GNU Linux-libre 6.9.1-gnu
[releases.git] / sound / pci / korg1212 / korg1212.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *   Driver for the Korg 1212 IO PCI card
4  *
5  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
6  */
7
8 #include <linux/delay.h>
9 #include <linux/init.h>
10 #include <linux/interrupt.h>
11 #include <linux/pci.h>
12 #include <linux/slab.h>
13 #include <linux/wait.h>
14 #include <linux/module.h>
15 #include <linux/mutex.h>
16 #include <linux/firmware.h>
17 #include <linux/io.h>
18
19 #include <sound/core.h>
20 #include <sound/info.h>
21 #include <sound/control.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/initval.h>
25
26 // ----------------------------------------------------------------------------
27 // Debug Stuff
28 // ----------------------------------------------------------------------------
29 #define K1212_DEBUG_LEVEL               0
30 #if K1212_DEBUG_LEVEL > 0
31 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
32 #else
33 #define K1212_DEBUG_PRINTK(fmt,...)     do { } while (0)
34 #endif
35 #if K1212_DEBUG_LEVEL > 1
36 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
37 #else
38 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
39 #endif
40
41 // ----------------------------------------------------------------------------
42 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
43 // buffers are alocated as a large piece inside KorgSharedBuffer.
44 // ----------------------------------------------------------------------------
45 //#define K1212_LARGEALLOC              1
46
47 // ----------------------------------------------------------------------------
48 // Valid states of the Korg 1212 I/O card.
49 // ----------------------------------------------------------------------------
50 enum CardState {
51    K1212_STATE_NONEXISTENT,             // there is no card here
52    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
53    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
54    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
55    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
56                                         //    requests prior to this state should fail.  Only an open
57                                         //    request can be made at this state.
58    K1212_STATE_OPEN,                    // an application has opened the card
59    K1212_STATE_SETUP,                   // the card has been setup for play
60    K1212_STATE_PLAYING,                 // the card is playing
61    K1212_STATE_MONITOR,                 // the card is in the monitor mode
62    K1212_STATE_CALIBRATING,             // the card is currently calibrating
63    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
64                                         //    are in the process of cleaning things up.
65    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
66 };
67
68 // ----------------------------------------------------------------------------
69 // The following enumeration defines the constants written to the card's
70 // host-to-card doorbell to initiate a command.
71 // ----------------------------------------------------------------------------
72 enum korg1212_dbcnst {
73    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
74    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
75    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
76    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
77    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
78    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
79    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
80    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
81                                           //    timecode value.
82    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
83    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
84    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
85    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
86                                           //    on page 4 (local page to card).
87    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
88                                           //    completed.
89    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
90 };
91
92
93 // ----------------------------------------------------------------------------
94 // The following enumeration defines return codes 
95 // to the Korg 1212 I/O driver.
96 // ----------------------------------------------------------------------------
97 enum snd_korg1212rc {
98    K1212_CMDRET_Success         = 0,   // command was successfully placed
99    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
100    K1212_CMDRET_PMFailure,             // the protected mode call failed
101    K1212_CMDRET_FailUnspecified,       // unspecified failure
102    K1212_CMDRET_FailBadState,          // the specified command can not be given in
103                                        //    the card's current state. (or the wave device's
104                                        //    state)
105    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
106    K1212_CMDRET_BadIndex,              // an out of range card index was specified
107    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
108    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
109    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
110    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
111    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
112
113    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
114    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
115 };
116
117 // ----------------------------------------------------------------------------
118 // The following enumeration defines the constants used to select the play
119 // mode for the card in the SelectPlayMode command.
120 // ----------------------------------------------------------------------------
121 enum PlayModeSelector {
122    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
123    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
124    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
125    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
126 };
127
128 // ----------------------------------------------------------------------------
129 // The following enumeration defines the constants used to select the monitor
130 // mode for the card in the SetMonitorMode command.
131 // ----------------------------------------------------------------------------
132 enum MonitorModeSelector {
133    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
134    K1212_MONMODE_On            // tells card to turn on monitor mode
135 };
136
137 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
138 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
139 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
140 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
141 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
142 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
143 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
144 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
145                                         //    register
146 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
147                                         //    this is the upper word of the PCI control reg.
148 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
149
150 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
151                                        //    to send a command before giving up.
152 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
153                                         //    the card.
154 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
155
156 #define CARD_BOOT_DELAY_IN_MS  10
157 #define CARD_BOOT_TIMEOUT      10
158 #define DSP_BOOT_DELAY_IN_MS   200
159
160 #define kNumBuffers             8
161 #define k1212MaxCards           4
162 #define k1212NumWaveDevices     6
163 #define k16BitChannels          10
164 #define k32BitChannels          2
165 #define kAudioChannels          (k16BitChannels + k32BitChannels)
166 #define kPlayBufferFrames       1024
167
168 #define K1212_ANALOG_CHANNELS   2
169 #define K1212_SPDIF_CHANNELS    2
170 #define K1212_ADAT_CHANNELS     8
171 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
172 #define K1212_MIN_CHANNELS      1
173 #define K1212_MAX_CHANNELS      K1212_CHANNELS
174 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
175 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
176 #define K1212_PERIODS           (kNumBuffers)
177 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
178 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
179 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
180 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
181 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
182 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
183
184 #define k1212MinADCSens     0x00
185 #define k1212MaxADCSens     0x7f
186 #define k1212MaxVolume      0x7fff
187 #define k1212MaxWaveVolume  0xffff
188 #define k1212MinVolume      0x0000
189 #define k1212MaxVolInverted 0x8000
190
191 // -----------------------------------------------------------------
192 // the following bits are used for controlling interrupts in the
193 // interrupt control/status reg
194 // -----------------------------------------------------------------
195 #define  PCI_INT_ENABLE_BIT               0x00000100
196 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
197 #define  LOCAL_INT_ENABLE_BIT             0x00010000
198 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
199 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
200
201 // -----------------------------------------------------------------
202 // the following bits are defined for the PCI command register
203 // -----------------------------------------------------------------
204 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
205 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
206 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
207
208 // -----------------------------------------------------------------
209 // the following bits are defined for the PCI status register
210 // -----------------------------------------------------------------
211 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
212 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
213 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
214 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
215 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
216
217 // ------------------------------------------------------------------------
218 // the following constants are used in setting the 1212 I/O card's input
219 // sensitivity.
220 // ------------------------------------------------------------------------
221 #define  SET_SENS_LOCALINIT_BITPOS        15
222 #define  SET_SENS_DATA_BITPOS             10
223 #define  SET_SENS_CLOCK_BITPOS            8
224 #define  SET_SENS_LOADSHIFT_BITPOS        0
225
226 #define  SET_SENS_LEFTCHANID              0x00
227 #define  SET_SENS_RIGHTCHANID             0x01
228
229 #define  K1212SENSUPDATE_DELAY_IN_MS      50
230
231 // --------------------------------------------------------------------------
232 // WaitRTCTicks
233 //
234 //    This function waits the specified number of real time clock ticks.
235 //    According to the DDK, each tick is ~0.8 microseconds.
236 //    The defines following the function declaration can be used for the
237 //    numTicksToWait parameter.
238 // --------------------------------------------------------------------------
239 #define ONE_RTC_TICK         1
240 #define SENSCLKPULSE_WIDTH   4
241 #define LOADSHIFT_DELAY      4
242 #define INTERCOMMAND_DELAY  40
243 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
244                                        //    the command register.  (could be up to 180 us)
245 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
246                                        //    from the card after sending a command.
