a8a6a5c41a7f57fbf2461de8bfa4afef4ed0f321
[linux-2.6.git] / sound / pci / korg1212 / korg1212.c
1 /*
2  *   Driver for the Korg 1212 IO PCI card
3  *
4  *      Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
5  *
6  *   This program is free software; you can redistribute it and/or modify
7  *   it under the terms of the GNU General Public License as published by
8  *   the Free Software Foundation; either version 2 of the License, or
9  *   (at your option) any later version.
10  *
11  *   This program is distributed in the hope that it will be useful,
12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *   GNU General Public License for more details.
15  *
16  *   You should have received a copy of the GNU General Public License
17  *   along with this program; if not, write to the Free Software
18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
19  *
20  */
21
22 #include <sound/driver.h>
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/slab.h>
28 #include <linux/wait.h>
29 #include <linux/moduleparam.h>
30
31 #include <sound/core.h>
32 #include <sound/info.h>
33 #include <sound/control.h>
34 #include <sound/pcm.h>
35 #include <sound/pcm_params.h>
36 #include <sound/initval.h>
37
38 #include <asm/io.h>
39
40 // ----------------------------------------------------------------------------
41 // Debug Stuff
42 // ----------------------------------------------------------------------------
43 #define K1212_DEBUG_LEVEL               0
44 #if K1212_DEBUG_LEVEL > 0
45 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
46 #else
47 #define K1212_DEBUG_PRINTK(fmt,...)
48 #endif
49 #if K1212_DEBUG_LEVEL > 1
50 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
51 #else
52 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
53 #endif
54
55 // ----------------------------------------------------------------------------
56 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all 
57 // buffers are alocated as a large piece inside KorgSharedBuffer.
58 // ----------------------------------------------------------------------------
59 //#define K1212_LARGEALLOC              1
60
61 // ----------------------------------------------------------------------------
62 // Valid states of the Korg 1212 I/O card.
63 // ----------------------------------------------------------------------------
64 enum CardState {
65    K1212_STATE_NONEXISTENT,             // there is no card here
66    K1212_STATE_UNINITIALIZED,           // the card is awaiting DSP download
67    K1212_STATE_DSP_IN_PROCESS,          // the card is currently downloading its DSP code
68    K1212_STATE_DSP_COMPLETE,            // the card has finished the DSP download
69    K1212_STATE_READY,                   // the card can be opened by an application.  Any application
70                                         //    requests prior to this state should fail.  Only an open
71                                         //    request can be made at this state.
72    K1212_STATE_OPEN,                    // an application has opened the card
73    K1212_STATE_SETUP,                   // the card has been setup for play
74    K1212_STATE_PLAYING,                 // the card is playing
75    K1212_STATE_MONITOR,                 // the card is in the monitor mode
76    K1212_STATE_CALIBRATING,             // the card is currently calibrating
77    K1212_STATE_ERRORSTOP,               // the card has stopped itself because of an error and we
78                                         //    are in the process of cleaning things up.
79    K1212_STATE_MAX_STATE                // state values of this and beyond are invalid
80 };
81
82 // ----------------------------------------------------------------------------
83 // The following enumeration defines the constants written to the card's
84 // host-to-card doorbell to initiate a command.
85 // ----------------------------------------------------------------------------
86 enum korg1212_dbcnst {
87    K1212_DB_RequestForData        = 0,    // sent by the card to request a buffer fill.
88    K1212_DB_TriggerPlay           = 1,    // starts playback/record on the card.
89    K1212_DB_SelectPlayMode        = 2,    // select monitor, playback setup, or stop.
90    K1212_DB_ConfigureBufferMemory = 3,    // tells card where the host audio buffers are.
91    K1212_DB_RequestAdatTimecode   = 4,    // asks the card for the latest ADAT timecode value.
92    K1212_DB_SetClockSourceRate    = 5,    // sets the clock source and rate for the card.
93    K1212_DB_ConfigureMiscMemory   = 6,    // tells card where other buffers are.
94    K1212_DB_TriggerFromAdat       = 7,    // tells card to trigger from Adat at a specific
95                                           //    timecode value.
96    K1212_DB_DMAERROR              = 0x80, // DMA Error - the PCI bus is congestioned.
97    K1212_DB_CARDSTOPPED           = 0x81, // Card has stopped by user request.
98    K1212_DB_RebootCard            = 0xA0, // instructs the card to reboot.
99    K1212_DB_BootFromDSPPage4      = 0xA4, // instructs the card to boot from the DSP microcode
100                                           //    on page 4 (local page to card).
101    K1212_DB_DSPDownloadDone       = 0xAE, // sent by the card to indicate the download has
102                                           //    completed.
103    K1212_DB_StartDSPDownload      = 0xAF  // tells the card to download its DSP firmware.
104 };
105
106
107 // ----------------------------------------------------------------------------
108 // The following enumeration defines return codes 
109 // to the Korg 1212 I/O driver.
110 // ----------------------------------------------------------------------------
111 enum snd_korg1212rc {
112    K1212_CMDRET_Success         = 0,   // command was successfully placed
113    K1212_CMDRET_DIOCFailure,           // the DeviceIoControl call failed
114    K1212_CMDRET_PMFailure,             // the protected mode call failed
115    K1212_CMDRET_FailUnspecified,       // unspecified failure
116    K1212_CMDRET_FailBadState,          // the specified command can not be given in
117                                        //    the card's current state. (or the wave device's
118                                        //    state)
119    K1212_CMDRET_CardUninitialized,     // the card is uninitialized and cannot be used
120    K1212_CMDRET_BadIndex,              // an out of range card index was specified
121    K1212_CMDRET_BadHandle,             // an invalid card handle was specified
122    K1212_CMDRET_NoFillRoutine,         // a play request has been made before a fill routine set
123    K1212_CMDRET_FillRoutineInUse,      // can't set a new fill routine while one is in use
124    K1212_CMDRET_NoAckFromCard,         // the card never acknowledged a command
125    K1212_CMDRET_BadParams,             // bad parameters were provided by the caller
126
127    K1212_CMDRET_BadDevice,             // the specified wave device was out of range
128    K1212_CMDRET_BadFormat              // the specified wave format is unsupported
129 };
130
131 // ----------------------------------------------------------------------------
132 // The following enumeration defines the constants used to select the play
133 // mode for the card in the SelectPlayMode command.
134 // ----------------------------------------------------------------------------
135 enum PlayModeSelector {
136    K1212_MODE_SetupPlay  = 0x00000001,     // provides card with pre-play information
137    K1212_MODE_MonitorOn  = 0x00000002,     // tells card to turn on monitor mode
138    K1212_MODE_MonitorOff = 0x00000004,     // tells card to turn off monitor mode
139    K1212_MODE_StopPlay   = 0x00000008      // stops playback on the card
140 };
141
142 // ----------------------------------------------------------------------------
143 // The following enumeration defines the constants used to select the monitor
144 // mode for the card in the SetMonitorMode command.
145 // ----------------------------------------------------------------------------
146 enum MonitorModeSelector {
147    K1212_MONMODE_Off  = 0,     // tells card to turn off monitor mode
148    K1212_MONMODE_On            // tells card to turn on monitor mode
149 };
150
151 #define MAILBOX0_OFFSET      0x40       // location of mailbox 0 relative to base address
152 #define MAILBOX1_OFFSET      0x44       // location of mailbox 1 relative to base address
153 #define MAILBOX2_OFFSET      0x48       // location of mailbox 2 relative to base address
154 #define MAILBOX3_OFFSET      0x4c       // location of mailbox 3 relative to base address
155 #define OUT_DOORBELL_OFFSET  0x60       // location of PCI to local doorbell
156 #define IN_DOORBELL_OFFSET   0x64       // location of local to PCI doorbell
157 #define STATUS_REG_OFFSET    0x68       // location of interrupt control/status register
158 #define PCI_CONTROL_OFFSET   0x6c       // location of the EEPROM, PCI, User I/O, init control
159                                         //    register
160 #define SENS_CONTROL_OFFSET  0x6e       // location of the input sensitivity setting register.
161                                         //    this is the upper word of the PCI control reg.
162 #define DEV_VEND_ID_OFFSET   0x70       // location of the device and vendor ID register
163
164 #define COMMAND_ACK_DELAY    13        // number of RTC ticks to wait for an acknowledgement
165                                         //    from the card after sending a command.
166 #define INTERCOMMAND_DELAY   40
167 #define MAX_COMMAND_RETRIES  5         // maximum number of times the driver will attempt
168                                        //    to send a command before giving up.
169 #define COMMAND_ACK_MASK     0x8000    // the MSB is set in the command acknowledgment from
170                                         //    the card.
