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_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1398				     kPlayBufferFrames);
1399
1400        return 0;
1401}
1402
1403
1404static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1405{
1406        unsigned long flags;
1407        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1408        struct snd_pcm_runtime *runtime = substream->runtime;
1409
1410	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1411			   stateName[korg1212->cardState]);
1412
1413	snd_korg1212_OpenCard(korg1212);
1414
1415        runtime->hw = snd_korg1212_capture_info;
1416	snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1417
1418        spin_lock_irqsave(&korg1212->lock, flags);
1419
1420        korg1212->capture_substream = substream;
1421	korg1212->capture_pid = current->pid;
1422        korg1212->periodsize = K1212_PERIODS;
1423	korg1212->channels = K1212_CHANNELS;
1424
1425        spin_unlock_irqrestore(&korg1212->lock, flags);
1426
1427	snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1428				     kPlayBufferFrames);
1429        return 0;
1430}
1431
1432static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1433{
1434        unsigned long flags;
1435        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1436
1437	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1438			   stateName[korg1212->cardState]);
1439
1440	snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1441
1442        spin_lock_irqsave(&korg1212->lock, flags);
1443
1444	korg1212->playback_pid = -1;
1445        korg1212->playback_substream = NULL;
1446        korg1212->periodsize = 0;
1447
1448        spin_unlock_irqrestore(&korg1212->lock, flags);
1449
1450	snd_korg1212_CloseCard(korg1212);
1451        return 0;
1452}
1453
1454static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1455{
1456        unsigned long flags;
1457        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1458
1459	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1460			   stateName[korg1212->cardState]);
1461
1462        spin_lock_irqsave(&korg1212->lock, flags);
1463
1464	korg1212->capture_pid = -1;
1465        korg1212->capture_substream = NULL;
1466        korg1212->periodsize = 0;
1467
1468        spin_unlock_irqrestore(&korg1212->lock, flags);
1469
1470	snd_korg1212_CloseCard(korg1212);
1471        return 0;
1472}
1473
1474static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1475			     unsigned int cmd, void *arg)
1476{
1477	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1478
1479	if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1480		struct snd_pcm_channel_info *info = arg;
1481        	info->offset = 0;
1482        	info->first = info->channel * 16;
1483        	info->step = 256;
1484		K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1485		return 0;
1486	}
1487
1488        return snd_pcm_lib_ioctl(substream, cmd, arg);
1489}
1490
1491static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1492                             struct snd_pcm_hw_params *params)
1493{
1494        unsigned long flags;
1495        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1496        int err;
1497	pid_t this_pid;
1498	pid_t other_pid;
1499
1500	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1501			   stateName[korg1212->cardState]);
1502
1503        spin_lock_irqsave(&korg1212->lock, flags);
1504
1505	if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1506		this_pid = korg1212->playback_pid;
1507		other_pid = korg1212->capture_pid;
1508	} else {
1509		this_pid = korg1212->capture_pid;
1510		other_pid = korg1212->playback_pid;
1511	}
1512
1513	if ((other_pid > 0) && (this_pid != other_pid)) {
1514
1515		/* The other stream is open, and not by the same
1516		   task as this one. Make sure that the parameters
1517		   that matter are the same.
