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