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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Driver for the Korg 1212 IO PCI card
4 *
5 * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
6 */
7
8#include <linux/delay.h>
9#include <linux/init.h>
10#include <linux/interrupt.h>
11#include <linux/pci.h>
12#include <linux/slab.h>
13#include <linux/wait.h>
14#include <linux/module.h>
15#include <linux/mutex.h>
16#include <linux/firmware.h>
17#include <linux/io.h>
18
19#include <sound/core.h>
20#include <sound/info.h>
21#include <sound/control.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/initval.h>
25
26// ----------------------------------------------------------------------------
27// Debug Stuff
28// ----------------------------------------------------------------------------
29#define K1212_DEBUG_LEVEL 0
30#if K1212_DEBUG_LEVEL > 0
31#define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
32#else
33#define K1212_DEBUG_PRINTK(fmt,...) do { } while (0)
34#endif
35#if K1212_DEBUG_LEVEL > 1
36#define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
37#else
38#define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
39#endif
40
41// ----------------------------------------------------------------------------
42// Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
43// buffers are alocated as a large piece inside KorgSharedBuffer.
44// ----------------------------------------------------------------------------
45//#define K1212_LARGEALLOC 1
46
47// ----------------------------------------------------------------------------
48// Valid states of the Korg 1212 I/O card.
49// ----------------------------------------------------------------------------
50enum CardState {
51 K1212_STATE_NONEXISTENT, // there is no card here
52 K1212_STATE_UNINITIALIZED, // the card is awaiting DSP download
53 K1212_STATE_DSP_IN_PROCESS, // the card is currently downloading its DSP code
54 K1212_STATE_DSP_COMPLETE, // the card has finished the DSP download
55 K1212_STATE_READY, // the card can be opened by an application. Any application
56 // requests prior to this state should fail. Only an open
57 // request can be made at this state.
58 K1212_STATE_OPEN, // an application has opened the card
59 K1212_STATE_SETUP, // the card has been setup for play
60 K1212_STATE_PLAYING, // the card is playing
61 K1212_STATE_MONITOR, // the card is in the monitor mode
62 K1212_STATE_CALIBRATING, // the card is currently calibrating
63 K1212_STATE_ERRORSTOP, // the card has stopped itself because of an error and we
64 // are in the process of cleaning things up.
65 K1212_STATE_MAX_STATE // state values of this and beyond are invalid
66};
67
68// ----------------------------------------------------------------------------
69// The following enumeration defines the constants written to the card's
70// host-to-card doorbell to initiate a command.
71// ----------------------------------------------------------------------------
72enum korg1212_dbcnst {
73 K1212_DB_RequestForData = 0, // sent by the card to request a buffer fill.
74 K1212_DB_TriggerPlay = 1, // starts playback/record on the card.
75 K1212_DB_SelectPlayMode = 2, // select monitor, playback setup, or stop.
76 K1212_DB_ConfigureBufferMemory = 3, // tells card where the host audio buffers are.
77 K1212_DB_RequestAdatTimecode = 4, // asks the card for the latest ADAT timecode value.
78 K1212_DB_SetClockSourceRate = 5, // sets the clock source and rate for the card.
79 K1212_DB_ConfigureMiscMemory = 6, // tells card where other buffers are.
80 K1212_DB_TriggerFromAdat = 7, // tells card to trigger from Adat at a specific
81 // timecode value.
82 K1212_DB_DMAERROR = 0x80, // DMA Error - the PCI bus is congestioned.
83 K1212_DB_CARDSTOPPED = 0x81, // Card has stopped by user request.
84 K1212_DB_RebootCard = 0xA0, // instructs the card to reboot.
85 K1212_DB_BootFromDSPPage4 = 0xA4, // instructs the card to boot from the DSP microcode
86 // on page 4 (local page to card).
87 K1212_DB_DSPDownloadDone = 0xAE, // sent by the card to indicate the download has
88 // completed.
89 K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware.
90};
91
92
93// ----------------------------------------------------------------------------
94// The following enumeration defines return codes
95// to the Korg 1212 I/O driver.
