212->dma_shared.area) {
2126                 snd_dma_free_pages(&korg1212->dma_shared);
2127                 korg1212->dma_shared.area = NULL;
2128         }
2129         
2130         pci_disable_device(korg1212->pci);
2131         kfree(korg1212);
2132         return 0;
2133 }
2134 
2135 static int snd_korg1212_dev_free(struct snd_device *device)
2136 {
2137         struct snd_korg1212 *korg1212 = device->device_data;
2138         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2139         return snd_korg1212_free(korg1212);
2140 }
2141 
2142 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2143                                struct snd_korg1212 **rchip)
2144 
2145 {
2146         int err, rc;
2147         unsigned int i;
2148         unsigned ioport_size, iomem_size, iomem2_size;
2149         struct snd_korg1212 * korg1212;
2150         const struct firmware *dsp_code;
2151 
2152         static struct snd_device_ops ops = {
2153                 .dev_free = snd_korg1212_dev_free,
2154         };
2155 
2156         * rchip = NULL;
2157         if ((err = pci_enable_device(pci)) < 0)
2158                 return err;
2159 
2160         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2161         if (korg1212 == NULL) {
2162                 pci_disable_device(pci);
2163                 return -ENOMEM;
2164         }
2165 
2166         korg1212->card = card;
2167         korg1212->pci = pci;
2168 
2169         init_waitqueue_head(&korg1212->wait);
2170         spin_lock_init(&korg1212->lock);
2171         mutex_init(&korg1212->open_mutex);
2172         setup_timer(&korg1212->timer, snd_korg1212_timer_func,
2173                     (unsigned long)korg1212);
2174 
2175         korg1212->irq = -1;
2176         korg1212->clkSource = K1212_CLKIDX_Local;
2177         korg1212->clkRate = 44100;
2178         korg1212->inIRQ = 0;
2179         korg1212->running = 0;
2180         korg1212->opencnt = 0;
2181         korg1212->playcnt = 0;
2182         korg1212->setcnt = 0;
2183         korg1212->totalerrorcnt = 0;
2184         korg1212->playback_pid = -1;
2185         korg1212->capture_pid = -1;
2186         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2187         korg1212->idleMonitorOn = 0;
2188         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2189         korg1212->leftADCInSens = k1212MaxADCSens;
2190         korg1212->rightADCInSens = k1212MaxADCSens;
2191 
2192         for (i=0; i<kAudioChannels; i++)
2193                 korg1212->volumePhase[i] = 0;
2194 
2195         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2196                 kfree(korg1212);
2197                 pci_disable_device(pci);
2198                 return err;
2199         }
2200 
2201         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2202         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2203         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2204 
2205         iomem_size = pci_resource_len(korg1212->pci, 0);
2206         ioport_size = pci_resource_len(korg1212->pci, 1);
2207         iomem2_size = pci_resource_len(korg1212->pci, 2);
2208 
2209         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2210                    "    iomem = 0x%lx (%d)\n"
2211                    "    ioport  = 0x%lx (%d)\n"
2212                    "    iomem = 0x%lx (%d)\n"
2213                    "    [%s]\n",
2214                    korg1212->iomem, iomem_size,
2215                    korg1212->ioport, ioport_size,
2216                    korg1212->iomem2, iomem2_size,
2217                    stateName[korg1212->cardState]);
2218 
2219         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2220                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2221                            korg1212->iomem + iomem_size - 1);
2222                 snd_korg1212_free(korg1212);
2223                 return -EBUSY;
2224         }
2225 
2226         err = request_irq(pci->irq, snd_korg1212_interrupt,
2227                           IRQF_SHARED,
2228                           KBUILD_MODNAME, korg1212);
2229 
2230         if (err) {
2231                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2232                 snd_korg1212_free(korg1212);
2233                 return -EBUSY;
2234         }
2235 
2236         korg1212->irq = pci->irq;
2237 
2238         pci_set_master(korg1212->pci);
2239 
2240         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2241         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2242         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2243         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2244         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2245         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2246         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2247         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2248         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2249         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2250 
2251         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2252                    "    Status register = 0x%p\n"
2253                    "    OutDoorbell     = 0x%p\n"
2254                    "    InDoorbell      = 0x%p\n"
2255                    "    Mailbox0        = 0x%p\n"
2256                    "    Mailbox1        = 0x%p\n"
2257                    "    Mailbox2        = 0x%p\n"
2258                    "    Mailbox3        = 0x%p\n"
2259                    "    ControlReg      = 0x%p\n"
2260                    "    SensReg         = 0x%p\n"
2261                    "    IDReg           = 0x%p\n"
2262                    "    [%s]\n",
2263                    korg1212->statusRegPtr,
2264                    korg1212->outDoorbellPtr,
2265                    korg1212->inDoorbellPtr,
2266                    korg1212->mailbox0Ptr,
2267                    korg1212->mailbox1Ptr,
2268                    korg1212->mailbox2Ptr,
2269                    korg1212->mailbox3Ptr,
2270                    korg1212->controlRegPtr,
2271                    korg1212->sensRegPtr,
2272                    korg1212->idRegPtr,
2273                    stateName[korg1212->cardState]);
2274 
2275         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2276                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2277                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2278                 snd_korg1212_free(korg1212);
2279                 return -ENOMEM;
2280         }
2281         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2282         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2283 
2284         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2285 
2286 #ifndef K1212_LARGEALLOC
2287 
2288         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2289 