171 #define DOORBELL_VAL_MASK    0x00FF    // the doorbell value is one byte
172
173 #define CARD_BOOT_DELAY_IN_MS  10
174 #define CARD_BOOT_TIMEOUT      10
175 #define DSP_BOOT_DELAY_IN_MS   200
176
177 #define kNumBuffers             8
178 #define k1212MaxCards           4
179 #define k1212NumWaveDevices     6
180 #define k16BitChannels          10
181 #define k32BitChannels          2
182 #define kAudioChannels          (k16BitChannels + k32BitChannels)
183 #define kPlayBufferFrames       1024
184
185 #define K1212_ANALOG_CHANNELS   2
186 #define K1212_SPDIF_CHANNELS    2
187 #define K1212_ADAT_CHANNELS     8
188 #define K1212_CHANNELS          (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
189 #define K1212_MIN_CHANNELS      1
190 #define K1212_MAX_CHANNELS      K1212_CHANNELS
191 #define K1212_FRAME_SIZE        (sizeof(struct KorgAudioFrame))
192 #define K1212_MAX_SAMPLES       (kPlayBufferFrames*kNumBuffers)
193 #define K1212_PERIODS           (kNumBuffers)
194 #define K1212_PERIOD_BYTES      (K1212_FRAME_SIZE*kPlayBufferFrames)
195 #define K1212_BUF_SIZE          (K1212_PERIOD_BYTES*kNumBuffers)
196 #define K1212_ANALOG_BUF_SIZE   (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
197 #define K1212_SPDIF_BUF_SIZE    (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
198 #define K1212_ADAT_BUF_SIZE     (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
199 #define K1212_MAX_BUF_SIZE      (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
200
201 #define k1212MinADCSens     0x7f
202 #define k1212MaxADCSens     0x00
203 #define k1212MaxVolume      0x7fff
204 #define k1212MaxWaveVolume  0xffff
205 #define k1212MinVolume      0x0000
206 #define k1212MaxVolInverted 0x8000
207
208 // -----------------------------------------------------------------
209 // the following bits are used for controlling interrupts in the
210 // interrupt control/status reg
211 // -----------------------------------------------------------------
212 #define  PCI_INT_ENABLE_BIT               0x00000100
213 #define  PCI_DOORBELL_INT_ENABLE_BIT      0x00000200
214 #define  LOCAL_INT_ENABLE_BIT             0x00010000
215 #define  LOCAL_DOORBELL_INT_ENABLE_BIT    0x00020000
216 #define  LOCAL_DMA1_INT_ENABLE_BIT        0x00080000
217
218 // -----------------------------------------------------------------
219 // the following bits are defined for the PCI command register
220 // -----------------------------------------------------------------
221 #define  PCI_CMD_MEM_SPACE_ENABLE_BIT     0x0002
222 #define  PCI_CMD_IO_SPACE_ENABLE_BIT      0x0001
223 #define  PCI_CMD_BUS_MASTER_ENABLE_BIT    0x0004
224
225 // -----------------------------------------------------------------
226 // the following bits are defined for the PCI status register
227 // -----------------------------------------------------------------
228 #define  PCI_STAT_PARITY_ERROR_BIT        0x8000
229 #define  PCI_STAT_SYSTEM_ERROR_BIT        0x4000
230 #define  PCI_STAT_MASTER_ABORT_RCVD_BIT   0x2000
231 #define  PCI_STAT_TARGET_ABORT_RCVD_BIT   0x1000
232 #define  PCI_STAT_TARGET_ABORT_SENT_BIT   0x0800
233
234 // ------------------------------------------------------------------------
235 // the following constants are used in setting the 1212 I/O card's input
236 // sensitivity.
237 // ------------------------------------------------------------------------
238 #define  SET_SENS_LOCALINIT_BITPOS        15
239 #define  SET_SENS_DATA_BITPOS             10
240 #define  SET_SENS_CLOCK_BITPOS            8
241 #define  SET_SENS_LOADSHIFT_BITPOS        0
242
243 #define  SET_SENS_LEFTCHANID              0x00
244 #define  SET_SENS_RIGHTCHANID             0x01
245
246 #define  K1212SENSUPDATE_DELAY_IN_MS      50
247
248 // --------------------------------------------------------------------------
249 // WaitRTCTicks
250 //
251 //    This function waits the specified number of real time clock ticks.
252 //    According to the DDK, each tick is ~0.8 microseconds.
253 //    The defines following the function declaration can be used for the
254 //    numTicksToWait parameter.
255 // --------------------------------------------------------------------------
256 #define ONE_RTC_TICK         1
257 #define SENSCLKPULSE_WIDTH   4
258 #define LOADSHIFT_DELAY      4
259 #define INTERCOMMAND_DELAY  40
260 #define STOPCARD_DELAY      300        // max # RTC ticks for the card to stop once we write
261                                        //    the command register.  (could be up to 180 us)
262 #define COMMAND_ACK_DELAY   13         // number of RTC ticks to wait for an acknowledgement
263                                        //    from the card after sending a command.
264
265 #include "korg1212-firmware.h"
266
267 enum ClockSourceIndex {
268    K1212_CLKIDX_AdatAt44_1K = 0,    // selects source as ADAT at 44.1 kHz
269    K1212_CLKIDX_AdatAt48K,          // selects source as ADAT at 48 kHz
270    K1212_CLKIDX_WordAt44_1K,        // selects source as S/PDIF at 44.1 kHz
271    K1212_CLKIDX_WordAt48K,          // selects source as S/PDIF at 48 kHz
272    K1212_CLKIDX_LocalAt44_1K,       // selects source as local clock at 44.1 kHz
273    K1212_CLKIDX_LocalAt48K,         // selects source as local clock at 48 kHz
274    K1212_CLKIDX_Invalid             // used to check validity of the index
275 };
276
277 enum ClockSourceType {
278    K1212_CLKIDX_Adat = 0,    // selects source as ADAT
279    K1212_CLKIDX_Word,        // selects source as S/PDIF
280    K1212_CLKIDX_Local        // selects source as local clock
281 };
282
283 struct KorgAudioFrame {
284         u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
285         u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
286         u32 timeCodeVal; /* holds the ADAT timecode value */
287 };
288
289 struct KorgAudioBuffer {
290         struct KorgAudioFrame  bufferData[kPlayBufferFrames];     /* buffer definition */
291 };
292
293 struct KorgSharedBuffer {
294 #ifdef K1212_LARGEALLOC
295    struct KorgAudioBuffer   playDataBufs[kNumBuffers];
296    struct KorgAudioBuffer   recordDataBufs[kNumBuffers];
297 #endif
298    short             volumeData[kAudioChannels];
299    u32               cardCommand;
300    u16               routeData [kAudioChannels];
301    u32               AdatTimeCode;                 // ADAT timecode value
302 };
303
304 struct SensBits {
305    union {
306       struct {
307          unsigned int leftChanVal:8;
308          unsigned int leftChanId:8;
309       } v;
310       u16  leftSensBits;
311    } l;
312    union {
313       struct {
314          unsigned int rightChanVal:8;
315          unsigned int rightChanId:8;
316       } v;
317       u16  rightSensBits;
318    } r;
319 };
320
321 struct snd_korg1212 {
322         struct snd_card *card;
323         struct pci_dev *pci;
324         struct snd_pcm *pcm;
325         int irq;
326
327         spinlock_t    lock;
328         struct semaphore open_mutex;
329
330         struct timer_list timer;        /* timer callback for checking ack of stop request */
331         int stop_pending_cnt;           /* counter for stop pending check */
332
333         wait_queue_head_t wait;
334
335         unsigned long iomem;
336         unsigned long ioport;
337         unsigned long iomem2;
338         unsigned long irqcount;
339         unsigned long inIRQ;
340         void __iomem *iobase;
341
342         struct snd_dma_buffer dma_dsp;
343         struct snd_dma_buffer dma_play;
344         struct snd_dma_buffer dma_rec;
345         struct snd_dma_buffer dma_shared;
346
347         u32 dspCodeSize;
348
349         u32 DataBufsSize;
350
351         struct KorgAudioBuffer  * playDataBufsPtr;
352         struct KorgAudioBuffer  * recordDataBufsPtr;
353
354         struct KorgSharedBuffer * sharedBufferPtr;
355
356         u32 RecDataPhy;
357         u32 PlayDataPhy;
358         unsigned long sharedBufferPhy;
359         u32 VolumeTablePhy;
360         u32 RoutingTablePhy;
361         u32 AdatTimeCodePhy;
362
363         u32 __iomem * statusRegPtr;          // address of the interrupt status/control register
364         u32 __iomem * outDoorbellPtr;        // address of the host->card doorbell register
365         u32 __iomem * inDoorbellPtr;         // address of the card->host doorbell register
366         u32 __iomem * mailbox0Ptr;           // address of mailbox 0 on the card
367         u32 __iomem * mailbox1Ptr;           // address of mailbox 1 on the card
368         u32 __iomem * mailbox2Ptr;           // address of mailbox 2 on the card
369         u32 __iomem * mailbox3Ptr;           // address of mailbox 3 on the card
370         u32 __iomem * controlRegPtr;         // address of the EEPROM, PCI, I/O, Init ctrl reg
371         u16 __iomem * sensRegPtr;            // address of the sensitivity setting register
372         u32 __iomem * idRegPtr;              // address of the device and vendor ID registers
373
374         size_t periodsize;
375         int channels;
376         int currentBuffer;
377
378         struct snd_pcm_substream *playback_substream;
379         struct snd_pcm_substream *capture_substream;
380
381         pid_t capture_pid;
382         pid_t playback_pid;
383
384         enum CardState cardState;
385         int running;
386         int idleMonitorOn;           // indicates whether the card is in idle monitor mode.
387         u32 cmdRetryCount;           // tracks how many times we have retried sending to the card.