247
248 enum ClockSourceIndex {
249    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
250    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
251    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
252    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
253    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
254    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
255    K1212_CLKIDX_Invalid             // used to check validity of the index
256 };
257
258 enum ClockSourceType {
259    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
260    K1212_CLKIDX_Word,        // selects source as S/PDIF
261    K1212_CLKIDX_Local        // selects source as local clock
262 };
263
264 struct KorgAudioFrame {
265         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
266         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
267         u32 timeCodeVal; /* holds the ADAT timecode value */
268 };
269
270 struct KorgAudioBuffer {
271         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
272 };
273
274 struct KorgSharedBuffer {
275 #ifdef K1212_LARGEALLOC
276    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
277    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
278 #endif
279    short             volumeData[kAudioChannels];
280    u32               cardCommand;
281    u16               routeData [kAudioChannels];
282    u32               AdatTimeCode;                 // ADAT timecode value
283 };
284
285 struct SensBits {
286    union {
287       struct {
288          unsigned int leftChanVal:8;
289          unsigned int leftChanId:8;
290       } v;
291       u16  leftSensBits;
292    } l;
293    union {
294       struct {
295          unsigned int rightChanVal:8;
296          unsigned int rightChanId:8;
297       } v;
298       u16  rightSensBits;
299    } r;
300 };
301
302 struct snd_korg1212 {
303         struct snd_card *card;
304         struct pci_dev *pci;
305         struct snd_pcm *pcm;
306         int irq;
307
308         spinlock_t    lock;
309         struct mutex open_mutex;
310
311         struct timer_list timer;        /* timer callback for checking ack of stop request */
312         int stop_pending_cnt;           /* counter for stop pending check */
313
314         wait_queue_head_t wait;
315
316         unsigned long iomem;
317         unsigned long ioport;
318         unsigned long iomem2;
319         unsigned long irqcount;
320         unsigned long inIRQ;
321         void __iomem *iobase;
322
323         struct snd_dma_buffer *dma_dsp;
324         struct snd_dma_buffer *dma_play;
325         struct snd_dma_buffer *dma_rec;
326         struct snd_dma_buffer *dma_shared;
327
328         u32 DataBufsSize;
329
330         struct KorgAudioBuffer  * playDataBufsPtr;
331         struct KorgAudioBuffer  * recordDataBufsPtr;
332
333         struct KorgSharedBuffer * sharedBufferPtr;
334
335         u32 RecDataPhy;
336         u32 PlayDataPhy;
337         unsigned long sharedBufferPhy;
338         u32 VolumeTablePhy;
339         u32 RoutingTablePhy;
340         u32 AdatTimeCodePhy;
341
342         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
343         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
344         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
345         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
346         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
347         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
348         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
349         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
350         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
351         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
352
353         size_t periodsize;
354         int channels;
355         int currentBuffer;
356
357         struct snd_pcm_substream *playback_substream;
358         struct snd_pcm_substream *capture_substream;
359
360         pid_t capture_pid;
361         pid_t playback_pid;
362
363         enum CardState cardState;
364         int running;
365         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
366         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
367
368         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
369
370         enum ClockSourceType clkSource;   // clock source
371         int clkRate;                 // clock rate
372
373         int volumePhase[kAudioChannels];
374
375         u16 leftADCInSens;           // ADC left channel input sensitivity
376         u16 rightADCInSens;          // ADC right channel input sensitivity
377
378         int opencnt;                 // Open/Close count
379         int setcnt;                  // SetupForPlay count
380         int playcnt;                 // TriggerPlay count
381         int errorcnt;                // Error Count
382         unsigned long totalerrorcnt; // Total Error Count
383
384         int dsp_is_loaded;
385         int dsp_stop_is_processed;
386
387 };
388
389 MODULE_DESCRIPTION("korg1212");
390 MODULE_LICENSE("GPL");
391 /*(DEBLOBBED)*/
392
393 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
394 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
395 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
396
397 module_param_array(index, int, NULL, 0444);
398 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
399 module_param_array(id, charp, NULL, 0444);
400 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
401 module_param_array(enable, bool, NULL, 0444);
402 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
403 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
404
405 static const struct pci_device_id snd_korg1212_ids[] = {
406         {
407                 .vendor    = 0x10b5,
408                 .device    = 0x906d,
409                 .subvendor = PCI_ANY_ID,
410                 .subdevice = PCI_ANY_ID,
411         },
412         { 0, },
413 };
414
415 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
416
417 static const char * const stateName[] = {
418         "Non-existent",
419         "Uninitialized",
420         "DSP download in process",
421         "DSP download complete",
422         "Ready",
423         "Open",
424         "Setup for play",
425         "Playing",
426         "Monitor mode on",
427         "Calibrating",
428         "Invalid"
429 };
430
431 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
432
433 static const char * const clockSourceName[] = {
434         "ADAT at 44.1 kHz",
435         "ADAT at 48 kHz",
436         "S/PDIF at 44.1 kHz",
437         "S/PDIF at 48 kHz",
438         "local clock at 44.1 kHz",
439         "local clock at 48 kHz"
440 };
441
442 static const char * const channelName[] = {
443         "ADAT-1",
444         "ADAT-2",
445         "ADAT-3",
446         "ADAT-4",
447         "ADAT-5",
448         "ADAT-6",
449         "ADAT-7",
450         "ADAT-8",
451         "Analog-L",
452         "Analog-R",
453         "SPDIF-L",
454         "SPDIF-R",
455 };
456
457 static const u16 ClockSourceSelector[] = {
458         0x8000,   // selects source as ADAT at 44.1 kHz
459         0x0000,   // selects source as ADAT at 48 kHz
460         0x8001,   // selects source as S/PDIF at 44.1 kHz
461         0x0001,   // selects source as S/PDIF at 48 kHz
462         0x8002,   // selects source as local clock at 44.1 kHz
463         0x0002    // selects source as local clock at 48 kHz
464 };
465
466 union swap_u32 { unsigned char c[4]; u32 i; };
467
468 #ifdef SNDRV_BIG_ENDIAN
469 static u32 LowerWordSwap(u32 swappee)
470 #else
471 static u32 UpperWordSwap(u32 swappee)
472 #endif
473 {
474    union swap_u32 retVal, swapper;
475
476    swapper.i = swappee;
477    retVal.c[2] = swapper.c[3];
478    retVal.c[3] = swapper.c[2];
479    retVal.c[1] = swapper.c[1];
480    retVal.c[0] = swapper.c[0];
481
482    return retVal.i;
483 }
484
485 #ifdef SNDRV_BIG_ENDIAN
486 static u32 UpperWordSwap(u32 swappee)
487 #else
488 static u32 LowerWordSwap(u32 swappee)
489 #endif
490 {
491    union swap_u32 retVal, swapper;
492
493    swapper.i = swappee;
494    retVal.c[2] = swapper.c[2];
495    retVal.c[3] = swapper.c[3];
496    retVal.c[1] = swapper.c[0];
497    retVal.c[0] = swapper.c[1];
498
499    return retVal.i;
500 }
501
502 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
503 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
504 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
505 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
506
507 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
508                                         enum korg1212_dbcnst doorbellVal,
509                                         u32 mailBox0Val, u32 mailBox1Val,
510                                         u32 mailBox2Val, u32 mailBox3Val)
511 {
512         u32 retryCount;
513         u16 mailBox3Lo;
514         int rc = K1212_CMDRET_Success;
515
516         if (!korg1212->outDoorbellPtr) {
517                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
518                 return K1212_CMDRET_CardUninitialized;
519         }
520
521         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
522                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
523         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
524                 writel(mailBox3Val, korg1212->mailbox3Ptr);
525                 writel(mailBox2Val, korg1212->mailbox2Ptr);
526                 writel(mailBox1Val, korg1212->mailbox1Ptr);
527                 writel(mailBox0Val, korg1212->mailbox0Ptr);
528                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
529
530                 // --------------------------------------------------------------
531                 // the reboot command will not give an acknowledgement.
532                 // --------------------------------------------------------------
533                 if ( doorbellVal == K1212_DB_RebootCard ||
534                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
535                         doorbellVal == K1212_DB_StartDSPDownload ) {
536                         rc = K1212_CMDRET_Success;
537                         break;
538                 }
539
540                 // --------------------------------------------------------------
541                 // See if the card acknowledged the command.  Wait a bit, then
542                 // read in the low word of mailbox3.  If the MSB is set and the
543                 // low byte is equal to the doorbell value, then it ack'd.