96// ----------------------------------------------------------------------------
97enum snd_korg1212rc {
98 K1212_CMDRET_Success = 0, // command was successfully placed
99 K1212_CMDRET_DIOCFailure, // the DeviceIoControl call failed
100 K1212_CMDRET_PMFailure, // the protected mode call failed
101 K1212_CMDRET_FailUnspecified, // unspecified failure
102 K1212_CMDRET_FailBadState, // the specified command can not be given in
103 // the card's current state. (or the wave device's
104 // state)
105 K1212_CMDRET_CardUninitialized, // the card is uninitialized and cannot be used
106 K1212_CMDRET_BadIndex, // an out of range card index was specified
107 K1212_CMDRET_BadHandle, // an invalid card handle was specified
108 K1212_CMDRET_NoFillRoutine, // a play request has been made before a fill routine set
109 K1212_CMDRET_FillRoutineInUse, // can't set a new fill routine while one is in use
110 K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command
111 K1212_CMDRET_BadParams, // bad parameters were provided by the caller
112
113 K1212_CMDRET_BadDevice, // the specified wave device was out of range
114 K1212_CMDRET_BadFormat // the specified wave format is unsupported
115};
116
117// ----------------------------------------------------------------------------
118// The following enumeration defines the constants used to select the play
119// mode for the card in the SelectPlayMode command.
120// ----------------------------------------------------------------------------
121enum PlayModeSelector {
122 K1212_MODE_SetupPlay = 0x00000001, // provides card with pre-play information
123 K1212_MODE_MonitorOn = 0x00000002, // tells card to turn on monitor mode
124 K1212_MODE_MonitorOff = 0x00000004, // tells card to turn off monitor mode
125 K1212_MODE_StopPlay = 0x00000008 // stops playback on the card
126};
127
128// ----------------------------------------------------------------------------
129// The following enumeration defines the constants used to select the monitor
130// mode for the card in the SetMonitorMode command.
131// ----------------------------------------------------------------------------
132enum MonitorModeSelector {
133 K1212_MONMODE_Off = 0, // tells card to turn off monitor mode
134 K1212_MONMODE_On // tells card to turn on monitor mode
135};
136
137#define MAILBOX0_OFFSET 0x40 // location of mailbox 0 relative to base address
138#define MAILBOX1_OFFSET 0x44 // location of mailbox 1 relative to base address
139#define MAILBOX2_OFFSET 0x48 // location of mailbox 2 relative to base address
140#define MAILBOX3_OFFSET 0x4c // location of mailbox 3 relative to base address
141#define OUT_DOORBELL_OFFSET 0x60 // location of PCI to local doorbell
142#define IN_DOORBELL_OFFSET 0x64 // location of local to PCI doorbell
143#define STATUS_REG_OFFSET 0x68 // location of interrupt control/status register
144#define PCI_CONTROL_OFFSET 0x6c // location of the EEPROM, PCI, User I/O, init control
145 // register
146#define SENS_CONTROL_OFFSET 0x6e // location of the input sensitivity setting register.
147 // this is the upper word of the PCI control reg.
148#define DEV_VEND_ID_OFFSET 0x70 // location of the device and vendor ID register
149
150#define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt
151 // to send a command before giving up.
152#define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from
153 // the card.
154#define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte
155
156#define CARD_BOOT_DELAY_IN_MS 10
157#define CARD_BOOT_TIMEOUT 10
158#define DSP_BOOT_DELAY_IN_MS 200
159
160#define kNumBuffers 8
161#define k1212MaxCards 4
162#define k1212NumWaveDevices 6
163#define k16BitChannels 10
164#define k32BitChannels 2
165#define kAudioChannels (k16BitChannels + k32BitChannels)
166#define kPlayBufferFrames 1024
167
168#define K1212_ANALOG_CHANNELS 2
169#define K1212_SPDIF_CHANNELS 2
170#define K1212_ADAT_CHANNELS 8
171#define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
172#define K1212_MIN_CHANNELS 1
173#define K1212_MAX_CHANNELS K1212_CHANNELS
174#define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame))
175#define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers)
176#define K1212_PERIODS (kNumBuffers)
177#define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames)
178#define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers)
179#define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
180#define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
181#define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
182#define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
183
184#define k1212MinADCSens 0x00
185#define k1212MaxADCSens 0x7f
186#define k1212MaxVolume 0x7fff
187#define k1212MaxWaveVolume 0xffff
188#define k1212MinVolume 0x0000
189#define k1212MaxVolInverted 0x8000
190
191// -----------------------------------------------------------------
192// the following bits are used for controlling interrupts in the
193// interrupt control/status reg
194// -----------------------------------------------------------------
195#define PCI_INT_ENABLE_BIT 0x00000100
196#define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200
197#define LOCAL_INT_ENABLE_BIT 0x00010000
198#define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000
199#define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000
200
201// -----------------------------------------------------------------
202// the following bits are defined for the PCI command register
203// -----------------------------------------------------------------
204#define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002
205#define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001
206#define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004
207
208// -----------------------------------------------------------------
209// the following bits are defined for the PCI status register
210// -----------------------------------------------------------------
211#define PCI_STAT_PARITY_ERROR_BIT 0x8000
212#define PCI_STAT_SYSTEM_ERROR_BIT 0x4000
213#define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000
214#define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000
215#define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800
216
217// ------------------------------------------------------------------------
218// the following constants are used in setting the 1212 I/O card's input
219// sensitivity.