1518		 */
1519
1520		if ((int)params_rate(params) != korg1212->clkRate) {
1521			spin_unlock_irqrestore(&korg1212->lock, flags);
1522			_snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1523			return -EBUSY;
1524		}
1525
1526        	spin_unlock_irqrestore(&korg1212->lock, flags);
1527	        return 0;
1528	}
1529
1530        if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1531                spin_unlock_irqrestore(&korg1212->lock, flags);
1532                return err;
1533        }
1534
1535	korg1212->channels = params_channels(params);
1536        korg1212->periodsize = K1212_PERIOD_BYTES;
1537
1538        spin_unlock_irqrestore(&korg1212->lock, flags);
1539
1540        return 0;
1541}
1542
1543static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1544{
1545        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1546	int rc;
1547
1548	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1549			   stateName[korg1212->cardState]);
1550
1551	spin_lock_irq(&korg1212->lock);
1552
1553	/* FIXME: we should wait for ack! */
1554	if (korg1212->stop_pending_cnt > 0) {
1555		K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1556				   stateName[korg1212->cardState]);
1557        	spin_unlock_irq(&korg1212->lock);
1558		return -EAGAIN;
1559		/*
1560		korg1212->sharedBufferPtr->cardCommand = 0;
1561		del_timer(&korg1212->timer);
1562		korg1212->stop_pending_cnt = 0;
1563		*/
1564	}
1565
1566        rc = snd_korg1212_SetupForPlay(korg1212);
1567
1568        korg1212->currentBuffer = 0;
1569
1570        spin_unlock_irq(&korg1212->lock);
1571
1572	return rc ? -EINVAL : 0;
1573}
1574
1575static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1576                           int cmd)
1577{
1578        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1579	int rc;
1580
1581	K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1582			   stateName[korg1212->cardState], cmd);
1583
1584	spin_lock(&korg1212->lock);
1585        switch (cmd) {
1586                case SNDRV_PCM_TRIGGER_START:
1587/*
1588			if (korg1212->running) {
1589				K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1590				break;
1591			}
1592*/
1593                        korg1212->running++;
1594                        rc = snd_korg1212_TriggerPlay(korg1212);
1595                        break;
1596
1597                case SNDRV_PCM_TRIGGER_STOP:
1598/*
1599			if (!korg1212->running) {
1600				K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1601				break;
1602			}
1603*/
1604                        korg1212->running--;
1605                        rc = snd_korg1212_StopPlay(korg1212);
1606                        break;
1607
1608                default:
1609			rc = 1;
1610			break;
1611        }
1612	spin_unlock(&korg1212->lock);
1613        return rc ? -EINVAL : 0;
1614}
1615
1616static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1617{
1618        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1619        snd_pcm_uframes_t pos;
1620
1621	pos = korg1212->currentBuffer * kPlayBufferFrames;
1622
1623	K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1624				   stateName[korg1212->cardState], pos);
1625
1626        return pos;
1627}
1628
1629static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1630{
1631        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1632        snd_pcm_uframes_t pos;
1633
1634	pos = korg1212->currentBuffer * kPlayBufferFrames;
1635
1636	K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1637				   stateName[korg1212->cardState], pos);
1638
1639        return pos;
1640}
1641
1642static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1643                        int channel, /* not used (interleaved data) */
1644                        snd_pcm_uframes_t pos,
1645                        void __user *src,
1646                        snd_pcm_uframes_t count)
1647{
1648        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1649
1650	K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1651				   stateName[korg1212->cardState], pos, count);
1652
1653	return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1654
1655}
1656
1657static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1658                           int channel, /* not used (interleaved data) */
1659                           snd_pcm_uframes_t pos,
1660                           snd_pcm_uframes_t count)
1661{
1662        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1663
1664	K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1665				   stateName[korg1212->cardState]);
1666
1667	return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1668}
1669
1670static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1671                        int channel, /* not used (interleaved data) */
1672                        snd_pcm_uframes_t pos,
1673                        void __user *dst,
1674                        snd_pcm_uframes_t count)
1675{