544                 // --------------------------------------------------------------
545                 udelay(COMMAND_ACK_DELAY);
546                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
547                 if (mailBox3Lo & COMMAND_ACK_MASK) {
548                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
549                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
550                                 rc = K1212_CMDRET_Success;
551                                 break;
552                         }
553                 }
554         }
555         korg1212->cmdRetryCount += retryCount;
556
557         if (retryCount >= MAX_COMMAND_RETRIES) {
558                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
559                 rc = K1212_CMDRET_NoAckFromCard;
560         }
561
562         return rc;
563 }
564
565 /* spinlock already held */
566 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
567 {
568         if (! korg1212->stop_pending_cnt) {
569                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
570                 /* program the timer */
571                 korg1212->stop_pending_cnt = HZ;
572                 mod_timer(&korg1212->timer, jiffies + 1);
573         }
574 }
575
576 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
577 {
578         unsigned long flags;
579         spin_lock_irqsave(&korg1212->lock, flags);
580         korg1212->dsp_stop_is_processed = 0;
581         snd_korg1212_SendStop(korg1212);
582         spin_unlock_irqrestore(&korg1212->lock, flags);
583         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
584 }
585
586 /* timer callback for checking the ack of stop request */
587 static void snd_korg1212_timer_func(struct timer_list *t)
588 {
589         struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
590         unsigned long flags;
591         
592         spin_lock_irqsave(&korg1212->lock, flags);
593         if (korg1212->sharedBufferPtr->cardCommand == 0) {
594                 /* ack'ed */
595                 korg1212->stop_pending_cnt = 0;
596                 korg1212->dsp_stop_is_processed = 1;
597                 wake_up(&korg1212->wait);
598                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
599                                            stateName[korg1212->cardState]);
600         } else {
601                 if (--korg1212->stop_pending_cnt > 0) {
602                         /* reprogram timer */
603                         mod_timer(&korg1212->timer, jiffies + 1);
604                 } else {
605                         snd_printd("korg1212_timer_func timeout\n");
606                         korg1212->sharedBufferPtr->cardCommand = 0;
607                         korg1212->dsp_stop_is_processed = 1;
608                         wake_up(&korg1212->wait);
609                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
610                                            stateName[korg1212->cardState]);
611                 }
612         }
613         spin_unlock_irqrestore(&korg1212->lock, flags);
614 }
615
616 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
617 {
618         unsigned long flags;
619         int rc;
620
621         udelay(INTERCOMMAND_DELAY);
622         spin_lock_irqsave(&korg1212->lock, flags);
623         korg1212->idleMonitorOn = 1;
624         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
625                                           K1212_MODE_MonitorOn, 0, 0, 0);
626         spin_unlock_irqrestore(&korg1212->lock, flags);
627         return rc;
628 }
629
630 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
631 {
632         if (korg1212->idleMonitorOn) {
633                 snd_korg1212_SendStopAndWait(korg1212);
634                 korg1212->idleMonitorOn = 0;
635         }
636 }
637
638 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
639 {
640         korg1212->cardState = csState;
641 }
642
643 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
644 {
645         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
646                            stateName[korg1212->cardState], korg1212->opencnt);
647         mutex_lock(&korg1212->open_mutex);
648         if (korg1212->opencnt++ == 0) {
649                 snd_korg1212_TurnOffIdleMonitor(korg1212);
650                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
651         }
652
653         mutex_unlock(&korg1212->open_mutex);
654         return 1;
655 }
656
657 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
658 {
659         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
660                            stateName[korg1212->cardState], korg1212->opencnt);
661
662         mutex_lock(&korg1212->open_mutex);
663         if (--(korg1212->opencnt)) {
664                 mutex_unlock(&korg1212->open_mutex);
665                 return 0;
666         }
667
668         if (korg1212->cardState == K1212_STATE_SETUP) {
669                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
670                                 K1212_MODE_StopPlay, 0, 0, 0);
671                 if (rc)
672                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
673                                            rc, stateName[korg1212->cardState]);
674                 if (rc != K1212_CMDRET_Success) {
675                         mutex_unlock(&korg1212->open_mutex);
676                         return 0;
677                 }
678         } else if (korg1212->cardState > K1212_STATE_SETUP) {
679                 snd_korg1212_SendStopAndWait(korg1212);
680         }
681
682         if (korg1212->cardState > K1212_STATE_READY) {
683                 snd_korg1212_TurnOnIdleMonitor(korg1212);
684                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
685         }
686
687         mutex_unlock(&korg1212->open_mutex);
688         return 0;
689 }
690
691 /* spinlock already held */
692 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
693 {
694         int rc;
695
696         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
697                            stateName[korg1212->cardState], korg1212->setcnt);
698
699         if (korg1212->setcnt++)
700                 return 0;
701
702         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
703         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
704                                         K1212_MODE_SetupPlay, 0, 0, 0);
705         if (rc)
706                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
707                                    rc, stateName[korg1212->cardState]);
708         if (rc != K1212_CMDRET_Success) {
709                 return 1;
710         }
711         return 0;
712 }
713
714 /* spinlock already held */
715 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
716 {
717         int rc;
718
719         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
720                            stateName[korg1212->cardState], korg1212->playcnt);
721
722         if (korg1212->playcnt++)
723                 return 0;
724
725         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
726         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
727         if (rc)
728                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
729                                    rc, stateName[korg1212->cardState]);
730         if (rc != K1212_CMDRET_Success) {
731                 return 1;
732         }
733         return 0;
734 }
735
736 /* spinlock already held */
737 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
738 {
739         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
740                            stateName[korg1212->cardState], korg1212->playcnt);
741
742         if (--(korg1212->playcnt)) 
743                 return 0;
744
745         korg1212->setcnt = 0;
746
747         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
748                 snd_korg1212_SendStop(korg1212);
749
750         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
751         return 0;
752 }
753
754 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
755 {
756         writel(PCI_INT_ENABLE_BIT            |
757                PCI_DOORBELL_INT_ENABLE_BIT   |
758                LOCAL_INT_ENABLE_BIT          |
759                LOCAL_DOORBELL_INT_ENABLE_BIT |
760                LOCAL_DMA1_INT_ENABLE_BIT,
761                korg1212->statusRegPtr);
762 }
763
764 #if 0 /* not used */
765
766 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
767                                        enum MonitorModeSelector mode)
768 {
769         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
770                            stateName[korg1212->cardState]);
771
772         switch (mode) {
773         case K1212_MONMODE_Off:
774                 if (korg1212->cardState != K1212_STATE_MONITOR)
775                         return 0;
776                 else {
777                         snd_korg1212_SendStopAndWait(korg1212);
778                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
779                 }
780                 break;
781
782         case K1212_MONMODE_On:
783                 if (korg1212->cardState != K1212_STATE_OPEN)
784                         return 0;
785                 else {
786                         int rc;
787                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
788                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
789                                                           K1212_MODE_MonitorOn, 0, 0, 0);
790                         if (rc != K1212_CMDRET_Success)
791                                 return 0;
792                 }
793                 break;
794
795         default:
796                 return 0;
797         }
798
799         return 1;
800 }
801
802 #endif /* not used */
803
804 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
805 {
806         if (korg1212->playback_pid != korg1212->capture_pid &&
807             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
808                 return 0;
809
810         return 1;
811 }
812
813 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
814 {
815         static const enum ClockSourceIndex s44[] = {
816                 K1212_CLKIDX_AdatAt44_1K,
817                 K1212_CLKIDX_WordAt44_1K,
818                 K1212_CLKIDX_LocalAt44_1K
819         };
820         static const enum ClockSourceIndex s48[] = {
821                 K1212_CLKIDX_AdatAt48K,
822                 K1212_CLKIDX_WordAt48K,
823                 K1212_CLKIDX_LocalAt48K
824         };
825         int parm, rc;
826
827         if (!snd_korg1212_use_is_exclusive (korg1212))
828                 return -EBUSY;
829
830         switch (rate) {
831         case 44100:
832                 parm = s44[korg1212->clkSource];
833                 break;
834
835         case 48000:
836                 parm = s48[korg1212->clkSource];
837                 break;
838
839         default:
840                 return -EINVAL;
841         }
842
843         korg1212->clkSrcRate = parm;
844         korg1212->clkRate = rate;
845
846         udelay(INTERCOMMAND_DELAY);
847         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
848                                           ClockSourceSelector[korg1212->clkSrcRate],
849                                           0, 0, 0);
850         if (rc)
851                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
852                                    rc, stateName[korg1212->cardState]);
853
854         return 0;
855 }
856
857 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
858 {
859
860         if (source < 0 || source > 2)
861                 return -EINVAL;
862
863         korg1212->clkSource = source;
864
865         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
866
867         return 0;
868 }
869
870 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
871 {
872         writel(0, korg1212->statusRegPtr);
873 }
874
875 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
876 {
877         struct SensBits  sensVals;
878         int       bitPosition;
879         int       channel;
880         int       clkIs48K;
881         int       monModeSet;
882         u16       controlValue;    // this keeps the current value to be written to
883                                    //  the card's eeprom control register.
884         u16       count;
885         unsigned long flags;
886
887         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
888                            stateName[korg1212->cardState]);
889
890         // ----------------------------------------------------------------------------
891         // initialize things.  The local init bit is always set when writing to the
892         // card's control register.
893         // ----------------------------------------------------------------------------
894         controlValue = 0;
895         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
896
897         // ----------------------------------------------------------------------------
898         // make sure the card is not in monitor mode when we do this update.