220// ------------------------------------------------------------------------
221#define SET_SENS_LOCALINIT_BITPOS 15
222#define SET_SENS_DATA_BITPOS 10
223#define SET_SENS_CLOCK_BITPOS 8
224#define SET_SENS_LOADSHIFT_BITPOS 0
225
226#define SET_SENS_LEFTCHANID 0x00
227#define SET_SENS_RIGHTCHANID 0x01
228
229#define K1212SENSUPDATE_DELAY_IN_MS 50
230
231// --------------------------------------------------------------------------
232// WaitRTCTicks
233//
234// This function waits the specified number of real time clock ticks.
235// According to the DDK, each tick is ~0.8 microseconds.
236// The defines following the function declaration can be used for the
237// numTicksToWait parameter.
238// --------------------------------------------------------------------------
239#define ONE_RTC_TICK 1
240#define SENSCLKPULSE_WIDTH 4
241#define LOADSHIFT_DELAY 4
242#define INTERCOMMAND_DELAY 40
243#define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write
244 // the command register. (could be up to 180 us)
245#define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
246 // from the card after sending a command.
247
248enum ClockSourceIndex {
249 K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz
250 K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz
251 K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz
252 K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz
253 K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz
254 K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz
255 K1212_CLKIDX_Invalid // used to check validity of the index
256};
257
258enum ClockSourceType {
259 K1212_CLKIDX_Adat = 0, // selects source as ADAT
260 K1212_CLKIDX_Word, // selects source as S/PDIF
261 K1212_CLKIDX_Local // selects source as local clock
262};
263
264struct KorgAudioFrame {
265 u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
266 u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
267 u32 timeCodeVal; /* holds the ADAT timecode value */
268};
269
270struct KorgAudioBuffer {
271 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
272};
273
274struct KorgSharedBuffer {
275#ifdef K1212_LARGEALLOC
276 struct KorgAudioBuffer playDataBufs[kNumBuffers];
277 struct KorgAudioBuffer recordDataBufs[kNumBuffers];
278#endif
279 short volumeData[kAudioChannels];
280 u32 cardCommand;
281 u16 routeData [kAudioChannels];
282 u32 AdatTimeCode; // ADAT timecode value
283};
284
285struct SensBits {
286 union {
287 struct {
288 unsigned int leftChanVal:8;
289 unsigned int leftChanId:8;
290 } v;
291 u16 leftSensBits;
292 } l;
293 union {
294 struct {
295 unsigned int rightChanVal:8;
296 unsigned int rightChanId:8;
297 } v;
298 u16 rightSensBits;
299 } r;
300};
301
302struct snd_korg1212 {
303 struct snd_card *card;
304 struct pci_dev *pci;
305 struct snd_pcm *pcm;
306 int irq;
307
308 spinlock_t lock;
309 struct mutex open_mutex;
310
311 struct timer_list timer; /* timer callback for checking ack of stop request */
312 int stop_pending_cnt; /* counter for stop pending check */
313
314 wait_queue_head_t wait;
315
316 unsigned long iomem;
317 unsigned long ioport;
318 unsigned long iomem2;
319 unsigned long irqcount;
320 unsigned long inIRQ;
321 void __iomem *iobase;
322
323 struct snd_dma_buffer dma_dsp;
324 struct snd_dma_buffer dma_play;
325 struct snd_dma_buffer dma_rec;
326 struct snd_dma_buffer dma_shared;
327
328 u32 DataBufsSize;
329
330 struct KorgAudioBuffer * playDataBufsPtr;
331 struct KorgAudioBuffer * recordDataBufsPtr;
332
333 struct KorgSharedBuffer * sharedBufferPtr;
334
335 u32 RecDataPhy;
336 u32 PlayDataPhy;
337 unsigned long sharedBufferPhy;
338 u32 VolumeTablePhy;
339 u32 RoutingTablePhy;
340 u32 AdatTimeCodePhy;
341
342 u32 __iomem * statusRegPtr; // address of the interrupt status/control register
343 u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register
344 u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register
345 u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card
346 u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card
347 u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card