388
389         enum ClockSourceIndex clkSrcRate; // sample rate and clock source
390
391         enum ClockSourceType clkSource;   // clock source
392         int clkRate;                 // clock rate
393
394         int volumePhase[kAudioChannels];
395
396         u16 leftADCInSens;           // ADC left channel input sensitivity
397         u16 rightADCInSens;          // ADC right channel input sensitivity
398
399         int opencnt;                 // Open/Close count
400         int setcnt;                  // SetupForPlay count
401         int playcnt;                 // TriggerPlay count
402         int errorcnt;                // Error Count
403         unsigned long totalerrorcnt; // Total Error Count
404
405         int dsp_is_loaded;
406         int dsp_stop_is_processed;
407
408 };
409
410 MODULE_DESCRIPTION("korg1212");
411 MODULE_LICENSE("GPL");
412 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
413
414 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;     /* Index 0-MAX */
415 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;          /* ID for this card */
416 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
417
418 module_param_array(index, int, NULL, 0444);
419 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
420 module_param_array(id, charp, NULL, 0444);
421 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
422 module_param_array(enable, bool, NULL, 0444);
423 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
424 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
425
426 static struct pci_device_id snd_korg1212_ids[] = {
427         {
428                 .vendor    = 0x10b5,
429                 .device    = 0x906d,
430                 .subvendor = PCI_ANY_ID,
431                 .subdevice = PCI_ANY_ID,
432         },
433         { 0, },
434 };
435
436 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
437
438 static char *stateName[] = {
439         "Non-existent",
440         "Uninitialized",
441         "DSP download in process",
442         "DSP download complete",
443         "Ready",
444         "Open",
445         "Setup for play",
446         "Playing",
447         "Monitor mode on",
448         "Calibrating",
449         "Invalid"
450 };
451
452 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
453
454 static char *clockSourceName[] = {
455         "ADAT at 44.1 kHz",
456         "ADAT at 48 kHz",
457         "S/PDIF at 44.1 kHz",
458         "S/PDIF at 48 kHz",
459         "local clock at 44.1 kHz",
460         "local clock at 48 kHz"
461 };
462
463 static char *channelName[] = {
464         "ADAT-1",
465         "ADAT-2",
466         "ADAT-3",
467         "ADAT-4",
468         "ADAT-5",
469         "ADAT-6",
470         "ADAT-7",
471         "ADAT-8",
472         "Analog-L",
473         "Analog-R",
474         "SPDIF-L",
475         "SPDIF-R",
476 };
477
478 static u16 ClockSourceSelector[] = {
479         0x8000,   // selects source as ADAT at 44.1 kHz
480         0x0000,   // selects source as ADAT at 48 kHz
481         0x8001,   // selects source as S/PDIF at 44.1 kHz
482         0x0001,   // selects source as S/PDIF at 48 kHz
483         0x8002,   // selects source as local clock at 44.1 kHz
484         0x0002    // selects source as local clock at 48 kHz
485 };
486
487 union swap_u32 { unsigned char c[4]; u32 i; };
488
489 #ifdef SNDRV_BIG_ENDIAN
490 static u32 LowerWordSwap(u32 swappee)
491 #else
492 static u32 UpperWordSwap(u32 swappee)
493 #endif
494 {
495    union swap_u32 retVal, swapper;
496
497    swapper.i = swappee;
498    retVal.c[2] = swapper.c[3];
499    retVal.c[3] = swapper.c[2];
500    retVal.c[1] = swapper.c[1];
501    retVal.c[0] = swapper.c[0];
502
503    return retVal.i;
504 }
505
506 #ifdef SNDRV_BIG_ENDIAN
507 static u32 UpperWordSwap(u32 swappee)
508 #else
509 static u32 LowerWordSwap(u32 swappee)
510 #endif
511 {
512    union swap_u32 retVal, swapper;
513
514    swapper.i = swappee;
515    retVal.c[2] = swapper.c[2];
516    retVal.c[3] = swapper.c[3];
517    retVal.c[1] = swapper.c[0];
518    retVal.c[0] = swapper.c[1];
519
520    return retVal.i;
521 }
522
523 #define SetBitInWord(theWord,bitPosition)       (*theWord) |= (0x0001 << bitPosition)
524 #define SetBitInDWord(theWord,bitPosition)      (*theWord) |= (0x00000001 << bitPosition)
525 #define ClearBitInWord(theWord,bitPosition)     (*theWord) &= ~(0x0001 << bitPosition)
526 #define ClearBitInDWord(theWord,bitPosition)    (*theWord) &= ~(0x00000001 << bitPosition)
527
528 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
529                                         enum korg1212_dbcnst doorbellVal,
530                                         u32 mailBox0Val, u32 mailBox1Val,
531                                         u32 mailBox2Val, u32 mailBox3Val)
532 {
533         u32 retryCount;
534         u16 mailBox3Lo;
535         int rc = K1212_CMDRET_Success;
536
537         if (!korg1212->outDoorbellPtr) {
538                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
539                 return K1212_CMDRET_CardUninitialized;
540         }
541
542         K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
543                            doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
544         for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
545                 writel(mailBox3Val, korg1212->mailbox3Ptr);
546                 writel(mailBox2Val, korg1212->mailbox2Ptr);
547                 writel(mailBox1Val, korg1212->mailbox1Ptr);
548                 writel(mailBox0Val, korg1212->mailbox0Ptr);
549                 writel(doorbellVal, korg1212->outDoorbellPtr);  // interrupt the card
550
551                 // --------------------------------------------------------------
552                 // the reboot command will not give an acknowledgement.
553                 // --------------------------------------------------------------
554                 if ( doorbellVal == K1212_DB_RebootCard ||
555                         doorbellVal == K1212_DB_BootFromDSPPage4 ||
556                         doorbellVal == K1212_DB_StartDSPDownload ) {
557                         rc = K1212_CMDRET_Success;
558                         break;
559                 }
560
561                 // --------------------------------------------------------------
562                 // See if the card acknowledged the command.  Wait a bit, then
563                 // read in the low word of mailbox3.  If the MSB is set and the
564                 // low byte is equal to the doorbell value, then it ack'd.
565                 // --------------------------------------------------------------
566                 udelay(COMMAND_ACK_DELAY);
567                 mailBox3Lo = readl(korg1212->mailbox3Ptr);
568                 if (mailBox3Lo & COMMAND_ACK_MASK) {
569                         if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
570                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
571                                 rc = K1212_CMDRET_Success;
572                                 break;
573                         }
574                 }
575         }
576         korg1212->cmdRetryCount += retryCount;
577
578         if (retryCount >= MAX_COMMAND_RETRIES) {
579                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
580                 rc = K1212_CMDRET_NoAckFromCard;
581         }
582
583         return rc;
584 }
585
586 /* spinlock already held */
587 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
588 {
589         if (! korg1212->stop_pending_cnt) {
590                 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
591                 /* program the timer */
592                 korg1212->stop_pending_cnt = HZ;
593                 korg1212->timer.expires = jiffies + 1;
594                 add_timer(&korg1212->timer);
595         }
596 }
597
598 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
599 {
600         unsigned long flags;
601         spin_lock_irqsave(&korg1212->lock, flags);
602         korg1212->dsp_stop_is_processed = 0;
603         snd_korg1212_SendStop(korg1212);
604         spin_unlock_irqrestore(&korg1212->lock, flags);
605         wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
606 }
607
608 /* timer callback for checking the ack of stop request */
609 static void snd_korg1212_timer_func(unsigned long data)
610 {
611         struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
612         
613         spin_lock(&korg1212->lock);
614         if (korg1212->sharedBufferPtr->cardCommand == 0) {
615                 /* ack'ed */
616                 korg1212->stop_pending_cnt = 0;
617                 korg1212->dsp_stop_is_processed = 1;
618                 wake_up(&korg1212->wait);
619                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
620                                            stateName[korg1212->cardState]);
621         } else {
622                 if (--korg1212->stop_pending_cnt > 0) {
623                         /* reprogram timer */
624                         korg1212->timer.expires = jiffies + 1;
625                         add_timer(&korg1212->timer);
626                 } else {
627                         snd_printd("korg1212_timer_func timeout\n");
628                         korg1212->sharedBufferPtr->cardCommand = 0;
629                         korg1212->dsp_stop_is_processed = 1;
630                         wake_up(&korg1212->wait);
631                         K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
632                                            stateName[korg1212->cardState]);
633                 }
634         }
635         spin_unlock(&korg1212->lock);
636 }
637
638 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
639 {
640         unsigned long flags;
641         int rc;
642
643         udelay(INTERCOMMAND_DELAY);
644         spin_lock_irqsave(&korg1212->lock, flags);
645         korg1212->idleMonitorOn = 1;
646         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
647                                           K1212_MODE_MonitorOn, 0, 0, 0);
648         spin_unlock_irqrestore(&korg1212->lock, flags);
649         return rc;
650 }
651
652 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
653 {
654         if (korg1212->idleMonitorOn) {
655                 snd_korg1212_SendStopAndWait(korg1212);
656                 korg1212->idleMonitorOn = 0;
657         }
658 }
659
660 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
661 {
662         korg1212->cardState = csState;
663 }
664
665 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
666 {
667         K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
668                            stateName[korg1212->cardState], korg1212->opencnt);
669         down(&korg1212->open_mutex);
670         if (korg1212->opencnt++ == 0) {
671                 snd_korg1212_TurnOffIdleMonitor(korg1212);
672                 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
673         }
674
675         up(&korg1212->open_mutex);
676         return 1;
677 }
678
679 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
680 {
681         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
682                            stateName[korg1212->cardState], korg1212->opencnt);
683
684         down(&korg1212->open_mutex);
685         if (--(korg1212->opencnt)) {
686                 up(&korg1212->open_mutex);
687                 return 0;
688         }
689
690         if (korg1212->cardState == K1212_STATE_SETUP) {
691                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
692                                 K1212_MODE_StopPlay, 0, 0, 0);
693                 if (rc)
694                         K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
695                                            rc, stateName[korg1212->cardState]);
696                 if (rc != K1212_CMDRET_Success) {
697                         up(&korg1212->open_mutex);
698                         return 0;
699                 }
700         } else if (korg1212->cardState > K1212_STATE_SETUP) {
701                 snd_korg1212_SendStopAndWait(korg1212);
702         }
703
704         if (korg1212->cardState > K1212_STATE_READY) {
705                 snd_korg1212_TurnOnIdleMonitor(korg1212);
706                 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
707         }
708
709         up(&korg1212->open_mutex);
710         return 0;
711 }
712
713 /* spinlock already held */
714 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
715 {
716         int rc;
717
718         K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
719                            stateName[korg1212->cardState], korg1212->setcnt);
720
721         if (korg1212->setcnt++)
722                 return 0;
723
724         snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
725         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
726                                         K1212_MODE_SetupPlay, 0, 0, 0);
727         if (rc)
728                 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - 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_TriggerPlay(struct snd_korg1212 * korg1212)
738 {
739         int rc;
740
741         K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
742                            stateName[korg1212->cardState], korg1212->playcnt);
743
744         if (korg1212->playcnt++)
745                 return 0;
746
747         snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
748         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
749         if (rc)
750                 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
751                                    rc, stateName[korg1212->cardState]);
752         if (rc != K1212_CMDRET_Success) {
753                 return 1;
754         }
755         return 0;
756 }
757
758 /* spinlock already held */
759 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
760 {
761         K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
762                            stateName[korg1212->cardState], korg1212->playcnt);
763
764         if (--(korg1212->playcnt)) 
765                 return 0;
766
767         korg1212->setcnt = 0;
768
769         if (korg1212->cardState != K1212_STATE_ERRORSTOP)
770                 snd_korg1212_SendStop(korg1212);
771
772         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
773         return 0;
774 }
775
776 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
777 {