899         // ----------------------------------------------------------------------------
900         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
901                 monModeSet = 1;
902                 snd_korg1212_SendStopAndWait(korg1212);
903         } else
904                 monModeSet = 0;
905
906         spin_lock_irqsave(&korg1212->lock, flags);
907
908         // ----------------------------------------------------------------------------
909         // we are about to send new values to the card, so clear the new values queued
910         // flag.  Also, clear out mailbox 3, so we don't lockup.
911         // ----------------------------------------------------------------------------
912         writel(0, korg1212->mailbox3Ptr);
913         udelay(LOADSHIFT_DELAY);
914
915         // ----------------------------------------------------------------------------
916         // determine whether we are running a 48K or 44.1K clock.  This info is used
917         // later when setting the SPDIF FF after the volume has been shifted in.
918         // ----------------------------------------------------------------------------
919         switch (korg1212->clkSrcRate) {
920                 case K1212_CLKIDX_AdatAt44_1K:
921                 case K1212_CLKIDX_WordAt44_1K:
922                 case K1212_CLKIDX_LocalAt44_1K:
923                         clkIs48K = 0;
924                         break;
925
926                 case K1212_CLKIDX_WordAt48K:
927                 case K1212_CLKIDX_AdatAt48K:
928                 case K1212_CLKIDX_LocalAt48K:
929                 default:
930                         clkIs48K = 1;
931                         break;
932         }
933
934         // ----------------------------------------------------------------------------
935         // start the update.  Setup the bit structure and then shift the bits.
936         // ----------------------------------------------------------------------------
937         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
938         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
939         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
940         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
941
942         // ----------------------------------------------------------------------------
943         // now start shifting the bits in.  Start with the left channel then the right.
944         // ----------------------------------------------------------------------------
945         for (channel = 0; channel < 2; channel++) {
946
947                 // ----------------------------------------------------------------------------
948                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
949                 // shift low to the first rising edge of the clock.
950                 // ----------------------------------------------------------------------------
951                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
952                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
953                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
954                 udelay(LOADSHIFT_DELAY);
955
956                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
957                         if (channel == 0) {
958                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
959                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
960                                 else
961                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
962                         } else {
963                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
964                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
965                                 else
966                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
967                         }
968
969                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
970                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
971                         udelay(SENSCLKPULSE_WIDTH);
972                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
973                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
974                         udelay(SENSCLKPULSE_WIDTH);
975                 }
976
977                 // ----------------------------------------------------------------------------
978                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
979                 // bit if the clock rate is 48K otherwise write 0.
980                 // ----------------------------------------------------------------------------
981                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
982                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
983                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
984                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
985                 udelay(SENSCLKPULSE_WIDTH);
986
987                 if (clkIs48K)
988                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
989
990                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
991                 udelay(ONE_RTC_TICK);
992                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
993                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
994                 udelay(SENSCLKPULSE_WIDTH);
995                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
996                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
997                 udelay(SENSCLKPULSE_WIDTH);
998         }
999
1000         // ----------------------------------------------------------------------------
1001         // The update is complete.  Set a timeout.  This is the inter-update delay.
1002         // Also, if the card was in monitor mode, restore it.
1003         // ----------------------------------------------------------------------------
1004         for (count = 0; count < 10; count++)
1005                 udelay(SENSCLKPULSE_WIDTH);
1006
1007         if (monModeSet) {
1008                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1009                                 K1212_MODE_MonitorOn, 0, 0, 0);
1010                 if (rc)
1011                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1012                                            rc, stateName[korg1212->cardState]);
1013         }
1014
1015         spin_unlock_irqrestore(&korg1212->lock, flags);
1016
1017         return 1;
1018 }
1019
1020 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1021 {
1022         int channel, rc;
1023
1024         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1025                            stateName[korg1212->cardState]);
1026
1027         // ----------------------------------------------------
1028         // tell the card to boot
1029         // ----------------------------------------------------
1030         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1031
1032         if (rc)
1033                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1034                                    rc, stateName[korg1212->cardState]);
1035         msleep(DSP_BOOT_DELAY_IN_MS);
1036
1037         // --------------------------------------------------------------------------------
1038         // Let the card know where all the buffers are.
1039         // --------------------------------------------------------------------------------
1040         rc = snd_korg1212_Send1212Command(korg1212,
1041                         K1212_DB_ConfigureBufferMemory,
1042                         LowerWordSwap(korg1212->PlayDataPhy),
1043                         LowerWordSwap(korg1212->RecDataPhy),
1044                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1045                                                                    // is based on 2 buffers
1046                         0
1047         );
1048
1049         if (rc)
1050                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1051                                    rc, stateName[korg1212->cardState]);
1052
1053         udelay(INTERCOMMAND_DELAY);
1054
1055         rc = snd_korg1212_Send1212Command(korg1212,
1056                         K1212_DB_ConfigureMiscMemory,
1057                         LowerWordSwap(korg1212->VolumeTablePhy),
1058                         LowerWordSwap(korg1212->RoutingTablePhy),
1059                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1060                         0
1061         );
1062
1063         if (rc)
1064                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1065                                    rc, stateName[korg1212->cardState]);
1066
1067         // --------------------------------------------------------------------------------
1068         // Initialize the routing and volume tables, then update the card's state.
1069         // --------------------------------------------------------------------------------
1070         udelay(INTERCOMMAND_DELAY);
1071
1072         for (channel = 0; channel < kAudioChannels; channel++) {
1073                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1074                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1075                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1076         }
1077
1078         snd_korg1212_WriteADCSensitivity(korg1212);
1079
1080         udelay(INTERCOMMAND_DELAY);
1081         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1082                                           ClockSourceSelector[korg1212->clkSrcRate],
1083                                           0, 0, 0);
1084         if (rc)
1085                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1086                                    rc, stateName[korg1212->cardState]);
1087
1088         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1089         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1090
1091         if (rc)
1092                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1093                                    rc, stateName[korg1212->cardState]);
1094
1095         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1096 }
1097
1098 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1099 {
1100         u32 doorbellValue;
1101         struct snd_korg1212 *korg1212 = dev_id;
1102
1103         doorbellValue = readl(korg1212->inDoorbellPtr);
1104
1105         if (!doorbellValue)
1106                 return IRQ_NONE;
1107
1108         spin_lock(&korg1212->lock);
1109
1110         writel(doorbellValue, korg1212->inDoorbellPtr);
1111
1112         korg1212->irqcount++;
1113
1114         korg1212->inIRQ++;
1115
1116         switch (doorbellValue) {
1117                 case K1212_DB_DSPDownloadDone:
1118                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1119                                            korg1212->irqcount, doorbellValue,
1120                                            stateName[korg1212->cardState]);
1121                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1122                                 korg1212->dsp_is_loaded = 1;
1123                                 wake_up(&korg1212->wait);
1124                         }
1125                         break;
1126
1127                 // ------------------------------------------------------------------------
1128                 // an error occurred - stop the card
1129                 // ------------------------------------------------------------------------
1130                 case K1212_DB_DMAERROR:
1131                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1132                                                    korg1212->irqcount, doorbellValue,
1133                                                    stateName[korg1212->cardState]);
1134                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1135                         korg1212->errorcnt++;
1136                         korg1212->totalerrorcnt++;
1137                         korg1212->sharedBufferPtr->cardCommand = 0;
1138                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1139                         break;
1140
1141                 // ------------------------------------------------------------------------
1142                 // the card has stopped by our request.  Clear the command word and signal
1143                 // the semaphore in case someone is waiting for this.
1144                 // ------------------------------------------------------------------------
1145                 case K1212_DB_CARDSTOPPED:
1146                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1147                                                    korg1212->irqcount, doorbellValue,
1148                                                    stateName[korg1212->cardState]);
1149                         korg1212->sharedBufferPtr->cardCommand = 0;
1150                         break;
1151
1152                 default:
1153                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1154                                korg1212->irqcount, doorbellValue, 
1155                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1156                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1157                                 korg1212->currentBuffer++;
1158
1159                                 if (korg1212->currentBuffer >= kNumBuffers)
1160                                         korg1212->currentBuffer = 0;
1161
1162                                 if (!korg1212->running)
1163                                         break;
1164
1165                                 if (korg1212->capture_substream) {
1166                                         spin_unlock(&korg1212->lock);
1167                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1168                                         spin_lock(&korg1212->lock);
1169                                 }
1170
1171                                 if (korg1212->playback_substream) {
1172                                         spin_unlock(&korg1212->lock);
1173                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1174                                         spin_lock(&korg1212->lock);
1175                                 }
1176                         }
1177                         break;
1178         }
1179
1180         korg1212->inIRQ--;
1181
1182         spin_unlock(&korg1212->lock);
1183
1184         return IRQ_HANDLED;
1185 }
1186
1187 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1188 {
1189         int rc;
1190
1191         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1192                            stateName[korg1212->cardState]);
1193
1194         // ---------------------------------------------------------------
1195         // verify the state of the card before proceeding.