348 u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card
349 u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
350 u16 __iomem * sensRegPtr; // address of the sensitivity setting register
351 u32 __iomem * idRegPtr; // address of the device and vendor ID registers
352
353 size_t periodsize;
354 int channels;
355 int currentBuffer;
356
357 struct snd_pcm_substream *playback_substream;
358 struct snd_pcm_substream *capture_substream;
359
360 pid_t capture_pid;
361 pid_t playback_pid;
362
363 enum CardState cardState;
364 int running;
365 int idleMonitorOn; // indicates whether the card is in idle monitor mode.
366 u32 cmdRetryCount; // tracks how many times we have retried sending to the card.
367
368 enum ClockSourceIndex clkSrcRate; // sample rate and clock source
369
370 enum ClockSourceType clkSource; // clock source
371 int clkRate; // clock rate
372
373 int volumePhase[kAudioChannels];
374
375 u16 leftADCInSens; // ADC left channel input sensitivity
376 u16 rightADCInSens; // ADC right channel input sensitivity
377
378 int opencnt; // Open/Close count
379 int setcnt; // SetupForPlay count
380 int playcnt; // TriggerPlay count
381 int errorcnt; // Error Count
382 unsigned long totalerrorcnt; // Total Error Count
383
384 int dsp_is_loaded;
385 int dsp_stop_is_processed;
386
387};
388
389MODULE_DESCRIPTION("korg1212");
390MODULE_LICENSE("GPL");
391MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
392MODULE_FIRMWARE("korg/k1212.dsp");
393
394static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
395static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
396static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
397
398module_param_array(index, int, NULL, 0444);
399MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
400module_param_array(id, charp, NULL, 0444);
401MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
402module_param_array(enable, bool, NULL, 0444);
403MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
404MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
405
406static const struct pci_device_id snd_korg1212_ids[] = {
407 {
408 .vendor = 0x10b5,
409 .device = 0x906d,
410 .subvendor = PCI_ANY_ID,
411 .subdevice = PCI_ANY_ID,
412 },
413 { 0, },
414};
415
416MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
417
418static const char * const stateName[] = {
419 "Non-existent",
420 "Uninitialized",
421 "DSP download in process",
422 "DSP download complete",
423 "Ready",
424 "Open",
425 "Setup for play",
426 "Playing",
427 "Monitor mode on",
428 "Calibrating",
429 "Invalid"
430};
431
432static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
433
434static const char * const clockSourceName[] = {
435 "ADAT at 44.1 kHz",
436 "ADAT at 48 kHz",
437 "S/PDIF at 44.1 kHz",
438 "S/PDIF at 48 kHz",
439 "local clock at 44.1 kHz",
440 "local clock at 48 kHz"
441};
442
443static const char * const channelName[] = {
444 "ADAT-1",
445 "ADAT-2",
446 "ADAT-3",
447 "ADAT-4",
448 "ADAT-5",
449 "ADAT-6",
450 "ADAT-7",
451 "ADAT-8",
452 "Analog-L",
453 "Analog-R",
454 "SPDIF-L",
455 "SPDIF-R",
456};
457
458static const u16 ClockSourceSelector[] = {
459 0x8000, // selects source as ADAT at 44.1 kHz
460 0x0000, // selects source as ADAT at 48 kHz
461 0x8001, // selects source as S/PDIF at 44.1 kHz
462 0x0001, // selects source as S/PDIF at 48 kHz
463 0x8002, // selects source as local clock at 44.1 kHz
464 0x0002 // selects source as local clock at 48 kHz
465};
466
467union swap_u32 { unsigned char c[4]; u32 i; };
468
469#ifdef SNDRV_BIG_ENDIAN
470static u32 LowerWordSwap(u32 swappee)
471#else
472static u32 UpperWordSwap(u32 swappee)
473#endif
474{
475 union swap_u32 retVal, swapper;
476
477 swapper.i = swappee;
478 retVal.c[2] = swapper.c[3];
479 retVal.c[3] = swapper.c[2];
480 retVal.c[1] = swapper.c[1];
481 retVal.c[0] = swapper.c[0];
482
483 return retVal.i;
484}
485
486#ifdef SNDRV_BIG_ENDIAN
487static u32 UpperWordSwap(u32 swappee)
488#else
489static u32 LowerWordSwap(u32 swappee)
490#endif
491{
492 union swap_u32 retVal, swapper;
493
494 swapper.i = swappee;