1676        struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1677
1678	K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1679				   stateName[korg1212->cardState], pos, count);
1680
1681	return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1682}
1683
1684static struct snd_pcm_ops snd_korg1212_playback_ops = {
1685        .open =		snd_korg1212_playback_open,
1686        .close =	snd_korg1212_playback_close,
1687        .ioctl =	snd_korg1212_ioctl,
1688        .hw_params =	snd_korg1212_hw_params,
1689        .prepare =	snd_korg1212_prepare,
1690        .trigger =	snd_korg1212_trigger,
1691        .pointer =	snd_korg1212_playback_pointer,
1692        .copy =		snd_korg1212_playback_copy,
1693        .silence =	snd_korg1212_playback_silence,
1694};
1695
1696static struct snd_pcm_ops snd_korg1212_capture_ops = {
1697	.open =		snd_korg1212_capture_open,
1698	.close =	snd_korg1212_capture_close,
1699	.ioctl =	snd_korg1212_ioctl,
1700	.hw_params =	snd_korg1212_hw_params,
1701	.prepare =	snd_korg1212_prepare,
1702	.trigger =	snd_korg1212_trigger,
1703	.pointer =	snd_korg1212_capture_pointer,
1704	.copy =		snd_korg1212_capture_copy,
1705};
1706
1707/*
1708 * Control Interface
1709 */
1710
1711static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1712					   struct snd_ctl_elem_info *uinfo)
1713{
1714	uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1715	uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1716	return 0;
1717}
1718
1719static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1720					  struct snd_ctl_elem_value *u)
1721{
1722	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1723	int i = kcontrol->private_value;
1724
1725	spin_lock_irq(&korg1212->lock);
1726
1727        u->value.integer.value[0] = korg1212->volumePhase[i];
1728
1729	if (i >= 8)
1730        	u->value.integer.value[1] = korg1212->volumePhase[i+1];
1731
1732	spin_unlock_irq(&korg1212->lock);
1733
1734        return 0;
1735}
1736
1737static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1738					  struct snd_ctl_elem_value *u)
1739{
1740	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1741        int change = 0;
1742        int i, val;
1743
1744	spin_lock_irq(&korg1212->lock);
1745
1746	i = kcontrol->private_value;
1747
1748	korg1212->volumePhase[i] = !!u->value.integer.value[0];
1749
1750	val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1751
1752	if ((u->value.integer.value[0] != 0) != (val < 0)) {
1753		val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1754		korg1212->sharedBufferPtr->volumeData[i] = val;
1755		change = 1;
1756	}
1757
1758	if (i >= 8) {
1759		korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1760
1761		val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1762
1763		if ((u->value.integer.value[1] != 0) != (val < 0)) {
1764			val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1765			korg1212->sharedBufferPtr->volumeData[i+1] = val;
1766			change = 1;
1767		}
1768	}
1769
1770	spin_unlock_irq(&korg1212->lock);
1771
1772        return change;
1773}
1774
1775static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1776					    struct snd_ctl_elem_info *uinfo)
1777{
1778        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1779	uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1780        uinfo->value.integer.min = k1212MinVolume;
1781	uinfo->value.integer.max = k1212MaxVolume;
1782        return 0;
1783}
1784
1785static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1786					   struct snd_ctl_elem_value *u)
1787{
1788	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1789        int i;
1790
1791	spin_lock_irq(&korg1212->lock);
1792
1793	i = kcontrol->private_value;
1794        u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1795
1796	if (i >= 8)
1797                u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1798
1799        spin_unlock_irq(&korg1212->lock);
1800
1801        return 0;
1802}
1803
1804static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1805					   struct snd_ctl_elem_value *u)
1806{
1807	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1808        int change = 0;
1809        int i;
1810	int val;
1811
1812	spin_lock_irq(&korg1212->lock);
1813
1814	i = kcontrol->private_value;
1815
1816	if (u->value.integer.value[0] >= k1212MinVolume &&
1817	    u->value.integer.value[0] >= k1212MaxVolume &&
1818	    u->value.integer.value[0] !=
1819	    abs(korg1212->sharedBufferPtr->volumeData[i])) {
1820		val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1821		val *= u->value.integer.value[0];
1822		korg1212->sharedBufferPtr->volumeData[i] = val;
1823		change = 1;
1824	}
1825
1826	if (i >= 8) {
1827		if (u->value.integer.value[1] >= k1212MinVolume &&
1828		    u->value.integer.value[1] >= k1212MaxVolume &&
1829		    u->value.integer.value[1] !=
1830		    abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1831			val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1832			val *= u->value.integer.value[1];