1196         // ---------------------------------------------------------------
1197         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1198                 return 1;
1199
1200         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1201
1202         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1203                                           UpperWordSwap(korg1212->dma_dsp->addr),
1204                                           0, 0, 0);
1205         if (rc)
1206                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1207                                    rc, stateName[korg1212->cardState]);
1208
1209         korg1212->dsp_is_loaded = 0;
1210         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1211         if (! korg1212->dsp_is_loaded )
1212                 return -EBUSY; /* timeout */
1213
1214         snd_korg1212_OnDSPDownloadComplete(korg1212);
1215
1216         return 0;
1217 }
1218
1219 static const struct snd_pcm_hardware snd_korg1212_playback_info =
1220 {
1221         .info =              (SNDRV_PCM_INFO_MMAP |
1222                               SNDRV_PCM_INFO_MMAP_VALID |
1223                               SNDRV_PCM_INFO_INTERLEAVED |
1224                               SNDRV_PCM_INFO_BATCH),
1225         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1226         .rates =              (SNDRV_PCM_RATE_44100 |
1227                               SNDRV_PCM_RATE_48000),
1228         .rate_min =           44100,
1229         .rate_max =           48000,
1230         .channels_min =       K1212_MIN_CHANNELS,
1231         .channels_max =       K1212_MAX_CHANNELS,
1232         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1233         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1234         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1235         .periods_min =        K1212_PERIODS,
1236         .periods_max =        K1212_PERIODS,
1237         .fifo_size =          0,
1238 };
1239
1240 static const struct snd_pcm_hardware snd_korg1212_capture_info =
1241 {
1242         .info =              (SNDRV_PCM_INFO_MMAP |
1243                               SNDRV_PCM_INFO_MMAP_VALID |
1244                               SNDRV_PCM_INFO_INTERLEAVED |
1245                               SNDRV_PCM_INFO_BATCH),
1246         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1247         .rates =              (SNDRV_PCM_RATE_44100 |
1248                               SNDRV_PCM_RATE_48000),
1249         .rate_min =           44100,
1250         .rate_max =           48000,
1251         .channels_min =       K1212_MIN_CHANNELS,
1252         .channels_max =       K1212_MAX_CHANNELS,
1253         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1254         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1255         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1256         .periods_min =        K1212_PERIODS,
1257         .periods_max =        K1212_PERIODS,
1258         .fifo_size =          0,
1259 };
1260
1261 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1262 {
1263         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1264         int i;
1265
1266         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1267                                    pos, offset, size, count);
1268         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1269                 return -EINVAL;
1270
1271         for (i=0; i < count; i++) {
1272 #if K1212_DEBUG_LEVEL > 0
1273                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1274                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1275                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1276                                dst, i);
1277                         return -EFAULT;
1278                 }
1279 #endif
1280                 memset((void*) dst + offset, 0, size);
1281                 dst++;
1282         }
1283
1284         return 0;
1285 }
1286
1287 static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1288                                 struct iov_iter *dst, int pos, int count)
1289 {
1290         struct snd_pcm_runtime *runtime = substream->runtime;
1291         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1292         struct KorgAudioFrame *src;
1293         int i, size;
1294
1295         pos = bytes_to_frames(runtime, pos);
1296         count = bytes_to_frames(runtime, count);
1297         size = korg1212->channels * 2;
1298         src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1299         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1300                                    pos, size, count);
1301         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1302                 return -EINVAL;
1303
1304         for (i=0; i < count; i++) {
1305 #if K1212_DEBUG_LEVEL > 0
1306                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1307                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1308                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst->kvec.iov_base, i);
1309                         return -EFAULT;
1310                 }
1311 #endif
1312                 if (copy_to_iter(src, size, dst) != size)
1313                         return -EFAULT;
1314                 src++;
1315         }
1316
1317         return 0;
1318 }
1319
1320 static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1321                                   struct iov_iter *src, int pos, int count)
1322 {
1323         struct snd_pcm_runtime *runtime = substream->runtime;
1324         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1325         struct KorgAudioFrame *dst;
1326         int i, size;
1327
1328         pos = bytes_to_frames(runtime, pos);
1329         count = bytes_to_frames(runtime, count);
1330         size = korg1212->channels * 2;
1331         dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1332
1333         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1334                                    pos, size, count);
1335
1336         if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1337                 return -EINVAL;
1338
1339         for (i=0; i < count; i++) {
1340 #if K1212_DEBUG_LEVEL > 0
1341                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1342                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1343                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src->kvec.iov_base, dst, i);
1344                         return -EFAULT;
1345                 }
1346 #endif
1347                 if (copy_from_iter(dst, size, src) != size)
1348                         return -EFAULT;
1349                 dst++;
1350         }
1351
1352         return 0;
1353 }
1354
1355 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1356 {
1357         struct snd_korg1212 *korg1212 = pcm->private_data;
1358
1359         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1360                            stateName[korg1212->cardState]);
1361
1362         korg1212->pcm = NULL;
1363 }
1364
1365 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1366 {
1367         unsigned long flags;
1368         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1369         struct snd_pcm_runtime *runtime = substream->runtime;
1370
1371         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1372                            stateName[korg1212->cardState]);
1373
1374         snd_korg1212_OpenCard(korg1212);
1375
1376         runtime->hw = snd_korg1212_playback_info;
1377         snd_pcm_set_runtime_buffer(substream, korg1212->dma_play);
1378
1379         spin_lock_irqsave(&korg1212->lock, flags);
1380
1381         korg1212->playback_substream = substream;
1382         korg1212->playback_pid = current->pid;
1383         korg1212->periodsize = K1212_PERIODS;
1384         korg1212->channels = K1212_CHANNELS;
1385         korg1212->errorcnt = 0;
1386
1387         spin_unlock_irqrestore(&korg1212->lock, flags);
1388
1389         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1390                                      kPlayBufferFrames);
1391
1392         return 0;
1393 }
1394
1395
1396 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1397 {
1398         unsigned long flags;
1399         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1400         struct snd_pcm_runtime *runtime = substream->runtime;
1401
1402         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1403                            stateName[korg1212->cardState]);
1404
1405         snd_korg1212_OpenCard(korg1212);
1406
1407         runtime->hw = snd_korg1212_capture_info;
1408         snd_pcm_set_runtime_buffer(substream, korg1212->dma_rec);
1409
1410         spin_lock_irqsave(&korg1212->lock, flags);
1411
1412         korg1212->capture_substream = substream;
1413         korg1212->capture_pid = current->pid;
1414         korg1212->periodsize = K1212_PERIODS;
1415         korg1212->channels = K1212_CHANNELS;
1416
1417         spin_unlock_irqrestore(&korg1212->lock, flags);
1418
1419         snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1420                                      kPlayBufferFrames);
1421         return 0;
1422 }
1423
1424 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1425 {
1426         unsigned long flags;
1427         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1428
1429         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1430                            stateName[korg1212->cardState]);
1431
1432         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1433
1434         spin_lock_irqsave(&korg1212->lock, flags);
1435
1436         korg1212->playback_pid = -1;
1437         korg1212->playback_substream = NULL;
1438         korg1212->periodsize = 0;
1439
1440         spin_unlock_irqrestore(&korg1212->lock, flags);
1441
1442         snd_korg1212_CloseCard(korg1212);
1443         return 0;
1444 }
1445
1446 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1447 {
1448         unsigned long flags;
1449         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1450
1451         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1452                            stateName[korg1212->cardState]);
1453
1454         spin_lock_irqsave(&korg1212->lock, flags);
1455
1456         korg1212->capture_pid = -1;
1457         korg1212->capture_substream = NULL;
1458         korg1212->periodsize = 0;
1459
1460         spin_unlock_irqrestore(&korg1212->lock, flags);
1461
1462         snd_korg1212_CloseCard(korg1212);
1463         return 0;
1464 }
1465
1466 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1467                              unsigned int cmd, void *arg)
1468 {
1469         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1470
1471         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1472                 struct snd_pcm_channel_info *info = arg;
1473                 info->offset = 0;
1474                 info->first = info->channel * 16;
1475                 info->step = 256;
1476                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1477                 return 0;
1478         }
1479
1480         return snd_pcm_lib_ioctl(substream, cmd, arg);
1481 }
1482
1483 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1484                              struct snd_pcm_hw_params *params)
1485 {
1486         unsigned long flags;
1487         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1488         int err;
1489         pid_t this_pid;
1490         pid_t other_pid;
1491
1492         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1493                            stateName[korg1212->cardState]);
1494
1495         spin_lock_irqsave(&korg1212->lock, flags);
1496
1497         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1498                 this_pid = korg1212->playback_pid;
1499                 other_pid = korg1212->capture_pid;
1500         } else {
1501                 this_pid = korg1212->capture_pid;
1502                 other_pid = korg1212->playback_pid;
1503         }
1504
1505         if ((other_pid > 0) && (this_pid != other_pid)) {
1506
1507                 /* The other stream is open, and not by the same
1508                    task as this one. Make sure that the parameters
1509                    that matter are the same.