495 retVal.c[2] = swapper.c[2];
496 retVal.c[3] = swapper.c[3];
497 retVal.c[1] = swapper.c[0];
498 retVal.c[0] = swapper.c[1];
499
500 return retVal.i;
501}
502
503#define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
504#define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
505#define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
506#define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
507
508static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
509 enum korg1212_dbcnst doorbellVal,
510 u32 mailBox0Val, u32 mailBox1Val,
511 u32 mailBox2Val, u32 mailBox3Val)
512{
513 u32 retryCount;
514 u16 mailBox3Lo;
515 int rc = K1212_CMDRET_Success;
516
517 if (!korg1212->outDoorbellPtr) {
518 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
519 return K1212_CMDRET_CardUninitialized;
520 }
521
522 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
523 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
524 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
525 writel(mailBox3Val, korg1212->mailbox3Ptr);
526 writel(mailBox2Val, korg1212->mailbox2Ptr);
527 writel(mailBox1Val, korg1212->mailbox1Ptr);
528 writel(mailBox0Val, korg1212->mailbox0Ptr);
529 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
530
531 // --------------------------------------------------------------
532 // the reboot command will not give an acknowledgement.
533 // --------------------------------------------------------------
534 if ( doorbellVal == K1212_DB_RebootCard ||
535 doorbellVal == K1212_DB_BootFromDSPPage4 ||
536 doorbellVal == K1212_DB_StartDSPDownload ) {
537 rc = K1212_CMDRET_Success;
538 break;
539 }
540
541 // --------------------------------------------------------------
542 // See if the card acknowledged the command. Wait a bit, then
543 // read in the low word of mailbox3. If the MSB is set and the
544 // low byte is equal to the doorbell value, then it ack'd.
545 // --------------------------------------------------------------
546 udelay(COMMAND_ACK_DELAY);
547 mailBox3Lo = readl(korg1212->mailbox3Ptr);
548 if (mailBox3Lo & COMMAND_ACK_MASK) {
549 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
550 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
551 rc = K1212_CMDRET_Success;
552 break;
553 }
554 }
555 }
556 korg1212->cmdRetryCount += retryCount;
557
558 if (retryCount >= MAX_COMMAND_RETRIES) {
559 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
560 rc = K1212_CMDRET_NoAckFromCard;
561 }
562
563 return rc;
564}
565
566/* spinlock already held */
567static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
568{
569 if (! korg1212->stop_pending_cnt) {
570 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
571 /* program the timer */
572 korg1212->stop_pending_cnt = HZ;
573 mod_timer(&korg1212->timer, jiffies + 1);
574 }
575}
576
577static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
578{
579 unsigned long flags;
580 spin_lock_irqsave(&korg1212->lock, flags);
581 korg1212->dsp_stop_is_processed = 0;
582 snd_korg1212_SendStop(korg1212);
583 spin_unlock_irqrestore(&korg1212->lock, flags);
584 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
585}
586
587/* timer callback for checking the ack of stop request */
588static void snd_korg1212_timer_func(struct timer_list *t)
589{
590 struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
591 unsigned long flags;
592
593 spin_lock_irqsave(&korg1212->lock, flags);
594 if (korg1212->sharedBufferPtr->cardCommand == 0) {
595 /* ack'ed */
596 korg1212->stop_pending_cnt = 0;
597 korg1212->dsp_stop_is_processed = 1;
598 wake_up(&korg1212->wait);
599 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
600 stateName[korg1212->cardState]);
601 } else {
602 if (--korg1212->stop_pending_cnt > 0) {
603 /* reprogram timer */
604 mod_timer(&korg1212->timer, jiffies + 1);
605 } else {
606 snd_printd("korg1212_timer_func timeout\n");
607 korg1212->sharedBufferPtr->cardCommand = 0;
608 korg1212->dsp_stop_is_processed = 1;
609 wake_up(&korg1212->wait);
610 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