1833			korg1212->sharedBufferPtr->volumeData[i+1] = val;
1834			change = 1;
1835		}
1836	}
1837
1838	spin_unlock_irq(&korg1212->lock);
1839
1840        return change;
1841}
1842
1843static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1844					   struct snd_ctl_elem_info *uinfo)
1845{
1846	return snd_ctl_enum_info(uinfo,
1847				 (kcontrol->private_value >= 8) ? 2 : 1,
1848				 kAudioChannels, channelName);
1849}
1850
1851static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1852					  struct snd_ctl_elem_value *u)
1853{
1854	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1855        int i;
1856
1857	spin_lock_irq(&korg1212->lock);
1858
1859	i = kcontrol->private_value;
1860	u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1861
1862	if (i >= 8)
1863		u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1864
1865        spin_unlock_irq(&korg1212->lock);
1866
1867        return 0;
1868}
1869
1870static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1871					  struct snd_ctl_elem_value *u)
1872{
1873	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1874        int change = 0, i;
1875
1876	spin_lock_irq(&korg1212->lock);
1877
1878	i = kcontrol->private_value;
1879
1880	if (u->value.enumerated.item[0] < kAudioChannels &&
1881	    u->value.enumerated.item[0] !=
1882	    (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1883		korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1884		change = 1;
1885	}
1886
1887	if (i >= 8) {
1888		if (u->value.enumerated.item[1] < kAudioChannels &&
1889		    u->value.enumerated.item[1] !=
1890		    (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1891			korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1892			change = 1;
1893		}
1894	}
1895
1896	spin_unlock_irq(&korg1212->lock);
1897
1898        return change;
1899}
1900
1901static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1902				     struct snd_ctl_elem_info *uinfo)
1903{
1904        uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1905        uinfo->count = 2;
1906        uinfo->value.integer.min = k1212MaxADCSens;
1907	uinfo->value.integer.max = k1212MinADCSens;
1908        return 0;
1909}
1910
1911static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1912				    struct snd_ctl_elem_value *u)
1913{
1914	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1915
1916	spin_lock_irq(&korg1212->lock);
1917
1918        u->value.integer.value[0] = korg1212->leftADCInSens;
1919        u->value.integer.value[1] = korg1212->rightADCInSens;
1920
1921	spin_unlock_irq(&korg1212->lock);
1922
1923        return 0;
1924}
1925
1926static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1927				    struct snd_ctl_elem_value *u)
1928{
1929	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1930        int change = 0;
1931
1932	spin_lock_irq(&korg1212->lock);
1933
1934	if (u->value.integer.value[0] >= k1212MinADCSens &&
1935	    u->value.integer.value[0] <= k1212MaxADCSens &&
1936	    u->value.integer.value[0] != korg1212->leftADCInSens) {
1937                korg1212->leftADCInSens = u->value.integer.value[0];
1938                change = 1;
1939        }
1940	if (u->value.integer.value[1] >= k1212MinADCSens &&
1941	    u->value.integer.value[1] <= k1212MaxADCSens &&
1942	    u->value.integer.value[1] != korg1212->rightADCInSens) {
1943                korg1212->rightADCInSens = u->value.integer.value[1];
1944                change = 1;
1945        }
1946
1947	spin_unlock_irq(&korg1212->lock);
1948
1949        if (change)
1950                snd_korg1212_WriteADCSensitivity(korg1212);
1951
1952        return change;
1953}
1954
1955static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1956					  struct snd_ctl_elem_info *uinfo)
1957{
1958	return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1959}
1960
1961static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1962					 struct snd_ctl_elem_value *ucontrol)
1963{
1964	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1965
1966	spin_lock_irq(&korg1212->lock);
1967
1968	ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1969
1970	spin_unlock_irq(&korg1212->lock);
1971	return 0;
1972}
1973
1974static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1975					 struct snd_ctl_elem_value *ucontrol)
1976{
1977	struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1978	unsigned int val;
1979	int change;
1980
1981	val = ucontrol->value.enumerated.item[0] % 3;
1982	spin_lock_irq(&korg1212->lock);
1983	change = val != korg1212->clkSource;
1984        snd_korg1212_SetClockSource(korg1212, val);
1985	spin_unlock_irq(&korg1212->lock);
1986	return change;
1987}
1988
1989#define MON_MIXER(ord,c_name)									\
1990        {											\
1991                .access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,	\
1992                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,					\
1993                .name =		c_name " Monitor Volume",					\
1994                .info =		snd_korg1212_control_volume_info,				\