1510                  */
1511
1512                 if ((int)params_rate(params) != korg1212->clkRate) {
1513                         spin_unlock_irqrestore(&korg1212->lock, flags);
1514                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1515                         return -EBUSY;
1516                 }
1517
1518                 spin_unlock_irqrestore(&korg1212->lock, flags);
1519                 return 0;
1520         }
1521
1522         err = snd_korg1212_SetRate(korg1212, params_rate(params));
1523         if (err < 0) {
1524                 spin_unlock_irqrestore(&korg1212->lock, flags);
1525                 return err;
1526         }
1527
1528         korg1212->channels = params_channels(params);
1529         korg1212->periodsize = K1212_PERIOD_BYTES;
1530
1531         spin_unlock_irqrestore(&korg1212->lock, flags);
1532
1533         return 0;
1534 }
1535
1536 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1537 {
1538         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1539         int rc;
1540
1541         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1542                            stateName[korg1212->cardState]);
1543
1544         spin_lock_irq(&korg1212->lock);
1545
1546         /* FIXME: we should wait for ack! */
1547         if (korg1212->stop_pending_cnt > 0) {
1548                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1549                                    stateName[korg1212->cardState]);
1550                 spin_unlock_irq(&korg1212->lock);
1551                 return -EAGAIN;
1552                 /*
1553                 korg1212->sharedBufferPtr->cardCommand = 0;
1554                 del_timer(&korg1212->timer);
1555                 korg1212->stop_pending_cnt = 0;
1556                 */
1557         }
1558
1559         rc = snd_korg1212_SetupForPlay(korg1212);
1560
1561         korg1212->currentBuffer = 0;
1562
1563         spin_unlock_irq(&korg1212->lock);
1564
1565         return rc ? -EINVAL : 0;
1566 }
1567
1568 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1569                            int cmd)
1570 {
1571         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1572         int rc;
1573
1574         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1575                            stateName[korg1212->cardState], cmd);
1576
1577         spin_lock(&korg1212->lock);
1578         switch (cmd) {
1579                 case SNDRV_PCM_TRIGGER_START:
1580 /*
1581                         if (korg1212->running) {
1582                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1583                                 break;
1584                         }
1585 */
1586                         korg1212->running++;
1587                         rc = snd_korg1212_TriggerPlay(korg1212);
1588                         break;
1589
1590                 case SNDRV_PCM_TRIGGER_STOP:
1591 /*
1592                         if (!korg1212->running) {
1593                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1594                                 break;
1595                         }
1596 */
1597                         korg1212->running--;
1598                         rc = snd_korg1212_StopPlay(korg1212);
1599                         break;
1600
1601                 default:
1602                         rc = 1;
1603                         break;
1604         }
1605         spin_unlock(&korg1212->lock);
1606         return rc ? -EINVAL : 0;
1607 }
1608
1609 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1610 {
1611         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1612         snd_pcm_uframes_t pos;
1613
1614         pos = korg1212->currentBuffer * kPlayBufferFrames;
1615
1616         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1617                                    stateName[korg1212->cardState], pos);
1618
1619         return pos;
1620 }
1621
1622 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1623 {
1624         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1625         snd_pcm_uframes_t pos;
1626
1627         pos = korg1212->currentBuffer * kPlayBufferFrames;
1628
1629         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1630                                    stateName[korg1212->cardState], pos);
1631
1632         return pos;
1633 }
1634
1635 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1636                                       int channel, unsigned long pos,
1637                                       struct iov_iter *src, unsigned long count)
1638 {
1639         return snd_korg1212_copy_from(substream, src, pos, count);
1640 }
1641
1642 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1643                            int channel, /* not used (interleaved data) */
1644                            unsigned long pos,
1645                            unsigned long count)
1646 {
1647         struct snd_pcm_runtime *runtime = substream->runtime;
1648         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1649
1650         return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1651                                     bytes_to_frames(runtime, count),
1652                                     0, korg1212->channels * 2);
1653 }
1654
1655 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1656                                      int channel, unsigned long pos,
1657                                      struct iov_iter *dst, unsigned long count)
1658 {
1659         return snd_korg1212_copy_to(substream, dst, pos, count);
1660 }
1661
1662 static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1663         .open =         snd_korg1212_playback_open,
1664         .close =        snd_korg1212_playback_close,
1665         .ioctl =        snd_korg1212_ioctl,
1666         .hw_params =    snd_korg1212_hw_params,
1667         .prepare =      snd_korg1212_prepare,
1668         .trigger =      snd_korg1212_trigger,
1669         .pointer =      snd_korg1212_playback_pointer,
1670         .copy =         snd_korg1212_playback_copy,
1671         .fill_silence = snd_korg1212_playback_silence,
1672 };
1673
1674 static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1675         .open =         snd_korg1212_capture_open,
1676         .close =        snd_korg1212_capture_close,
1677         .ioctl =        snd_korg1212_ioctl,
1678         .hw_params =    snd_korg1212_hw_params,
1679         .prepare =      snd_korg1212_prepare,
1680         .trigger =      snd_korg1212_trigger,
1681         .pointer =      snd_korg1212_capture_pointer,
1682         .copy =         snd_korg1212_capture_copy,
1683 };
1684
1685 /*
1686  * Control Interface
1687  */
1688
1689 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1690                                            struct snd_ctl_elem_info *uinfo)
1691 {
1692         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1693         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1694         return 0;
1695 }
1696
1697 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1698                                           struct snd_ctl_elem_value *u)
1699 {
1700         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1701         int i = kcontrol->private_value;
1702
1703         spin_lock_irq(&korg1212->lock);
1704
1705         u->value.integer.value[0] = korg1212->volumePhase[i];
1706
1707         if (i >= 8)
1708                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1709
1710         spin_unlock_irq(&korg1212->lock);
1711
1712         return 0;
1713 }
1714
1715 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1716                                           struct snd_ctl_elem_value *u)
1717 {
1718         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1719         int change = 0;
1720         int i, val;
1721
1722         spin_lock_irq(&korg1212->lock);
1723
1724         i = kcontrol->private_value;
1725
1726         korg1212->volumePhase[i] = !!u->value.integer.value[0];
1727
1728         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1729
1730         if ((u->value.integer.value[0] != 0) != (val < 0)) {
1731                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1732                 korg1212->sharedBufferPtr->volumeData[i] = val;
1733                 change = 1;
1734         }
1735
1736         if (i >= 8) {
1737                 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1738
1739                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1740
1741                 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1742                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1743                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1744                         change = 1;
1745                 }
1746         }
1747
1748         spin_unlock_irq(&korg1212->lock);
1749
1750         return change;
1751 }
1752
1753 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1754                                             struct snd_ctl_elem_info *uinfo)
1755 {
1756         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1757         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1758         uinfo->value.integer.min = k1212MinVolume;
1759         uinfo->value.integer.max = k1212MaxVolume;
1760         return 0;
1761 }
1762
1763 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1764                                            struct snd_ctl_elem_value *u)
1765 {
1766         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1767         int i;
1768
1769         spin_lock_irq(&korg1212->lock);
1770
1771         i = kcontrol->private_value;
1772         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1773
1774         if (i >= 8) 
1775                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1776
1777         spin_unlock_irq(&korg1212->lock);
1778
1779         return 0;
1780 }
1781
1782 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1783                                            struct snd_ctl_elem_value *u)
1784 {
1785         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1786         int change = 0;
1787         int i;
1788         int val;
1789
1790         spin_lock_irq(&korg1212->lock);
1791
1792         i = kcontrol->private_value;
1793
1794         if (u->value.integer.value[0] >= k1212MinVolume && 
1795             u->value.integer.value[0] >= k1212MaxVolume &&
1796             u->value.integer.value[0] !=
1797             abs(korg1212->sharedBufferPtr->volumeData[i])) {
1798                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1799                 val *= u->value.integer.value[0];
1800                 korg1212->sharedBufferPtr->volumeData[i] = val;
1801                 change = 1;
1802         }
1803
1804         if (i >= 8) {
1805                 if (u->value.integer.value[1] >= k1212MinVolume && 
1806                     u->value.integer.value[1] >= k1212MaxVolume &&
1807                     u->value.integer.value[1] !=
1808                     abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1809                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1810                         val *= u->value.integer.value[1];
1811                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1812                         change = 1;
1813                 }
1814         }
1815
1816         spin_unlock_irq(&korg1212->lock);
1817
1818         return change;
1819 }
1820
1821 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1822                                            struct snd_ctl_elem_info *uinfo)