778         writel(PCI_INT_ENABLE_BIT            |
779                PCI_DOORBELL_INT_ENABLE_BIT   |
780                LOCAL_INT_ENABLE_BIT          |
781                LOCAL_DOORBELL_INT_ENABLE_BIT |
782                LOCAL_DMA1_INT_ENABLE_BIT,
783                korg1212->statusRegPtr);
784 }
785
786 #if 0 /* not used */
787
788 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
789                                        enum MonitorModeSelector mode)
790 {
791         K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
792                            stateName[korg1212->cardState]);
793
794         switch (mode) {
795         case K1212_MONMODE_Off:
796                 if (korg1212->cardState != K1212_STATE_MONITOR)
797                         return 0;
798                 else {
799                         snd_korg1212_SendStopAndWait(korg1212);
800                         snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
801                 }
802                 break;
803
804         case K1212_MONMODE_On:
805                 if (korg1212->cardState != K1212_STATE_OPEN)
806                         return 0;
807                 else {
808                         int rc;
809                         snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
810                         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
811                                                           K1212_MODE_MonitorOn, 0, 0, 0);
812                         if (rc != K1212_CMDRET_Success)
813                                 return 0;
814                 }
815                 break;
816
817         default:
818                 return 0;
819         }
820
821         return 1;
822 }
823
824 #endif /* not used */
825
826 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
827 {
828         if (korg1212->playback_pid != korg1212->capture_pid &&
829             korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
830                 return 0;
831
832         return 1;
833 }
834
835 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
836 {
837         static enum ClockSourceIndex s44[] = {
838                 K1212_CLKIDX_AdatAt44_1K,
839                 K1212_CLKIDX_WordAt44_1K,
840                 K1212_CLKIDX_LocalAt44_1K
841         };
842         static enum ClockSourceIndex s48[] = {
843                 K1212_CLKIDX_AdatAt48K,
844                 K1212_CLKIDX_WordAt48K,
845                 K1212_CLKIDX_LocalAt48K
846         };
847         int parm, rc;
848
849         if (!snd_korg1212_use_is_exclusive (korg1212))
850                 return -EBUSY;
851
852         switch (rate) {
853         case 44100:
854                 parm = s44[korg1212->clkSource];
855                 break;
856
857         case 48000:
858                 parm = s48[korg1212->clkSource];
859                 break;
860
861         default:
862                 return -EINVAL;
863         }
864
865         korg1212->clkSrcRate = parm;
866         korg1212->clkRate = rate;
867
868         udelay(INTERCOMMAND_DELAY);
869         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
870                                           ClockSourceSelector[korg1212->clkSrcRate],
871                                           0, 0, 0);
872         if (rc)
873                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
874                                    rc, stateName[korg1212->cardState]);
875
876         return 0;
877 }
878
879 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
880 {
881
882         if (source < 0 || source > 2)
883                 return -EINVAL;
884
885         korg1212->clkSource = source;
886
887         snd_korg1212_SetRate(korg1212, korg1212->clkRate);
888
889         return 0;
890 }
891
892 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
893 {
894         writel(0, korg1212->statusRegPtr);
895 }
896
897 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
898 {
899         struct SensBits  sensVals;
900         int       bitPosition;
901         int       channel;
902         int       clkIs48K;
903         int       monModeSet;
904         u16       controlValue;    // this keeps the current value to be written to
905                                    //  the card's eeprom control register.
906         u16       count;
907         unsigned long flags;
908
909         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
910                            stateName[korg1212->cardState]);
911
912         // ----------------------------------------------------------------------------
913         // initialize things.  The local init bit is always set when writing to the
914         // card's control register.
915         // ----------------------------------------------------------------------------
916         controlValue = 0;
917         SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS);    // init the control value
918
919         // ----------------------------------------------------------------------------
920         // make sure the card is not in monitor mode when we do this update.
921         // ----------------------------------------------------------------------------
922         if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
923                 monModeSet = 1;
924                 snd_korg1212_SendStopAndWait(korg1212);
925         } else
926                 monModeSet = 0;
927
928         spin_lock_irqsave(&korg1212->lock, flags);
929
930         // ----------------------------------------------------------------------------
931         // we are about to send new values to the card, so clear the new values queued
932         // flag.  Also, clear out mailbox 3, so we don't lockup.
933         // ----------------------------------------------------------------------------
934         writel(0, korg1212->mailbox3Ptr);
935         udelay(LOADSHIFT_DELAY);
936
937         // ----------------------------------------------------------------------------
938         // determine whether we are running a 48K or 44.1K clock.  This info is used
939         // later when setting the SPDIF FF after the volume has been shifted in.
940         // ----------------------------------------------------------------------------
941         switch (korg1212->clkSrcRate) {
942                 case K1212_CLKIDX_AdatAt44_1K:
943                 case K1212_CLKIDX_WordAt44_1K:
944                 case K1212_CLKIDX_LocalAt44_1K:
945                         clkIs48K = 0;
946                         break;
947
948                 case K1212_CLKIDX_WordAt48K:
949                 case K1212_CLKIDX_AdatAt48K:
950                 case K1212_CLKIDX_LocalAt48K:
951                 default:
952                         clkIs48K = 1;
953                         break;
954         }
955
956         // ----------------------------------------------------------------------------
957         // start the update.  Setup the bit structure and then shift the bits.
958         // ----------------------------------------------------------------------------
959         sensVals.l.v.leftChanId   = SET_SENS_LEFTCHANID;
960         sensVals.r.v.rightChanId  = SET_SENS_RIGHTCHANID;
961         sensVals.l.v.leftChanVal  = korg1212->leftADCInSens;
962         sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
963
964         // ----------------------------------------------------------------------------
965         // now start shifting the bits in.  Start with the left channel then the right.
966         // ----------------------------------------------------------------------------
967         for (channel = 0; channel < 2; channel++) {
968
969                 // ----------------------------------------------------------------------------
970                 // Bring the load/shift line low, then wait - the spec says >150ns from load/
971                 // shift low to the first rising edge of the clock.
972                 // ----------------------------------------------------------------------------
973                 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
974                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
975                 writew(controlValue, korg1212->sensRegPtr);                          // load/shift goes low
976                 udelay(LOADSHIFT_DELAY);
977
978                 for (bitPosition = 15; bitPosition >= 0; bitPosition--) {       // for all the bits
979                         if (channel == 0) {
980                                 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
981                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
982                                 else
983                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
984                         } else {
985                                 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
986                                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);     // data bit set high
987                                 else
988                                         ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);   // data bit set low
989                         }
990
991                         ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
992                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes low
993                         udelay(SENSCLKPULSE_WIDTH);
994                         SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
995                         writew(controlValue, korg1212->sensRegPtr);                       // clock goes high
996                         udelay(SENSCLKPULSE_WIDTH);
997                 }
998
999                 // ----------------------------------------------------------------------------
1000                 // finish up SPDIF for left.  Bring the load/shift line high, then write a one
1001                 // bit if the clock rate is 48K otherwise write 0.
1002                 // ----------------------------------------------------------------------------
1003                 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1004                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1005                 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1006                 writew(controlValue, korg1212->sensRegPtr);                   // load shift goes high - clk low
1007                 udelay(SENSCLKPULSE_WIDTH);
1008
1009                 if (clkIs48K)
1010                         SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1011
1012                 writew(controlValue, korg1212->sensRegPtr);                   // set/clear data bit
1013                 udelay(ONE_RTC_TICK);
1014                 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1015                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes high
1016                 udelay(SENSCLKPULSE_WIDTH);
1017                 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1018                 writew(controlValue, korg1212->sensRegPtr);                   // clock goes low
1019                 udelay(SENSCLKPULSE_WIDTH);
1020         }
1021
1022         // ----------------------------------------------------------------------------
1023         // The update is complete.  Set a timeout.  This is the inter-update delay.
1024         // Also, if the card was in monitor mode, restore it.
1025         // ----------------------------------------------------------------------------
1026         for (count = 0; count < 10; count++)
1027                 udelay(SENSCLKPULSE_WIDTH);
1028
1029         if (monModeSet) {
1030                 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1031                                 K1212_MODE_MonitorOn, 0, 0, 0);
1032                 if (rc)
1033                         K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1034                                            rc, stateName[korg1212->cardState]);
1035         }
1036
1037         spin_unlock_irqrestore(&korg1212->lock, flags);
1038
1039         return 1;
1040 }
1041
1042 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1043 {
1044         int channel, rc;
1045
1046         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1047                            stateName[korg1212->cardState]);
1048
1049         // ----------------------------------------------------
1050         // tell the card to boot
1051         // ----------------------------------------------------
1052         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1053
1054         if (rc)
1055                 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1056                                    rc, stateName[korg1212->cardState]);
1057         msleep(DSP_BOOT_DELAY_IN_MS);
1058
1059         // --------------------------------------------------------------------------------
1060         // Let the card know where all the buffers are.
1061         // --------------------------------------------------------------------------------
1062         rc = snd_korg1212_Send1212Command(korg1212,
1063                         K1212_DB_ConfigureBufferMemory,
1064                         LowerWordSwap(korg1212->PlayDataPhy),
1065                         LowerWordSwap(korg1212->RecDataPhy),
1066                         ((kNumBuffers * kPlayBufferFrames) / 2),   // size given to the card
1067                                                                    // is based on 2 buffers
1068                         0
1069         );
1070
1071         if (rc)
1072                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1073                                    rc, stateName[korg1212->cardState]);
1074
1075         udelay(INTERCOMMAND_DELAY);
1076
1077         rc = snd_korg1212_Send1212Command(korg1212,
1078                         K1212_DB_ConfigureMiscMemory,
1079                         LowerWordSwap(korg1212->VolumeTablePhy),
1080                         LowerWordSwap(korg1212->RoutingTablePhy),
1081                         LowerWordSwap(korg1212->AdatTimeCodePhy),
1082                         0
1083         );
1084
1085         if (rc)
1086                 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1087                                    rc, stateName[korg1212->cardState]);
1088
1089         // --------------------------------------------------------------------------------
1090         // Initialize the routing and volume tables, then update the card's state.