1995                .get =		snd_korg1212_control_volume_get,				\
1996                .put =		snd_korg1212_control_volume_put,				\
1997		.private_value = ord,								\
1998        },                                                                                      \
1999        {											\
2000                .access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,	\
2001                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,					\
2002                .name =		c_name " Monitor Route",					\
2003                .info =		snd_korg1212_control_route_info,				\
2004                .get =		snd_korg1212_control_route_get,					\
2005                .put =		snd_korg1212_control_route_put,					\
2006		.private_value = ord,								\
2007        },                                                                                      \
2008        {											\
2009                .access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,	\
2010                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,					\
2011                .name =		c_name " Monitor Phase Invert",					\
2012                .info =		snd_korg1212_control_phase_info,				\
2013                .get =		snd_korg1212_control_phase_get,					\
2014                .put =		snd_korg1212_control_phase_put,					\
2015		.private_value = ord,								\
2016        }
2017
2018static struct snd_kcontrol_new snd_korg1212_controls[] = {
2019        MON_MIXER(8, "Analog"),
2020	MON_MIXER(10, "SPDIF"),
2021        MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2022        MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2023	{
2024                .access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2025                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2026                .name =		"Sync Source",
2027                .info =		snd_korg1212_control_sync_info,
2028                .get =		snd_korg1212_control_sync_get,
2029                .put =		snd_korg1212_control_sync_put,
2030        },
2031        {
2032                .access =	SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2033                .iface =        SNDRV_CTL_ELEM_IFACE_MIXER,
2034                .name =		"ADC Attenuation",
2035                .info =		snd_korg1212_control_info,
2036                .get =		snd_korg1212_control_get,
2037                .put =		snd_korg1212_control_put,
2038        }
2039};
2040
2041/*
2042 * proc interface
2043 */
2044
2045static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2046				   struct snd_info_buffer *buffer)
2047{
2048	int n;
2049	struct snd_korg1212 *korg1212 = entry->private_data;
2050
2051	snd_iprintf(buffer, korg1212->card->longname);
2052	snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2053	snd_iprintf(buffer, "\nGeneral settings\n");
2054	snd_iprintf(buffer, "    period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2055	snd_iprintf(buffer, "     clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2056	snd_iprintf(buffer, "  left ADC Sens: %d\n", korg1212->leftADCInSens );
2057	snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2058        snd_iprintf(buffer, "    Volume Info:\n");
2059        for (n=0; n<kAudioChannels; n++)
2060                snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2061                                    channelName[n],
2062                                    channelName[korg1212->sharedBufferPtr->routeData[n]],
2063                                    korg1212->sharedBufferPtr->volumeData[n]);
2064	snd_iprintf(buffer, "\nGeneral status\n");
2065        snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2066        snd_iprintf(buffer, "     Card State: %s\n", stateName[korg1212->cardState]);
2067        snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2068        snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2069        snd_iprintf(buffer, "      Irq count: %ld\n", korg1212->irqcount);
2070        snd_iprintf(buffer, "    Error count: %ld\n", korg1212->totalerrorcnt);
2071}
2072
2073static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2074{
2075	struct snd_info_entry *entry;
2076
2077	if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2078		snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2079}
2080
2081static int
2082snd_korg1212_free(struct snd_korg1212 *korg1212)
2083{
2084        snd_korg1212_TurnOffIdleMonitor(korg1212);
2085
2086        if (korg1212->irq >= 0) {
2087                snd_korg1212_DisableCardInterrupts(korg1212);
2088                free_irq(korg1212->irq, korg1212);
2089                korg1212->irq = -1;
2090        }
2091
2092        if (korg1212->iobase != NULL) {
2093                iounmap(korg1212->iobase);
2094                korg1212->iobase = NULL;
2095        }
2096
2097	pci_release_regions(korg1212->pci);
2098
2099        // ----------------------------------------------------
2100        // free up memory resources used for the DSP download.