1823 {
1824         return snd_ctl_enum_info(uinfo,
1825                                  (kcontrol->private_value >= 8) ? 2 : 1,
1826                                  kAudioChannels, channelName);
1827 }
1828
1829 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1830                                           struct snd_ctl_elem_value *u)
1831 {
1832         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1833         int i;
1834
1835         spin_lock_irq(&korg1212->lock);
1836
1837         i = kcontrol->private_value;
1838         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1839
1840         if (i >= 8) 
1841                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1842
1843         spin_unlock_irq(&korg1212->lock);
1844
1845         return 0;
1846 }
1847
1848 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1849                                           struct snd_ctl_elem_value *u)
1850 {
1851         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1852         int change = 0, i;
1853
1854         spin_lock_irq(&korg1212->lock);
1855
1856         i = kcontrol->private_value;
1857
1858         if (u->value.enumerated.item[0] < kAudioChannels &&
1859             u->value.enumerated.item[0] !=
1860             (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1861                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1862                 change = 1;
1863         }
1864
1865         if (i >= 8) {
1866                 if (u->value.enumerated.item[1] < kAudioChannels &&
1867                     u->value.enumerated.item[1] !=
1868                     (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1869                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1870                         change = 1;
1871                 }
1872         }
1873
1874         spin_unlock_irq(&korg1212->lock);
1875
1876         return change;
1877 }
1878
1879 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1880                                      struct snd_ctl_elem_info *uinfo)
1881 {
1882         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1883         uinfo->count = 2;
1884         uinfo->value.integer.min = k1212MaxADCSens;
1885         uinfo->value.integer.max = k1212MinADCSens;
1886         return 0;
1887 }
1888
1889 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1890                                     struct snd_ctl_elem_value *u)
1891 {
1892         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1893
1894         spin_lock_irq(&korg1212->lock);
1895
1896         u->value.integer.value[0] = korg1212->leftADCInSens;
1897         u->value.integer.value[1] = korg1212->rightADCInSens;
1898
1899         spin_unlock_irq(&korg1212->lock);
1900
1901         return 0;
1902 }
1903
1904 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1905                                     struct snd_ctl_elem_value *u)
1906 {
1907         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1908         int change = 0;
1909
1910         spin_lock_irq(&korg1212->lock);
1911
1912         if (u->value.integer.value[0] >= k1212MinADCSens &&
1913             u->value.integer.value[0] <= k1212MaxADCSens &&
1914             u->value.integer.value[0] != korg1212->leftADCInSens) {
1915                 korg1212->leftADCInSens = u->value.integer.value[0];
1916                 change = 1;
1917         }
1918         if (u->value.integer.value[1] >= k1212MinADCSens &&
1919             u->value.integer.value[1] <= k1212MaxADCSens &&
1920             u->value.integer.value[1] != korg1212->rightADCInSens) {
1921                 korg1212->rightADCInSens = u->value.integer.value[1];
1922                 change = 1;
1923         }
1924
1925         spin_unlock_irq(&korg1212->lock);
1926
1927         if (change)
1928                 snd_korg1212_WriteADCSensitivity(korg1212);
1929
1930         return change;
1931 }
1932
1933 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1934                                           struct snd_ctl_elem_info *uinfo)
1935 {
1936         return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1937 }
1938
1939 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1940                                          struct snd_ctl_elem_value *ucontrol)
1941 {
1942         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1943
1944         spin_lock_irq(&korg1212->lock);
1945
1946         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1947
1948         spin_unlock_irq(&korg1212->lock);
1949         return 0;
1950 }
1951
1952 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1953                                          struct snd_ctl_elem_value *ucontrol)
1954 {
1955         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1956         unsigned int val;
1957         int change;
1958
1959         val = ucontrol->value.enumerated.item[0] % 3;
1960         spin_lock_irq(&korg1212->lock);
1961         change = val != korg1212->clkSource;
1962         snd_korg1212_SetClockSource(korg1212, val);
1963         spin_unlock_irq(&korg1212->lock);
1964         return change;
1965 }
1966
1967 #define MON_MIXER(ord,c_name)                                                                   \
1968         {                                                                                       \
1969                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1970                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1971                 .name =         c_name " Monitor Volume",                                       \
1972                 .info =         snd_korg1212_control_volume_info,                               \
1973                 .get =          snd_korg1212_control_volume_get,                                \
1974                 .put =          snd_korg1212_control_volume_put,                                \
1975                 .private_value = ord,                                                           \
1976         },                                                                                      \
1977         {                                                                                       \
1978                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1979                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1980                 .name =         c_name " Monitor Route",                                        \
1981                 .info =         snd_korg1212_control_route_info,                                \
1982                 .get =          snd_korg1212_control_route_get,                                 \
1983                 .put =          snd_korg1212_control_route_put,                                 \
1984                 .private_value = ord,                                                           \
1985         },                                                                                      \
1986         {                                                                                       \
1987                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
1988                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
1989                 .name =         c_name " Monitor Phase Invert",                                 \
1990                 .info =         snd_korg1212_control_phase_info,                                \
1991                 .get =          snd_korg1212_control_phase_get,                                 \
1992                 .put =          snd_korg1212_control_phase_put,                                 \
1993                 .private_value = ord,                                                           \
1994         }
1995
1996 static const struct snd_kcontrol_new snd_korg1212_controls[] = {
1997         MON_MIXER(8, "Analog"),
1998         MON_MIXER(10, "SPDIF"), 
1999         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2000         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2001         {
2002                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2003                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2004                 .name =         "Sync Source",
2005                 .info =         snd_korg1212_control_sync_info,
2006                 .get =          snd_korg1212_control_sync_get,
2007                 .put =          snd_korg1212_control_sync_put,
2008         },
2009         {
2010                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2011                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2012                 .name =         "ADC Attenuation",
2013                 .info =         snd_korg1212_control_info,
2014                 .get =          snd_korg1212_control_get,
2015                 .put =          snd_korg1212_control_put,
2016         }
2017 };
2018
2019 /*
2020  * proc interface
2021  */
2022
2023 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2024                                    struct snd_info_buffer *buffer)
2025 {
2026         int n;
2027         struct snd_korg1212 *korg1212 = entry->private_data;
2028
2029         snd_iprintf(buffer, korg1212->card->longname);
2030         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2031         snd_iprintf(buffer, "\nGeneral settings\n");
2032         snd_iprintf(buffer, "    period size: %zd bytes\n", K1212_PERIOD_BYTES);
2033         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2034         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2035         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2036         snd_iprintf(buffer, "    Volume Info:\n");
2037         for (n=0; n<kAudioChannels; n++)
2038                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2039                                     channelName[n],
2040                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2041                                     korg1212->sharedBufferPtr->volumeData[n]);
2042         snd_iprintf(buffer, "\nGeneral status\n");
2043         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2044         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2045         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2046         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2047         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2048         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2049 }
2050
2051 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2052 {
2053         snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212,
2054                              snd_korg1212_proc_read);
2055 }
2056
2057 static void
2058 snd_korg1212_free(struct snd_card *card)
2059 {
2060         struct snd_korg1212 *korg1212 = card->private_data;
2061
2062         snd_korg1212_TurnOffIdleMonitor(korg1212);
2063         snd_korg1212_DisableCardInterrupts(korg1212);
2064 }
2065
2066 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci)
2067
2068 {
2069         int err, rc;
2070         unsigned int i;
2071         __maybe_unused unsigned iomem_size;
2072         __maybe_unused unsigned ioport_size;
2073         __maybe_unused unsigned iomem2_size;
2074         struct snd_korg1212 *korg1212 = card->private_data;
2075         const struct firmware *dsp_code;
2076
2077         err = pcim_enable_device(pci);
2078         if (err < 0)
2079                 return err;
2080
2081         korg1212->card = card;