611 stateName[korg1212->cardState]);
612 }
613 }
614 spin_unlock_irqrestore(&korg1212->lock, flags);
615}
616
617static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
618{
619 unsigned long flags;
620 int rc;
621
622 udelay(INTERCOMMAND_DELAY);
623 spin_lock_irqsave(&korg1212->lock, flags);
624 korg1212->idleMonitorOn = 1;
625 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
626 K1212_MODE_MonitorOn, 0, 0, 0);
627 spin_unlock_irqrestore(&korg1212->lock, flags);
628 return rc;
629}
630
631static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
632{
633 if (korg1212->idleMonitorOn) {
634 snd_korg1212_SendStopAndWait(korg1212);
635 korg1212->idleMonitorOn = 0;
636 }
637}
638
639static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
640{
641 korg1212->cardState = csState;
642}
643
644static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
645{
646 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
647 stateName[korg1212->cardState], korg1212->opencnt);
648 mutex_lock(&korg1212->open_mutex);
649 if (korg1212->opencnt++ == 0) {
650 snd_korg1212_TurnOffIdleMonitor(korg1212);
651 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
652 }
653
654 mutex_unlock(&korg1212->open_mutex);
655 return 1;
656}
657
658static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
659{
660 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
661 stateName[korg1212->cardState], korg1212->opencnt);
662
663 mutex_lock(&korg1212->open_mutex);
664 if (--(korg1212->opencnt)) {
665 mutex_unlock(&korg1212->open_mutex);
666 return 0;
667 }
668
669 if (korg1212->cardState == K1212_STATE_SETUP) {
670 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
671 K1212_MODE_StopPlay, 0, 0, 0);
672 if (rc)
673 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
674 rc, stateName[korg1212->cardState]);
675 if (rc != K1212_CMDRET_Success) {
676 mutex_unlock(&korg1212->open_mutex);
677 return 0;
678 }
679 } else if (korg1212->cardState > K1212_STATE_SETUP) {
680 snd_korg1212_SendStopAndWait(korg1212);
681 }
682
683 if (korg1212->cardState > K1212_STATE_READY) {
684 snd_korg1212_TurnOnIdleMonitor(korg1212);
685 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
686 }
687
688 mutex_unlock(&korg1212->open_mutex);
689 return 0;
690}
691
692/* spinlock already held */
693static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
694{
695 int rc;
696
697 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
698 stateName[korg1212->cardState], korg1212->setcnt);
699
700 if (korg1212->setcnt++)
701 return 0;
702
703 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
704 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
705 K1212_MODE_SetupPlay, 0, 0, 0);
706 if (rc)
707 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
708 rc, stateName[korg1212->cardState]);
709 if (rc != K1212_CMDRET_Success) {
710 return 1;
711 }
712 return 0;
713}
714
715/* spinlock already held */
716static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
717{
718 int rc;
719
720 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
721 stateName[korg1212->cardState], korg1212->playcnt);
722
723 if (korg1212->playcnt++)
724 return 0;
725
726 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
727 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
728 if (rc)
729 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
730 rc, stateName[korg1212->cardState]);
731 if (rc != K1212_CMDRET_Success) {
732 return 1;
733 }
734 return 0;
735}
736
737/* spinlock already held */
738static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
739{
740 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
741 stateName[korg1212->cardState], korg1212->playcnt);
742
743 if (--(korg1212->playcnt))
744 return 0;
745
746 korg1212->setcnt = 0;
747
748 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
749 snd_korg1212_SendStop(korg1212);
750
751 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
752 return 0;
753}
754
755static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
756{
757 writel(PCI_INT_ENABLE_BIT |
758 PCI_DOORBELL_INT_ENABLE_BIT |
759 LOCAL_INT_ENABLE_BIT |