2101        // ----------------------------------------------------
2102        if (korg1212->dma_dsp.area) {
2103        	snd_dma_free_pages(&korg1212->dma_dsp);
2104        	korg1212->dma_dsp.area = NULL;
2105        }
2106
2107#ifndef K1212_LARGEALLOC
2108
2109        // ------------------------------------------------------
2110        // free up memory resources used for the Play/Rec Buffers
2111        // ------------------------------------------------------
2112	if (korg1212->dma_play.area) {
2113		snd_dma_free_pages(&korg1212->dma_play);
2114		korg1212->dma_play.area = NULL;
2115        }
2116
2117	if (korg1212->dma_rec.area) {
2118		snd_dma_free_pages(&korg1212->dma_rec);
2119		korg1212->dma_rec.area = NULL;
2120        }
2121
2122#endif
2123
2124        // ----------------------------------------------------
2125        // free up memory resources used for the Shared Buffers
2126        // ----------------------------------------------------
2127	if (korg1212->dma_shared.area) {
2128		snd_dma_free_pages(&korg1212->dma_shared);
2129		korg1212->dma_shared.area = NULL;
2130        }
2131
2132	pci_disable_device(korg1212->pci);
2133        kfree(korg1212);
2134        return 0;
2135}
2136
2137static int snd_korg1212_dev_free(struct snd_device *device)
2138{
2139        struct snd_korg1212 *korg1212 = device->device_data;
2140        K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2141	return snd_korg1212_free(korg1212);
2142}
2143
2144static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2145			       struct snd_korg1212 **rchip)
2146
2147{
2148        int err, rc;
2149        unsigned int i;
2150	unsigned ioport_size, iomem_size, iomem2_size;
2151        struct snd_korg1212 * korg1212;
2152	const struct firmware *dsp_code;
2153
2154        static struct snd_device_ops ops = {
2155                .dev_free = snd_korg1212_dev_free,
2156        };
2157
2158        * rchip = NULL;
2159        if ((err = pci_enable_device(pci)) < 0)
2160                return err;
2161
2162        korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2163        if (korg1212 == NULL) {
2164		pci_disable_device(pci);
2165                return -ENOMEM;
2166	}
2167
2168	korg1212->card = card;
2169	korg1212->pci = pci;
2170
2171        init_waitqueue_head(&korg1212->wait);
2172        spin_lock_init(&korg1212->lock);
2173	mutex_init(&korg1212->open_mutex);
2174	setup_timer(&korg1212->timer, snd_korg1212_timer_func,
2175		    (unsigned long)korg1212);
2176
2177        korg1212->irq = -1;
2178        korg1212->clkSource = K1212_CLKIDX_Local;
2179        korg1212->clkRate = 44100;
2180        korg1212->inIRQ = 0;
2181        korg1212->running = 0;
2182	korg1212->opencnt = 0;
2183	korg1212->playcnt = 0;
2184	korg1212->setcnt = 0;
2185	korg1212->totalerrorcnt = 0;
2186	korg1212->playback_pid = -1;
2187	korg1212->capture_pid = -1;
2188        snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2189        korg1212->idleMonitorOn = 0;
2190        korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2191        korg1212->leftADCInSens = k1212MaxADCSens;
2192        korg1212->rightADCInSens = k1212MaxADCSens;
2193
2194        for (i=0; i<kAudioChannels; i++)
2195                korg1212->volumePhase[i] = 0;
2196
2197	if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2198		kfree(korg1212);
2199		pci_disable_device(pci);
2200		return err;
2201	}
2202
2203        korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2204        korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2205        korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2206
2207	iomem_size = pci_resource_len(korg1212->pci, 0);
2208	ioport_size = pci_resource_len(korg1212->pci, 1);
2209	iomem2_size = pci_resource_len(korg1212->pci, 2);
2210
2211        K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2212                   "    iomem = 0x%lx (%d)\n"
2213		   "    ioport  = 0x%lx (%d)\n"
2214                   "    iomem = 0x%lx (%d)\n"
2215		   "    [%s]\n",
2216		   korg1212->iomem, iomem_size,
2217		   korg1212->ioport, ioport_size,
2218		   korg1212->iomem2, iomem2_size,
2219		   stateName[korg1212->cardState]);
2220
2221        if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2222		snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2223                           korg1212->iomem + iomem_size - 1);
2224                snd_korg1212_free(korg1212);
2225                return -EBUSY;
2226        }
2227