1091         // --------------------------------------------------------------------------------
1092         udelay(INTERCOMMAND_DELAY);
1093
1094         for (channel = 0; channel < kAudioChannels; channel++) {
1095                 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1096                 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1097                 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1098         }
1099
1100         snd_korg1212_WriteADCSensitivity(korg1212);
1101
1102         udelay(INTERCOMMAND_DELAY);
1103         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1104                                           ClockSourceSelector[korg1212->clkSrcRate],
1105                                           0, 0, 0);
1106         if (rc)
1107                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1108                                    rc, stateName[korg1212->cardState]);
1109
1110         rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1111         snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1112
1113         if (rc)
1114                 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1115                                    rc, stateName[korg1212->cardState]);
1116
1117         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1118 }
1119
1120 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1121 {
1122         u32 doorbellValue;
1123         struct snd_korg1212 *korg1212 = dev_id;
1124
1125         if(irq != korg1212->irq)
1126                 return IRQ_NONE;
1127
1128         doorbellValue = readl(korg1212->inDoorbellPtr);
1129
1130         if (!doorbellValue)
1131                 return IRQ_NONE;
1132
1133         spin_lock(&korg1212->lock);
1134
1135         writel(doorbellValue, korg1212->inDoorbellPtr);
1136
1137         korg1212->irqcount++;
1138
1139         korg1212->inIRQ++;
1140
1141
1142         switch (doorbellValue) {
1143                 case K1212_DB_DSPDownloadDone:
1144                         K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1145                                            korg1212->irqcount, doorbellValue,
1146                                            stateName[korg1212->cardState]);
1147                         if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1148                                 korg1212->dsp_is_loaded = 1;
1149                                 wake_up(&korg1212->wait);
1150                         }
1151                         break;
1152
1153                 // ------------------------------------------------------------------------
1154                 // an error occurred - stop the card
1155                 // ------------------------------------------------------------------------
1156                 case K1212_DB_DMAERROR:
1157                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1158                                                    korg1212->irqcount, doorbellValue,
1159                                                    stateName[korg1212->cardState]);
1160                         snd_printk(KERN_ERR "korg1212: DMA Error\n");
1161                         korg1212->errorcnt++;
1162                         korg1212->totalerrorcnt++;
1163                         korg1212->sharedBufferPtr->cardCommand = 0;
1164                         snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1165                         break;
1166
1167                 // ------------------------------------------------------------------------
1168                 // the card has stopped by our request.  Clear the command word and signal
1169                 // the semaphore in case someone is waiting for this.
1170                 // ------------------------------------------------------------------------
1171                 case K1212_DB_CARDSTOPPED:
1172                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1173                                                    korg1212->irqcount, doorbellValue,
1174                                                    stateName[korg1212->cardState]);
1175                         korg1212->sharedBufferPtr->cardCommand = 0;
1176                         break;
1177
1178                 default:
1179                         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1180                                korg1212->irqcount, doorbellValue, 
1181                                korg1212->currentBuffer, stateName[korg1212->cardState]);
1182                         if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1183                                 korg1212->currentBuffer++;
1184
1185                                 if (korg1212->currentBuffer >= kNumBuffers)
1186                                         korg1212->currentBuffer = 0;
1187
1188                                 if (!korg1212->running)
1189                                         break;
1190
1191                                 if (korg1212->capture_substream) {
1192                                         spin_unlock(&korg1212->lock);
1193                                         snd_pcm_period_elapsed(korg1212->capture_substream);
1194                                         spin_lock(&korg1212->lock);
1195                                 }
1196
1197                                 if (korg1212->playback_substream) {
1198                                         spin_unlock(&korg1212->lock);
1199                                         snd_pcm_period_elapsed(korg1212->playback_substream);
1200                                         spin_lock(&korg1212->lock);
1201                                 }
1202                         }
1203                         break;
1204         }
1205
1206         korg1212->inIRQ--;
1207
1208         spin_unlock(&korg1212->lock);
1209
1210         return IRQ_HANDLED;
1211 }
1212
1213 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1214 {
1215         int rc;
1216
1217         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1218                            stateName[korg1212->cardState]);
1219
1220         // ---------------------------------------------------------------
1221         // verify the state of the card before proceeding.
1222         // ---------------------------------------------------------------
1223         if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1224                 return 1;
1225
1226         snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1227
1228         memcpy(korg1212->dma_dsp.area, dspCode, korg1212->dspCodeSize);
1229
1230         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1231                                      UpperWordSwap(korg1212->dma_dsp.addr),
1232                                      0, 0, 0);
1233         if (rc)
1234                 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1235                                    rc, stateName[korg1212->cardState]);
1236
1237         korg1212->dsp_is_loaded = 0;
1238         wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1239         if (! korg1212->dsp_is_loaded )
1240                 return -EBUSY; /* timeout */
1241
1242         snd_korg1212_OnDSPDownloadComplete(korg1212);
1243
1244         return 0;
1245 }
1246
1247 static struct snd_pcm_hardware snd_korg1212_playback_info =
1248 {
1249         .info =              (SNDRV_PCM_INFO_MMAP |
1250                               SNDRV_PCM_INFO_MMAP_VALID |
1251                               SNDRV_PCM_INFO_INTERLEAVED),
1252         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1253         .rates =              (SNDRV_PCM_RATE_44100 |
1254                               SNDRV_PCM_RATE_48000),
1255         .rate_min =           44100,
1256         .rate_max =           48000,
1257         .channels_min =       K1212_MIN_CHANNELS,
1258         .channels_max =       K1212_MAX_CHANNELS,
1259         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1260         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1261         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1262         .periods_min =        K1212_PERIODS,
1263         .periods_max =        K1212_PERIODS,
1264         .fifo_size =          0,
1265 };
1266
1267 static struct snd_pcm_hardware snd_korg1212_capture_info =
1268 {
1269         .info =              (SNDRV_PCM_INFO_MMAP |
1270                               SNDRV_PCM_INFO_MMAP_VALID |
1271                               SNDRV_PCM_INFO_INTERLEAVED),
1272         .formats =            SNDRV_PCM_FMTBIT_S16_LE,
1273         .rates =              (SNDRV_PCM_RATE_44100 |
1274                               SNDRV_PCM_RATE_48000),
1275         .rate_min =           44100,
1276         .rate_max =           48000,
1277         .channels_min =       K1212_MIN_CHANNELS,
1278         .channels_max =       K1212_MAX_CHANNELS,
1279         .buffer_bytes_max =   K1212_MAX_BUF_SIZE,
1280         .period_bytes_min =   K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1281         .period_bytes_max =   K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1282         .periods_min =        K1212_PERIODS,
1283         .periods_max =        K1212_PERIODS,
1284         .fifo_size =          0,
1285 };
1286
1287 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1288 {
1289         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1290         int i;
1291
1292         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1293                                    pos, offset, size, count);
1294         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1295
1296         for (i=0; i < count; i++) {
1297 #if K1212_DEBUG_LEVEL > 0
1298                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1299                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1300                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1301                                dst, i);
1302                         return -EFAULT;
1303                 }
1304 #endif
1305                 memset((void*) dst + offset, 0, size);
1306                 dst++;
1307         }
1308
1309         return 0;
1310 }
1311
1312 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1313 {
1314         struct KorgAudioFrame * src =  korg1212->recordDataBufsPtr[0].bufferData + pos;
1315         int i, rc;
1316
1317         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1318                                    pos, offset, size);
1319         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1320
1321         for (i=0; i < count; i++) {
1322 #if K1212_DEBUG_LEVEL > 0
1323                 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1324                      (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1325                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1326                         return -EFAULT;
1327                 }
1328 #endif
1329                 rc = copy_to_user(dst + offset, src, size);
1330                 if (rc) {
1331                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1332                         return -EFAULT;
1333                 }
1334                 src++;
1335                 dst += size;
1336         }
1337
1338         return 0;
1339 }
1340
1341 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1342 {
1343         struct KorgAudioFrame * dst =  korg1212->playDataBufsPtr[0].bufferData + pos;
1344         int i, rc;
1345
1346         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1347                                    pos, offset, size, count);
1348
1349         snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1350
1351         for (i=0; i < count; i++) {
1352 #if K1212_DEBUG_LEVEL > 0
1353                 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1354                      (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1355                         printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1356                         return -EFAULT;
1357                 }
1358 #endif
1359                 rc = copy_from_user((void*) dst + offset, src, size);
1360                 if (rc) {
1361                         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1362                         return -EFAULT;
1363                 }
1364                 dst++;
1365                 src += size;
1366         }
1367
1368         return 0;
1369 }
1370
1371 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1372 {
1373         struct snd_korg1212 *korg1212 = pcm->private_data;
1374
1375         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1376                            stateName[korg1212->cardState]);
1377
1378         korg1212->pcm = NULL;
1379 }
1380
1381 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1382 {
1383         unsigned long flags;
1384         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1385         struct snd_pcm_runtime *runtime = substream->runtime;
1386
1387         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1388                            stateName[korg1212->cardState]);
1389
1390         snd_pcm_set_sync(substream);    // ???