2082         korg1212->pci = pci;
2083
2084         init_waitqueue_head(&korg1212->wait);
2085         spin_lock_init(&korg1212->lock);
2086         mutex_init(&korg1212->open_mutex);
2087         timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2088
2089         korg1212->irq = -1;
2090         korg1212->clkSource = K1212_CLKIDX_Local;
2091         korg1212->clkRate = 44100;
2092         korg1212->inIRQ = 0;
2093         korg1212->running = 0;
2094         korg1212->opencnt = 0;
2095         korg1212->playcnt = 0;
2096         korg1212->setcnt = 0;
2097         korg1212->totalerrorcnt = 0;
2098         korg1212->playback_pid = -1;
2099         korg1212->capture_pid = -1;
2100         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2101         korg1212->idleMonitorOn = 0;
2102         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2103         korg1212->leftADCInSens = k1212MaxADCSens;
2104         korg1212->rightADCInSens = k1212MaxADCSens;
2105
2106         for (i=0; i<kAudioChannels; i++)
2107                 korg1212->volumePhase[i] = 0;
2108
2109         err = pcim_iomap_regions_request_all(pci, 1 << 0, "korg1212");
2110         if (err < 0)
2111                 return err;
2112
2113         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2114         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2115         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2116
2117         iomem_size = pci_resource_len(korg1212->pci, 0);
2118         ioport_size = pci_resource_len(korg1212->pci, 1);
2119         iomem2_size = pci_resource_len(korg1212->pci, 2);
2120
2121         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2122                    "    iomem = 0x%lx (%d)\n"
2123                    "    ioport  = 0x%lx (%d)\n"
2124                    "    iomem = 0x%lx (%d)\n"
2125                    "    [%s]\n",
2126                    korg1212->iomem, iomem_size,
2127                    korg1212->ioport, ioport_size,
2128                    korg1212->iomem2, iomem2_size,
2129                    stateName[korg1212->cardState]);
2130
2131         korg1212->iobase = pcim_iomap_table(pci)[0];
2132
2133         err = devm_request_irq(&pci->dev, pci->irq, snd_korg1212_interrupt,
2134                           IRQF_SHARED,
2135                           KBUILD_MODNAME, korg1212);
2136
2137         if (err) {
2138                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2139                 return -EBUSY;
2140         }
2141
2142         korg1212->irq = pci->irq;
2143         card->sync_irq = korg1212->irq;
2144         card->private_free = snd_korg1212_free;
2145
2146         pci_set_master(korg1212->pci);
2147
2148         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2149         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2150         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2151         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2152         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2153         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2154         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2155         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2156         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2157         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2158
2159         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2160                    "    Status register = 0x%p\n"
2161                    "    OutDoorbell     = 0x%p\n"
2162                    "    InDoorbell      = 0x%p\n"
2163                    "    Mailbox0        = 0x%p\n"
2164                    "    Mailbox1        = 0x%p\n"
2165                    "    Mailbox2        = 0x%p\n"
2166                    "    Mailbox3        = 0x%p\n"
2167                    "    ControlReg      = 0x%p\n"
2168                    "    SensReg         = 0x%p\n"
2169                    "    IDReg           = 0x%p\n"
2170                    "    [%s]\n",
2171                    korg1212->statusRegPtr,
2172                    korg1212->outDoorbellPtr,
2173                    korg1212->inDoorbellPtr,
2174                    korg1212->mailbox0Ptr,
2175                    korg1212->mailbox1Ptr,
2176                    korg1212->mailbox2Ptr,
2177                    korg1212->mailbox3Ptr,
2178                    korg1212->controlRegPtr,
2179                    korg1212->sensRegPtr,
2180                    korg1212->idRegPtr,
2181                    stateName[korg1212->cardState]);
2182
2183         korg1212->dma_shared = snd_devm_alloc_pages(&pci->dev,
2184                                                     SNDRV_DMA_TYPE_DEV,
2185                                                     sizeof(struct KorgSharedBuffer));
2186         if (!korg1212->dma_shared)
2187                 return -ENOMEM;
2188         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared->area;
2189         korg1212->sharedBufferPhy = korg1212->dma_shared->addr;
2190
2191         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2192
2193 #ifndef K1212_LARGEALLOC
2194         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2195         korg1212->dma_play = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2196                                                   korg1212->DataBufsSize);
2197         if (!korg1212->dma_play)
2198                 return -ENOMEM;
2199
2200         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play->area;
2201         korg1212->PlayDataPhy = korg1212->dma_play->addr;
2202
2203         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2204                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2205
2206         korg1212->dma_rec = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2207                                                  korg1212->DataBufsSize);
2208         if (!korg1212->dma_rec)
2209                 return -ENOMEM;
2210
2211         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec->area;
2212         korg1212->RecDataPhy = korg1212->dma_rec->addr;
2213
2214         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2215                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2216
2217 #else // K1212_LARGEALLOC
2218
2219         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2220         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2221         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2222         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2223
2224 #endif // K1212_LARGEALLOC
2225
2226         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2227                 offsetof(struct KorgSharedBuffer, volumeData);
2228         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2229                 offsetof(struct KorgSharedBuffer, routeData);
2230         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2231                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2232
2233         err = reject_firmware(&dsp_code, "/*(DEBLOBBED)*/", &pci->dev);
2234         if (err < 0) {
2235                 snd_printk(KERN_ERR "firmware not available\n");
2236                 return err;
2237         }
2238
2239         korg1212->dma_dsp = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2240                                                  dsp_code->size);
2241         if (!korg1212->dma_dsp) {
2242                 release_firmware(dsp_code);
2243                 return -ENOMEM;
2244         }
2245
2246         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2247                    korg1212->dma_dsp->area, korg1212->dma_dsp->addr, dsp_code->size,
2248                    stateName[korg1212->cardState]);
2249
2250         memcpy(korg1212->dma_dsp->area, dsp_code->data, dsp_code->size);
2251
2252         release_firmware(dsp_code);
2253
2254         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2255
2256         if (rc)
2257                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2258
2259         snd_korg1212_EnableCardInterrupts(korg1212);
2260
2261         mdelay(CARD_BOOT_DELAY_IN_MS);
2262
2263         if (snd_korg1212_downloadDSPCode(korg1212))
2264                 return -EBUSY;
2265
2266         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2267                "PlayDataPhy = %08x L[%08x]\n"
2268                "korg1212: RecDataPhy = %08x L[%08x], "
2269                "VolumeTablePhy = %08x L[%08x]\n"
2270                "korg1212: RoutingTablePhy = %08x L[%08x], "
2271                "AdatTimeCodePhy = %08x L[%08x]\n",
2272                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2273                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2274                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2275                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2276                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2277                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2278
2279         err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm);
2280         if (err < 0)
2281                 return err;
2282
2283         korg1212->pcm->private_data = korg1212;
2284         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2285         strcpy(korg1212->pcm->name, "korg1212");
2286
2287         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2288         
2289         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2290
2291         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2292
2293         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2294                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2295                 if (err < 0)
2296                         return err;
2297         }
2298
2299         snd_korg1212_proc_init(korg1212);
2300
2301         return 0;
2302 }
2303
2304 /*
2305  * Card initialisation
2306  */
2307
2308 static int
2309 snd_korg1212_probe(struct pci_dev *pci,
2310                 const struct pci_device_id *pci_id)
2311 {
2312         static int dev;
2313         struct snd_korg1212 *korg1212;
2314         struct snd_card *card;
2315         int err;
2316
2317         if (dev >= SNDRV_CARDS) {
2318                 return -ENODEV;
2319         }
2320         if (!enable[dev]) {
2321                 dev++;
2322                 return -ENOENT;
2323         }
2324         err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2325                                 sizeof(*korg1212), &card);
2326         if (err < 0)
2327                 return err;
2328         korg1212 = card->private_data;
2329
2330         err = snd_korg1212_create(card, pci);
2331         if (err < 0)
2332                 goto error;
2333
2334         strcpy(card->driver, "korg1212");
2335         strcpy(card->shortname, "korg1212");
2336         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2337                 korg1212->iomem, korg1212->irq);
2338
2339         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2340
2341         err = snd_card_register(card);
2342         if (err < 0)
2343                 goto error;
2344         pci_set_drvdata(pci, card);
2345         dev++;
2346         return 0;
2347
2348  error:
2349         snd_card_free(card);
2350         return err;
2351 }
2352
2353 static struct pci_driver korg1212_driver = {
2354         .name = KBUILD_MODNAME,
2355         .id_table = snd_korg1212_ids,
2356         .probe = snd_korg1212_probe,
2357 };
2358
2359 module_pci_driver(korg1212_driver);