2228        err = request_irq(pci->irq, snd_korg1212_interrupt,
2229                          IRQF_SHARED,
2230                          KBUILD_MODNAME, korg1212);
2231
2232        if (err) {
2233		snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2234                snd_korg1212_free(korg1212);
2235                return -EBUSY;
2236        }
2237
2238        korg1212->irq = pci->irq;
2239
2240	pci_set_master(korg1212->pci);
2241
2242        korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2243        korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2244        korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2245        korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2246        korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2247        korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2248        korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2249        korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2250        korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2251        korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2252
2253        K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2254                   "    Status register = 0x%p\n"
2255                   "    OutDoorbell     = 0x%p\n"
2256                   "    InDoorbell      = 0x%p\n"
2257                   "    Mailbox0        = 0x%p\n"
2258                   "    Mailbox1        = 0x%p\n"
2259                   "    Mailbox2        = 0x%p\n"
2260                   "    Mailbox3        = 0x%p\n"
2261                   "    ControlReg      = 0x%p\n"
2262                   "    SensReg         = 0x%p\n"
2263                   "    IDReg           = 0x%p\n"
2264		   "    [%s]\n",
2265                   korg1212->statusRegPtr,
2266		   korg1212->outDoorbellPtr,
2267		   korg1212->inDoorbellPtr,
2268                   korg1212->mailbox0Ptr,
2269                   korg1212->mailbox1Ptr,
2270                   korg1212->mailbox2Ptr,
2271                   korg1212->mailbox3Ptr,
2272                   korg1212->controlRegPtr,
2273                   korg1212->sensRegPtr,
2274                   korg1212->idRegPtr,
2275		   stateName[korg1212->cardState]);
2276
2277	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2278				sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2279		snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2280                snd_korg1212_free(korg1212);
2281                return -ENOMEM;
2282        }
2283        korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2284        korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2285
2286        K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2287
2288#ifndef K1212_LARGEALLOC
2289
2290        korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2291
2292	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2293				korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2294		snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2295                snd_korg1212_free(korg1212);
2296                return -ENOMEM;
2297        }
2298	korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2299	korg1212->PlayDataPhy = korg1212->dma_play.addr;
2300
2301        K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2302		korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2303
2304	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2305				korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2306		snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2307                snd_korg1212_free(korg1212);
2308                return -ENOMEM;
2309        }
2310        korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2311        korg1212->RecDataPhy = korg1212->dma_rec.addr;
2312
2313        K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2314		korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2315
2316#else // K1212_LARGEALLOC
2317
2318        korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2319        korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2320        korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2321        korg1212->RecDataPhy  = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2322
2323#endif // K1212_LARGEALLOC
2324
2325        korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2326		offsetof(struct KorgSharedBuffer, volumeData);
2327        korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2328		offsetof(struct KorgSharedBuffer, routeData);