760 LOCAL_DOORBELL_INT_ENABLE_BIT |
761 LOCAL_DMA1_INT_ENABLE_BIT,
762 korg1212->statusRegPtr);
763}
764
765#if 0 /* not used */
766
767static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
768 enum MonitorModeSelector mode)
769{
770 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
771 stateName[korg1212->cardState]);
772
773 switch (mode) {
774 case K1212_MONMODE_Off:
775 if (korg1212->cardState != K1212_STATE_MONITOR)
776 return 0;
777 else {
778 snd_korg1212_SendStopAndWait(korg1212);
779 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
780 }
781 break;
782
783 case K1212_MONMODE_On:
784 if (korg1212->cardState != K1212_STATE_OPEN)
785 return 0;
786 else {
787 int rc;
788 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
789 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
790 K1212_MODE_MonitorOn, 0, 0, 0);
791 if (rc != K1212_CMDRET_Success)
792 return 0;
793 }
794 break;
795
796 default:
797 return 0;
798 }
799
800 return 1;
801}
802
803#endif /* not used */
804
805static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
806{
807 if (korg1212->playback_pid != korg1212->capture_pid &&
808 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
809 return 0;
810
811 return 1;
812}
813
814static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
815{
816 static const enum ClockSourceIndex s44[] = {
817 K1212_CLKIDX_AdatAt44_1K,
818 K1212_CLKIDX_WordAt44_1K,
819 K1212_CLKIDX_LocalAt44_1K
820 };
821 static const enum ClockSourceIndex s48[] = {
822 K1212_CLKIDX_AdatAt48K,
823 K1212_CLKIDX_WordAt48K,
824 K1212_CLKIDX_LocalAt48K
825 };
826 int parm, rc;
827
828 if (!snd_korg1212_use_is_exclusive (korg1212))
829 return -EBUSY;
830
831 switch (rate) {
832 case 44100:
833 parm = s44[korg1212->clkSource];
834 break;
835
836 case 48000:
837 parm = s48[korg1212->clkSource];
838 break;
839
840 default:
841 return -EINVAL;
842 }
843
844 korg1212->clkSrcRate = parm;
845 korg1212->clkRate = rate;
846
847 udelay(INTERCOMMAND_DELAY);
848 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
849 ClockSourceSelector[korg1212->clkSrcRate],
850 0, 0, 0);
851 if (rc)
852 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
853 rc, stateName[korg1212->cardState]);
854
855 return 0;
856}
857
858static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
859{
860
861 if (source < 0 || source > 2)
862 return -EINVAL;
863
864 korg1212->clkSource = source;
865
866 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
867
868 return 0;
869}
870
871static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
872{
873 writel(0, korg1212->statusRegPtr);
874}
875
876static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
877{
878 struct SensBits sensVals;
879 int bitPosition;
880 int channel;
881 int clkIs48K;
882 int monModeSet;
883 u16 controlValue; // this keeps the current value to be written to
884 // the card's eeprom control register.
885 u16 count;
886 unsigned long flags;
887
888 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
889 stateName[korg1212->cardState]);
890
891 // ----------------------------------------------------------------------------
892 // initialize things. The local init bit is always set when writing to the
893 // card's control register.
894 // ----------------------------------------------------------------------------
895 controlValue = 0;
896 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
897
898 // ----------------------------------------------------------------------------
899 // make sure the card is not in monitor mode when we do this update.
900 // ----------------------------------------------------------------------------
901 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
902 monModeSet = 1;
903 snd_korg1212_SendStopAndWait(korg1212);
904 } else
905 monModeSet = 0;
906
907 spin_lock_irqsave(&korg1212->lock, flags);
908
909 // ----------------------------------------------------------------------------
910 // we are about to send new values to the card, so clear the new values queued
911 // flag. Also, clear out mailbox 3, so we don't lockup.