2290         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2291                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2292                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2293                 snd_korg1212_free(korg1212);
2294                 return -ENOMEM;
2295         }
2296         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2297         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2298 
2299         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2300                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2301 
2302         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2303                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2304                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2305                 snd_korg1212_free(korg1212);
2306                 return -ENOMEM;
2307         }
2308         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2309         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2310 
2311         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2312                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2313 
2314 #else // K1212_LARGEALLOC
2315 
2316         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2317         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2318         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2319         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2320 
2321 #endif // K1212_LARGEALLOC
2322 
2323         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2324                 offsetof(struct KorgSharedBuffer, volumeData);
2325         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2326                 offsetof(struct KorgSharedBuffer, routeData);
2327         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2328                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2329 
2330         err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2331         if (err < 0) {
2332                 release_firmware(dsp_code);
2333                 snd_printk(KERN_ERR "firmware not available\n");
2334                 snd_korg1212_free(korg1212);
2335                 return err;
2336         }
2337 
2338         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2339                                 dsp_code->size, &korg1212->dma_dsp) < 0) {
2340                 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2341                 snd_korg1212_free(korg1212);
2342                 release_firmware(dsp_code);
2343                 return -ENOMEM;
2344         }
2345 
2346         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2347                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2348                    stateName[korg1212->cardState]);
2349 
2350         memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2351 
2352         release_firmware(dsp_code);
2353 
2354         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2355 
2356         if (rc)
2357                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2358 
2359         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2360                 snd_korg1212_free(korg1212);
2361                 return err;
2362         }
2363         
2364         snd_korg1212_EnableCardInterrupts(korg1212);
2365 
2366         mdelay(CARD_BOOT_DELAY_IN_MS);
2367 
2368         if (snd_korg1212_downloadDSPCode(korg1212))
2369                 return -EBUSY;
2370 
2371         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2372                "PlayDataPhy = %08x L[%08x]\n"
2373                "korg1212: RecDataPhy = %08x L[%08x], "
2374                "VolumeTablePhy = %08x L[%08x]\n"
2375                "korg1212: RoutingTablePhy = %08x L[%08x], "
2376                "AdatTimeCodePhy = %08x L[%08x]\n",
2377                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2378                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2379                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2380                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2381                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2382                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2383 
2384         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2385                 return err;
2386 
2387         korg1212->pcm->private_data = korg1212;
2388         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2389         strcpy(korg1212->pcm->name, "korg1212");
2390 
2391         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2392         
2393         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2394 
2395         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2396 
2397         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2398                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2399                 if (err < 0)
2400                         return err;
2401         }
2402 
2403         snd_korg1212_proc_init(korg1212);
2404         
2405         * rchip = korg1212;
2406         return 0;
2407 
2408 }
2409 
2410 /*
2411  * Card initialisation
2412  */
2413 
2414 static int
2415 snd_korg1212_probe(struct pci_dev *pci,
2416                 const struct pci_device_id *pci_id)
2417 {
2418         static int dev;
2419         struct snd_korg1212 *korg1212;
2420         struct snd_card *card;
2421         int err;
2422 
2423         if (dev >= SNDRV_CARDS) {
2424                 return -ENODEV;
2425         }
2426         if (!enable[dev]) {
2427                 dev++;
2428                 return -ENOENT;
2429         }
2430         err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2431                            0, &card);
2432         if (err < 0)
2433                 return err;
2434 
2435         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2436                 snd_card_free(card);
2437                 return err;
2438         }
2439 
2440         strcpy(card->driver, "korg1212");
2441         strcpy(card->shortname, "korg1212");
2442         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2443                 korg1212->iomem, korg1212->irq);
2444 
2445         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2446 
2447         if ((err = snd_card_register(card)) < 0) {
2448                 snd_card_free(card);
2449                 return err;
2450         }
2451         pci_set_drvdata(pci, card);
2452         dev++;
2453         return 0;
2454 }
2455 
2456 static void snd_korg1212_remove(struct pci_dev *pci)
2457 {
2458         snd_card_free(pci_get_drvdata(pci));
2459 }
2460 
2461 static struct pci_driver korg1212_driver = {
2462         .name = KBUILD_MODNAME,
2463         .id_table = snd_korg1212_ids,
2464         .probe = snd_korg1212_probe,
2465         .remove = snd_korg1212_remove,
2466 };
2467 
2468 module_pci_driver(korg1212_driver);
2469 

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