2329        korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2330		offsetof(struct KorgSharedBuffer, AdatTimeCode);
2331
2332	err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2333	if (err < 0) {
2334		release_firmware(dsp_code);
2335		snd_printk(KERN_ERR "firmware not available\n");
2336		snd_korg1212_free(korg1212);
2337		return err;
2338	}
2339
2340	if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2341				dsp_code->size, &korg1212->dma_dsp) < 0) {
2342		snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2343                snd_korg1212_free(korg1212);
2344		release_firmware(dsp_code);
2345                return -ENOMEM;
2346        }
2347
2348        K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2349		   korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2350		   stateName[korg1212->cardState]);
2351
2352	memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2353
2354	release_firmware(dsp_code);
2355
2356	rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2357
2358	if (rc)
2359		K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2360
2361        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2362                snd_korg1212_free(korg1212);
2363                return err;
2364        }
2365
2366	snd_korg1212_EnableCardInterrupts(korg1212);
2367
2368	mdelay(CARD_BOOT_DELAY_IN_MS);
2369
2370        if (snd_korg1212_downloadDSPCode(korg1212))
2371        	return -EBUSY;
2372
2373        K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2374               "PlayDataPhy = %08x L[%08x]\n"
2375	       "korg1212: RecDataPhy = %08x L[%08x], "
2376               "VolumeTablePhy = %08x L[%08x]\n"
2377               "korg1212: RoutingTablePhy = %08x L[%08x], "
2378               "AdatTimeCodePhy = %08x L[%08x]\n",
2379	       (int)korg1212->dma_dsp.addr,    UpperWordSwap(korg1212->dma_dsp.addr),
2380               korg1212->PlayDataPhy,     LowerWordSwap(korg1212->PlayDataPhy),
2381               korg1212->RecDataPhy,      LowerWordSwap(korg1212->RecDataPhy),
2382               korg1212->VolumeTablePhy,  LowerWordSwap(korg1212->VolumeTablePhy),
2383               korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2384               korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2385
2386        if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2387                return err;
2388
2389	korg1212->pcm->private_data = korg1212;
2390        korg1212->pcm->private_free = snd_korg1212_free_pcm;
2391        strcpy(korg1212->pcm->name, "korg1212");
2392
2393        snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2394
2395	snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2396
2397	korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2398
2399        for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2400                err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2401                if (err < 0)
2402                        return err;
2403        }
2404
2405        snd_korg1212_proc_init(korg1212);
2406
2407        * rchip = korg1212;
2408	return 0;
2409
2410}
2411
2412/*
2413 * Card initialisation
2414 */
2415
2416static int
2417snd_korg1212_probe(struct pci_dev *pci,
2418		const struct pci_device_id *pci_id)
2419{
2420	static int dev;
2421	struct snd_korg1212 *korg1212;
2422	struct snd_card *card;
2423	int err;
2424
2425	if (dev >= SNDRV_CARDS) {
2426		return -ENODEV;
2427	}
2428	if (!enable[dev]) {
2429		dev++;
2430		return -ENOENT;
2431	}
2432	err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2433			   0, &card);
2434	if (err < 0)
2435		return err;
2436
2437        if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2438		snd_card_free(card);
2439		return err;
2440	}
2441
2442	strcpy(card->driver, "korg1212");
2443	strcpy(card->shortname, "korg1212");
2444	sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2445		korg1212->iomem, korg1212->irq);
2446
2447        K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2448
2449	if ((err = snd_card_register(card)) < 0) {
2450		snd_card_free(card);
2451		return err;
2452	}
2453	pci_set_drvdata(pci, card);
2454	dev++;
2455	return 0;
2456}
2457
2458static void snd_korg1212_remove(struct pci_dev *pci)
2459{
2460	snd_card_free(pci_get_drvdata(pci));
2461}
2462
2463static struct pci_driver korg1212_driver = {
2464	.name = KBUILD_MODNAME,
2465	.id_table = snd_korg1212_ids,
2466	.probe = snd_korg1212_probe,
2467	.remove = snd_korg1212_remove,
2468};
2469
2470module_pci_driver(korg1212_driver);
2471