1391
1392         snd_korg1212_OpenCard(korg1212);
1393
1394         runtime->hw = snd_korg1212_playback_info;
1395         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1396
1397         spin_lock_irqsave(&korg1212->lock, flags);
1398
1399         korg1212->playback_substream = substream;
1400         korg1212->playback_pid = current->pid;
1401         korg1212->periodsize = K1212_PERIODS;
1402         korg1212->channels = K1212_CHANNELS;
1403         korg1212->errorcnt = 0;
1404
1405         spin_unlock_irqrestore(&korg1212->lock, flags);
1406
1407         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1408         return 0;
1409 }
1410
1411
1412 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1413 {
1414         unsigned long flags;
1415         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1416         struct snd_pcm_runtime *runtime = substream->runtime;
1417
1418         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1419                            stateName[korg1212->cardState]);
1420
1421         snd_pcm_set_sync(substream);
1422
1423         snd_korg1212_OpenCard(korg1212);
1424
1425         runtime->hw = snd_korg1212_capture_info;
1426         snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1427
1428         spin_lock_irqsave(&korg1212->lock, flags);
1429
1430         korg1212->capture_substream = substream;
1431         korg1212->capture_pid = current->pid;
1432         korg1212->periodsize = K1212_PERIODS;
1433         korg1212->channels = K1212_CHANNELS;
1434
1435         spin_unlock_irqrestore(&korg1212->lock, flags);
1436
1437         snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1438                                      kPlayBufferFrames, kPlayBufferFrames);
1439         return 0;
1440 }
1441
1442 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1443 {
1444         unsigned long flags;
1445         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1446
1447         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1448                            stateName[korg1212->cardState]);
1449
1450         snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1451
1452         spin_lock_irqsave(&korg1212->lock, flags);
1453
1454         korg1212->playback_pid = -1;
1455         korg1212->playback_substream = NULL;
1456         korg1212->periodsize = 0;
1457
1458         spin_unlock_irqrestore(&korg1212->lock, flags);
1459
1460         snd_korg1212_CloseCard(korg1212);
1461         return 0;
1462 }
1463
1464 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1465 {
1466         unsigned long flags;
1467         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1468
1469         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1470                            stateName[korg1212->cardState]);
1471
1472         spin_lock_irqsave(&korg1212->lock, flags);
1473
1474         korg1212->capture_pid = -1;
1475         korg1212->capture_substream = NULL;
1476         korg1212->periodsize = 0;
1477
1478         spin_unlock_irqrestore(&korg1212->lock, flags);
1479
1480         snd_korg1212_CloseCard(korg1212);
1481         return 0;
1482 }
1483
1484 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1485                              unsigned int cmd, void *arg)
1486 {
1487         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1488
1489         if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1490                 struct snd_pcm_channel_info *info = arg;
1491                 info->offset = 0;
1492                 info->first = info->channel * 16;
1493                 info->step = 256;
1494                 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1495                 return 0;
1496         }
1497
1498         return snd_pcm_lib_ioctl(substream, cmd, arg);
1499 }
1500
1501 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1502                              struct snd_pcm_hw_params *params)
1503 {
1504         unsigned long flags;
1505         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1506         int err;
1507         pid_t this_pid;
1508         pid_t other_pid;
1509
1510         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1511                            stateName[korg1212->cardState]);
1512
1513         spin_lock_irqsave(&korg1212->lock, flags);
1514
1515         if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1516                 this_pid = korg1212->playback_pid;
1517                 other_pid = korg1212->capture_pid;
1518         } else {
1519                 this_pid = korg1212->capture_pid;
1520                 other_pid = korg1212->playback_pid;
1521         }
1522
1523         if ((other_pid > 0) && (this_pid != other_pid)) {
1524
1525                 /* The other stream is open, and not by the same
1526                    task as this one. Make sure that the parameters
1527                    that matter are the same.
1528                  */
1529
1530                 if ((int)params_rate(params) != korg1212->clkRate) {
1531                         spin_unlock_irqrestore(&korg1212->lock, flags);
1532                         _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1533                         return -EBUSY;
1534                 }
1535
1536                 spin_unlock_irqrestore(&korg1212->lock, flags);
1537                 return 0;
1538         }
1539
1540         if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1541                 spin_unlock_irqrestore(&korg1212->lock, flags);
1542                 return err;
1543         }
1544
1545         korg1212->channels = params_channels(params);
1546         korg1212->periodsize = K1212_PERIOD_BYTES;
1547
1548         spin_unlock_irqrestore(&korg1212->lock, flags);
1549
1550         return 0;
1551 }
1552
1553 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1554 {
1555         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1556         int rc;
1557
1558         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1559                            stateName[korg1212->cardState]);
1560
1561         spin_lock_irq(&korg1212->lock);
1562
1563         /* FIXME: we should wait for ack! */
1564         if (korg1212->stop_pending_cnt > 0) {
1565                 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1566                                    stateName[korg1212->cardState]);
1567                 spin_unlock_irq(&korg1212->lock);
1568                 return -EAGAIN;
1569                 /*
1570                 korg1212->sharedBufferPtr->cardCommand = 0;
1571                 del_timer(&korg1212->timer);
1572                 korg1212->stop_pending_cnt = 0;
1573                 */
1574         }
1575
1576         rc = snd_korg1212_SetupForPlay(korg1212);
1577
1578         korg1212->currentBuffer = 0;
1579
1580         spin_unlock_irq(&korg1212->lock);
1581
1582         return rc ? -EINVAL : 0;
1583 }
1584
1585 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1586                            int cmd)
1587 {
1588         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1589         int rc;
1590
1591         K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1592                            stateName[korg1212->cardState], cmd);
1593
1594         spin_lock(&korg1212->lock);
1595         switch (cmd) {
1596                 case SNDRV_PCM_TRIGGER_START:
1597 /*
1598                         if (korg1212->running) {
1599                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1600                                 break;
1601                         }
1602 */
1603                         korg1212->running++;
1604                         rc = snd_korg1212_TriggerPlay(korg1212);
1605                         break;
1606
1607                 case SNDRV_PCM_TRIGGER_STOP:
1608 /*
1609                         if (!korg1212->running) {
1610                                 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1611                                 break;
1612                         }
1613 */
1614                         korg1212->running--;
1615                         rc = snd_korg1212_StopPlay(korg1212);
1616                         break;
1617
1618                 default:
1619                         rc = 1;
1620                         break;
1621         }
1622         spin_unlock(&korg1212->lock);
1623         return rc ? -EINVAL : 0;
1624 }
1625
1626 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1627 {
1628         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1629         snd_pcm_uframes_t pos;
1630
1631         pos = korg1212->currentBuffer * kPlayBufferFrames;
1632
1633         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", 
1634                                    stateName[korg1212->cardState], pos);
1635
1636         return pos;
1637 }
1638
1639 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1640 {
1641         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1642         snd_pcm_uframes_t pos;
1643
1644         pos = korg1212->currentBuffer * kPlayBufferFrames;
1645
1646         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1647                                    stateName[korg1212->cardState], pos);
1648
1649         return pos;
1650 }
1651
1652 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1653                         int channel, /* not used (interleaved data) */
1654                         snd_pcm_uframes_t pos,
1655                         void __user *src,
1656                         snd_pcm_uframes_t count)
1657 {
1658         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1659
1660         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1661                                    stateName[korg1212->cardState], pos, count);
1662  
1663         return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1664
1665 }
1666
1667 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1668                            int channel, /* not used (interleaved data) */
1669                            snd_pcm_uframes_t pos,
1670                            snd_pcm_uframes_t count)
1671 {
1672         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1673
1674         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1675                                    stateName[korg1212->cardState]);
1676
1677         return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1678 }
1679
1680 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1681                         int channel, /* not used (interleaved data) */
1682                         snd_pcm_uframes_t pos,
1683                         void __user *dst,
1684                         snd_pcm_uframes_t count)
1685 {
1686         struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1687
1688         K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1689                                    stateName[korg1212->cardState], pos, count);
1690
1691         return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1692 }
1693
1694 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1695         .open =         snd_korg1212_playback_open,
1696         .close =        snd_korg1212_playback_close,
1697         .ioctl =        snd_korg1212_ioctl,
1698         .hw_params =    snd_korg1212_hw_params,
1699         .prepare =      snd_korg1212_prepare,
1700         .trigger =      snd_korg1212_trigger,
1701         .pointer =      snd_korg1212_playback_pointer,
1702         .copy =         snd_korg1212_playback_copy,
1703         .silence =      snd_korg1212_playback_silence,
1704 };
1705
1706 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1707         .open =         snd_korg1212_capture_open,
1708         .close =        snd_korg1212_capture_close,
1709         .ioctl =        snd_korg1212_ioctl,
1710         .hw_params =    snd_korg1212_hw_params,
1711         .prepare =      snd_korg1212_prepare,
1712         .trigger =      snd_korg1212_trigger,
1713         .pointer =      snd_korg1212_capture_pointer,
1714         .copy =         snd_korg1212_capture_copy,
1715 };
1716
1717 /*
1718  * Control Interface
1719  */
1720
1721 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1722                                            struct snd_ctl_elem_info *uinfo)
1723 {
1724         uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1725         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1726         return 0;
1727 }
1728
1729 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1730                                           struct snd_ctl_elem_value *u)
1731 {
1732         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1733         int i = kcontrol->private_value;
1734
1735         spin_lock_irq(&korg1212->lock);
1736
1737         u->value.integer.value[0] = korg1212->volumePhase[i];
1738
1739         if (i >= 8)
1740                 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1741
1742         spin_unlock_irq(&korg1212->lock);
1743
1744         return 0;
1745 }
1746
1747 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1748                                           struct snd_ctl_elem_value *u)
1749 {
1750         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1751         int change = 0;
1752         int i, val;
1753
1754         spin_lock_irq(&korg1212->lock);
1755
1756         i = kcontrol->private_value;
1757
1758         korg1212->volumePhase[i] = u->value.integer.value[0];
1759
1760         val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1761
1762         if ((u->value.integer.value[0] > 0) != (val < 0)) {
1763                 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1764                 korg1212->sharedBufferPtr->volumeData[i] = val;
1765                 change = 1;
1766         }
1767
1768         if (i >= 8) {
1769                 korg1212->volumePhase[i+1] = u->value.integer.value[1];
1770
1771                 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1772
1773                 if ((u->value.integer.value[1] > 0) != (val < 0)) {
1774                         val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1775                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1776                         change = 1;
1777                 }
1778         }
1779
1780         spin_unlock_irq(&korg1212->lock);
1781
1782         return change;
1783 }
1784
1785 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1786                                             struct snd_ctl_elem_info *uinfo)
1787 {
1788         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1789         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1790         uinfo->value.integer.min = k1212MinVolume;
1791         uinfo->value.integer.max = k1212MaxVolume;
1792         return 0;
1793 }
1794
1795 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1796                                            struct snd_ctl_elem_value *u)
1797 {
1798         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1799         int i;
1800
1801         spin_lock_irq(&korg1212->lock);
1802
1803         i = kcontrol->private_value;
1804         u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1805
1806         if (i >= 8) 
1807                 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1808
1809         spin_unlock_irq(&korg1212->lock);
1810
1811         return 0;
1812 }
1813
1814 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1815                                            struct snd_ctl_elem_value *u)
1816 {
1817         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1818         int change = 0;
1819         int i;
1820         int val;
1821
1822         spin_lock_irq(&korg1212->lock);
1823
1824         i = kcontrol->private_value;
1825
1826         if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
1827                 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1828                 val *= u->value.integer.value[0];
1829                 korg1212->sharedBufferPtr->volumeData[i] = val;
1830                 change = 1;
1831         }
1832
1833         if (i >= 8) {
1834                 if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1835                         val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1836                         val *= u->value.integer.value[1];
1837                         korg1212->sharedBufferPtr->volumeData[i+1] = val;
1838                         change = 1;
1839                 }
1840         }
1841
1842         spin_unlock_irq(&korg1212->lock);
1843
1844         return change;
1845 }
1846
1847 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1848                                            struct snd_ctl_elem_info *uinfo)
1849 {
1850         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1851         uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1852         uinfo->value.enumerated.items = kAudioChannels;
1853         if (uinfo->value.enumerated.item > kAudioChannels-1) {
1854                 uinfo->value.enumerated.item = kAudioChannels-1;
1855         }
1856         strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1857         return 0;
1858 }
1859
1860 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1861                                           struct snd_ctl_elem_value *u)
1862 {
1863         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1864         int i;
1865
1866         spin_lock_irq(&korg1212->lock);
1867
1868         i = kcontrol->private_value;
1869         u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1870
1871         if (i >= 8) 
1872                 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1873
1874         spin_unlock_irq(&korg1212->lock);
1875
1876         return 0;
1877 }
1878
1879 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1880                                           struct snd_ctl_elem_value *u)
1881 {
1882         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1883         int change = 0, i;
1884
1885         spin_lock_irq(&korg1212->lock);
1886
1887         i = kcontrol->private_value;
1888
1889         if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1890                 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1891                 change = 1;
1892         }
1893
1894         if (i >= 8) {
1895                 if (u->value.enumerated.item[1] != (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1896                         korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1897                         change = 1;
1898                 }
1899         }
1900
1901         spin_unlock_irq(&korg1212->lock);
1902
1903         return change;
1904 }
1905
1906 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1907                                      struct snd_ctl_elem_info *uinfo)
1908 {
1909         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1910         uinfo->count = 2;
1911         uinfo->value.integer.min = k1212MaxADCSens;
1912         uinfo->value.integer.max = k1212MinADCSens;
1913         return 0;
1914 }
1915
1916 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1917                                     struct snd_ctl_elem_value *u)
1918 {
1919         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1920
1921         spin_lock_irq(&korg1212->lock);
1922
1923         u->value.integer.value[0] = korg1212->leftADCInSens;
1924         u->value.integer.value[1] = korg1212->rightADCInSens;
1925
1926         spin_unlock_irq(&korg1212->lock);
1927
1928         return 0;
1929 }
1930
1931 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1932                                     struct snd_ctl_elem_value *u)
1933 {
1934         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1935         int change = 0;
1936
1937         spin_lock_irq(&korg1212->lock);
1938
1939         if (u->value.integer.value[0] != korg1212->leftADCInSens) {
1940                 korg1212->leftADCInSens = u->value.integer.value[0];
1941                 change = 1;
1942         }
1943         if (u->value.integer.value[1] != korg1212->rightADCInSens) {
1944                 korg1212->rightADCInSens = u->value.integer.value[1];
1945                 change = 1;
1946         }
1947
1948         spin_unlock_irq(&korg1212->lock);
1949
1950         if (change)
1951                 snd_korg1212_WriteADCSensitivity(korg1212);
1952
1953         return change;
1954 }
1955
1956 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1957                                           struct snd_ctl_elem_info *uinfo)
1958 {
1959         uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1960         uinfo->count = 1;
1961         uinfo->value.enumerated.items = 3;
1962         if (uinfo->value.enumerated.item > 2) {
1963                 uinfo->value.enumerated.item = 2;
1964         }
1965         strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1966         return 0;
1967 }
1968
1969 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1970                                          struct snd_ctl_elem_value *ucontrol)
1971 {
1972         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1973
1974         spin_lock_irq(&korg1212->lock);
1975
1976         ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1977
1978         spin_unlock_irq(&korg1212->lock);
1979         return 0;
1980 }
1981
1982 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1983                                          struct snd_ctl_elem_value *ucontrol)
1984 {
1985         struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1986         unsigned int val;
1987         int change;
1988
1989         val = ucontrol->value.enumerated.item[0] % 3;
1990         spin_lock_irq(&korg1212->lock);
1991         change = val != korg1212->clkSource;
1992         snd_korg1212_SetClockSource(korg1212, val);
1993         spin_unlock_irq(&korg1212->lock);
1994         return change;
1995 }
1996
1997 #define MON_MIXER(ord,c_name)                                                                   \
1998         {                                                                                       \
1999                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2000                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2001                 .name =         c_name " Monitor Volume",                                       \
2002                 .info =         snd_korg1212_control_volume_info,                               \
2003                 .get =          snd_korg1212_control_volume_get,                                \
2004                 .put =          snd_korg1212_control_volume_put,                                \
2005                 .private_value = ord,                                                           \
2006         },                                                                                      \
2007         {                                                                                       \
2008                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2009                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2010                 .name =         c_name " Monitor Route",                                        \
2011                 .info =         snd_korg1212_control_route_info,                                \
2012                 .get =          snd_korg1212_control_route_get,                                 \
2013                 .put =          snd_korg1212_control_route_put,                                 \
2014                 .private_value = ord,                                                           \
2015         },                                                                                      \
2016         {                                                                                       \
2017                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,       \
2018                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,                                     \
2019                 .name =         c_name " Monitor Phase Invert",                                 \
2020                 .info =         snd_korg1212_control_phase_info,                                \
2021                 .get =          snd_korg1212_control_phase_get,                                 \
2022                 .put =          snd_korg1212_control_phase_put,                                 \
2023                 .private_value = ord,                                                           \
2024         }
2025
2026 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2027         MON_MIXER(8, "Analog"),
2028         MON_MIXER(10, "SPDIF"), 
2029         MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2030         MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2031         {
2032                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2033                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2034                 .name =         "Sync Source",
2035                 .info =         snd_korg1212_control_sync_info,
2036                 .get =          snd_korg1212_control_sync_get,
2037                 .put =          snd_korg1212_control_sync_put,
2038         },
2039         {
2040                 .access =       SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2041                 .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2042                 .name =         "ADC Attenuation",
2043                 .info =         snd_korg1212_control_info,
2044                 .get =          snd_korg1212_control_get,
2045                 .put =          snd_korg1212_control_put,
2046         }
2047 };
2048
2049 /*
2050  * proc interface
2051  */
2052
2053 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2054                                    struct snd_info_buffer *buffer)
2055 {
2056         int n;
2057         struct snd_korg1212 *korg1212 = entry->private_data;
2058
2059         snd_iprintf(buffer, korg1212->card->longname);
2060         snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2061         snd_iprintf(buffer, "\nGeneral settings\n");
2062         snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2063         snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2064         snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2065         snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2066         snd_iprintf(buffer, "    Volume Info:\n");
2067         for (n=0; n<kAudioChannels; n++)
2068                 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2069                                     channelName[n],
2070                                     channelName[korg1212->sharedBufferPtr->routeData[n]],
2071                                     korg1212->sharedBufferPtr->volumeData[n]);
2072         snd_iprintf(buffer, "\nGeneral status\n");
2073         snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2074         snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2075         snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2076         snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2077         snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2078         snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2079 }
2080
2081 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2082 {
2083         struct snd_info_entry *entry;
2084
2085         if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2086                 snd_info_set_text_ops(entry, korg1212, 1024, snd_korg1212_proc_read);
2087 }
2088
2089 static int
2090 snd_korg1212_free(struct snd_korg1212 *korg1212)
2091 {
2092         snd_korg1212_TurnOffIdleMonitor(korg1212);
2093
2094         if (korg1212->irq >= 0) {
2095                 synchronize_irq(korg1212->irq);                
2096                 snd_korg1212_DisableCardInterrupts(korg1212);
2097                 free_irq(korg1212->irq, korg1212);
2098                 korg1212->irq = -1;
2099         }
2100         
2101         if (korg1212->iobase != NULL) {
2102                 iounmap(korg1212->iobase);
2103                 korg1212->iobase = NULL;
2104         }
2105         
2106         pci_release_regions(korg1212->pci);
2107
2108         // ----------------------------------------------------
2109         // free up memory resources used for the DSP download.
2110         // ----------------------------------------------------
2111         if (korg1212->dma_dsp.area) {
2112                 snd_dma_free_pages(&korg1212->dma_dsp);
2113                 korg1212->dma_dsp.area = NULL;
2114         }
2115
2116 #ifndef K1212_LARGEALLOC
2117
2118         // ------------------------------------------------------
2119         // free up memory resources used for the Play/Rec Buffers
2120         // ------------------------------------------------------
2121         if (korg1212->dma_play.area) {
2122                 snd_dma_free_pages(&korg1212->dma_play);
2123                 korg1212->dma_play.area = NULL;
2124         }
2125
2126         if (korg1212->dma_rec.area) {
2127                 snd_dma_free_pages(&korg1212->dma_rec);
2128                 korg1212->dma_rec.area = NULL;
2129         }
2130
2131 #endif
2132
2133         // ----------------------------------------------------
2134         // free up memory resources used for the Shared Buffers
2135         // ----------------------------------------------------
2136         if (korg1212->dma_shared.area) {
2137                 snd_dma_free_pages(&korg1212->dma_shared);
2138                 korg1212->dma_shared.area = NULL;
2139         }
2140         
2141         pci_disable_device(korg1212->pci);
2142         kfree(korg1212);
2143         return 0;
2144 }
2145
2146 static int snd_korg1212_dev_free(struct snd_device *device)
2147 {
2148         struct snd_korg1212 *korg1212 = device->device_data;
2149         K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2150         return snd_korg1212_free(korg1212);
2151 }
2152
2153 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2154                                          struct snd_korg1212 ** rchip)
2155
2156 {
2157         int err, rc;
2158         unsigned int i;
2159         unsigned ioport_size, iomem_size, iomem2_size;
2160         struct snd_korg1212 * korg1212;
2161
2162         static struct snd_device_ops ops = {
2163                 .dev_free = snd_korg1212_dev_free,
2164         };
2165
2166         * rchip = NULL;
2167         if ((err = pci_enable_device(pci)) < 0)
2168                 return err;
2169
2170         korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2171         if (korg1212 == NULL) {
2172                 pci_disable_device(pci);
2173                 return -ENOMEM;
2174         }
2175
2176         korg1212->card = card;
2177         korg1212->pci = pci;
2178
2179         init_waitqueue_head(&korg1212->wait);
2180         spin_lock_init(&korg1212->lock);
2181         init_MUTEX(&korg1212->open_mutex);
2182         init_timer(&korg1212->timer);
2183         korg1212->timer.function = snd_korg1212_timer_func;
2184         korg1212->timer.data = (unsigned long)korg1212;
2185
2186         korg1212->irq = -1;
2187         korg1212->clkSource = K1212_CLKIDX_Local;
2188         korg1212->clkRate = 44100;
2189         korg1212->inIRQ = 0;
2190         korg1212->running = 0;
2191         korg1212->opencnt = 0;
2192         korg1212->playcnt = 0;
2193         korg1212->setcnt = 0;
2194         korg1212->totalerrorcnt = 0;
2195         korg1212->playback_pid = -1;
2196         korg1212->capture_pid = -1;
2197         snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2198         korg1212->idleMonitorOn = 0;
2199         korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2200         korg1212->leftADCInSens = k1212MaxADCSens;
2201         korg1212->rightADCInSens = k1212MaxADCSens;
2202
2203         for (i=0; i<kAudioChannels; i++)
2204                 korg1212->volumePhase[i] = 0;
2205
2206         if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2207                 kfree(korg1212);
2208                 pci_disable_device(pci);
2209                 return err;
2210         }
2211
2212         korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2213         korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2214         korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2215
2216         iomem_size = pci_resource_len(korg1212->pci, 0);
2217         ioport_size = pci_resource_len(korg1212->pci, 1);
2218         iomem2_size = pci_resource_len(korg1212->pci, 2);
2219
2220         K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2221                    "    iomem = 0x%lx (%d)\n"
2222                    "    ioport  = 0x%lx (%d)\n"
2223                    "    iomem = 0x%lx (%d)\n"
2224                    "    [%s]\n",
2225                    korg1212->iomem, iomem_size,
2226                    korg1212->ioport, ioport_size,
2227                    korg1212->iomem2, iomem2_size,
2228                    stateName[korg1212->cardState]);
2229
2230         if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2231                 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2232                            korg1212->iomem + iomem_size - 1);
2233                 snd_korg1212_free(korg1212);
2234                 return -EBUSY;
2235         }
2236
2237         err = request_irq(pci->irq, snd_korg1212_interrupt,
2238                           SA_INTERRUPT|SA_SHIRQ,
2239                           "korg1212", korg1212);
2240
2241         if (err) {
2242                 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2243                 snd_korg1212_free(korg1212);
2244                 return -EBUSY;
2245         }
2246
2247         korg1212->irq = pci->irq;
2248
2249         pci_set_master(korg1212->pci);
2250
2251         korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2252         korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2253         korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2254         korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2255         korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2256         korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2257         korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2258         korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2259         korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2260         korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2261
2262         K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2263                    "    Status register = 0x%p\n"
2264                    "    OutDoorbell     = 0x%p\n"
2265                    "    InDoorbell      = 0x%p\n"
2266                    "    Mailbox0        = 0x%p\n"
2267                    "    Mailbox1        = 0x%p\n"
2268                    "    Mailbox2        = 0x%p\n"
2269                    "    Mailbox3        = 0x%p\n"
2270                    "    ControlReg      = 0x%p\n"
2271                    "    SensReg         = 0x%p\n"
2272                    "    IDReg           = 0x%p\n"
2273                    "    [%s]\n",
2274                    korg1212->statusRegPtr,
2275                    korg1212->outDoorbellPtr,
2276                    korg1212->inDoorbellPtr,
2277                    korg1212->mailbox0Ptr,
2278                    korg1212->mailbox1Ptr,
2279                    korg1212->mailbox2Ptr,
2280                    korg1212->mailbox3Ptr,
2281                    korg1212->controlRegPtr,
2282                    korg1212->sensRegPtr,
2283                    korg1212->idRegPtr,
2284                    stateName[korg1212->cardState]);
2285
2286         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2287                                 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2288                 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2289                 snd_korg1212_free(korg1212);
2290                 return -ENOMEM;
2291         }
2292         korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2293         korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2294
2295         K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2296
2297 #ifndef K1212_LARGEALLOC
2298
2299         korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2300
2301         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2302                                 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2303                 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2304                 snd_korg1212_free(korg1212);
2305                 return -ENOMEM;
2306         }
2307         korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2308         korg1212->PlayDataPhy = korg1212->dma_play.addr;
2309
2310         K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2311                 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2312
2313         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2314                                 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2315                 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2316                 snd_korg1212_free(korg1212);
2317                 return -ENOMEM;
2318         }
2319         korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2320         korg1212->RecDataPhy = korg1212->dma_rec.addr;
2321
2322         K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2323                 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2324
2325 #else // K1212_LARGEALLOC
2326
2327         korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2328         korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2329         korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2330         korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2331
2332 #endif // K1212_LARGEALLOC
2333
2334         korg1212->dspCodeSize = sizeof (dspCode);
2335
2336         korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2337                 offsetof(struct KorgSharedBuffer, volumeData);
2338         korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2339                 offsetof(struct KorgSharedBuffer, routeData);
2340         korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2341                 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2342
2343         if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2344                                 korg1212->dspCodeSize, &korg1212->dma_dsp) < 0) {
2345                 snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
2346                 snd_korg1212_free(korg1212);
2347                 return -ENOMEM;
2348         }
2349
2350         K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2351                    korg1212->dma_dsp.area, korg1212->dma_dsp.addr, korg1212->dspCodeSize,
2352                    stateName[korg1212->cardState]);
2353
2354         rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2355
2356         if (rc)
2357                 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2358
2359         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2360                 snd_korg1212_free(korg1212);
2361                 return err;
2362         }
2363         
2364         snd_korg1212_EnableCardInterrupts(korg1212);
2365
2366         mdelay(CARD_BOOT_DELAY_IN_MS);
2367
2368         if (snd_korg1212_downloadDSPCode(korg1212))
2369                 return -EBUSY;
2370
2371         K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2372                "PlayDataPhy = %08x L[%08x]\n"
2373                "korg1212: RecDataPhy = %08x L[%08x], "
2374                "VolumeTablePhy = %08x L[%08x]\n"
2375                "korg1212: RoutingTablePhy = %08x L[%08x], "
2376                "AdatTimeCodePhy = %08x L[%08x]\n",
2377                (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2378                korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2379                korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2380                korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2381                korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2382                korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2383
2384         if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2385                 return err;
2386
2387         korg1212->pcm->private_data = korg1212;
2388         korg1212->pcm->private_free = snd_korg1212_free_pcm;
2389         strcpy(korg1212->pcm->name, "korg1212");
2390
2391         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2392         
2393         snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2394
2395         korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2396
2397         for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2398                 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2399                 if (err < 0)
2400                         return err;
2401         }
2402
2403         snd_korg1212_proc_init(korg1212);
2404         
2405         snd_card_set_dev(card, &pci->dev);
2406
2407         * rchip = korg1212;
2408         return 0;
2409
2410 }
2411
2412 /*
2413  * Card initialisation
2414  */
2415
2416 static int __devinit
2417 snd_korg1212_probe(struct pci_dev *pci,
2418                 const struct pci_device_id *pci_id)
2419 {
2420         static int dev;
2421         struct snd_korg1212 *korg1212;
2422         struct snd_card *card;
2423         int err;
2424
2425         if (dev >= SNDRV_CARDS) {
2426                 return -ENODEV;
2427         }
2428         if (!enable[dev]) {
2429                 dev++;
2430                 return -ENOENT;
2431         }
2432         card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2433         if (card == NULL)
2434                 return -ENOMEM;
2435
2436         if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2437                 snd_card_free(card);
2438                 return err;
2439         }
2440
2441         strcpy(card->driver, "korg1212");
2442         strcpy(card->shortname, "korg1212");
2443         sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2444                 korg1212->iomem, korg1212->irq);
2445
2446         K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2447
2448         if ((err = snd_card_register(card)) < 0) {
2449                 snd_card_free(card);
2450                 return err;
2451         }
2452         pci_set_drvdata(pci, card);
2453         dev++;
2454         return 0;
2455 }
2456
2457 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2458 {
2459         snd_card_free(pci_get_drvdata(pci));
2460         pci_set_drvdata(pci, NULL);
2461 }
2462
2463 static struct pci_driver driver = {
2464         .name = "korg1212",
2465         .id_table = snd_korg1212_ids,
2466         .probe = snd_korg1212_probe,
2467         .remove = __devexit_p(snd_korg1212_remove),
2468 };
2469
2470 static int __init alsa_card_korg1212_init(void)
2471 {
2472         return pci_register_driver(&driver);
2473 }
2474
2475 static void __exit alsa_card_korg1212_exit(void)
2476 {
2477         pci_unregister_driver(&driver);
2478 }
2479
2480 module_init(alsa_card_korg1212_init)
2481 module_exit(alsa_card_korg1212_exit)