912 // ----------------------------------------------------------------------------
913 writel(0, korg1212->mailbox3Ptr);
914 udelay(LOADSHIFT_DELAY);
915
916 // ----------------------------------------------------------------------------
917 // determine whether we are running a 48K or 44.1K clock. This info is used
918 // later when setting the SPDIF FF after the volume has been shifted in.
919 // ----------------------------------------------------------------------------
920 switch (korg1212->clkSrcRate) {
921 case K1212_CLKIDX_AdatAt44_1K:
922 case K1212_CLKIDX_WordAt44_1K:
923 case K1212_CLKIDX_LocalAt44_1K:
924 clkIs48K = 0;
925 break;
926
927 case K1212_CLKIDX_WordAt48K:
928 case K1212_CLKIDX_AdatAt48K:
929 case K1212_CLKIDX_LocalAt48K:
930 default:
931 clkIs48K = 1;
932 break;
933 }
934
935 // ----------------------------------------------------------------------------
936 // start the update. Setup the bit structure and then shift the bits.
937 // ----------------------------------------------------------------------------
938 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
939 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
940 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
941 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
942
943 // ----------------------------------------------------------------------------
944 // now start shifting the bits in. Start with the left channel then the right.
945 // ----------------------------------------------------------------------------
946 for (channel = 0; channel < 2; channel++) {
947
948 // ----------------------------------------------------------------------------
949 // Bring the load/shift line low, then wait - the spec says >150ns from load/
950 // shift low to the first rising edge of the clock.
951 // ----------------------------------------------------------------------------
952 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
953 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
954 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
955 udelay(LOADSHIFT_DELAY);
956
957 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
958 if (channel == 0) {
959 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
960 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
961 else
962 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
963 } else {
964 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
965 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
966 else
967 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
968 }
969
970 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
971 writew(controlValue, korg1212->sensRegPtr); // clock goes low
972 udelay(SENSCLKPULSE_WIDTH);
973 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
974 writew(controlValue, korg1212->sensRegPtr); // clock goes high
975 udelay(SENSCLKPULSE_WIDTH);
976 }
977
978 // ----------------------------------------------------------------------------
979 // finish up SPDIF for left. Bring the load/shift line high, then write a one
980 // bit if the clock rate is 48K otherwise write 0.
981 // ----------------------------------------------------------------------------
982 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
983 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
984 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
985 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
986 udelay(SENSCLKPULSE_WIDTH);
987
988 if (clkIs48K)
989 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
990
991 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
992 udelay(ONE_RTC_TICK);
993 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
994 writew(controlValue, korg1212->sensRegPtr); // clock goes high
995 udelay(SENSCLKPULSE_WIDTH);
996 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
997 writew(controlValue, korg1212->sensRegPtr); // clock goes low
998 udelay(SENSCLKPULSE_WIDTH);
999 }
1000
1001 // ----------------------------------------------------------------------------
1002 // The update is complete. Set a timeout. This is the inter-update delay.
1003 // Also, if the card was in monitor mode, restore it.
1004 // ----------------------------------------------------------------------------
1005 for (count = 0; count < 10; count++)
1006 udelay(SENSCLKPULSE_WIDTH);
1007
1008 if (monModeSet) {
1009 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1010 K1212_MODE_MonitorOn, 0, 0, 0);
1011 if (rc)
1012 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1013 rc, stateName[korg1212->cardState]);
1014 }
1015
1016 spin_unlock_irqrestore(&korg1212->lock, flags);
1017
1018 return 1;
1019}
1020
1021static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1022{
1023 int channel, rc;
1024
1025 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1026 stateName[korg1212->cardState]);
1027
1028 // ----------------------------------------------------
1029 // tell the card to boot
1030 // ----------------------------------------------------
1031 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1032
1033 if (rc)
1034 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1035 rc, stateName[korg1212->cardState]);
1036 msleep(DSP_BOOT_DELAY_IN_MS);
1037
1038 // --------------------------------------------------------------------------------
1039 // Let the card know where all the buffers are.
1040 // --------------------------------------------------------------------------------
1041 rc = snd_korg1212_Send1212Command(korg1212,
1042 K1212_DB_ConfigureBufferMemory,
1043 LowerWordSwap(korg1212->PlayDataPhy),
1044 LowerWordSwap(korg1212->RecDataPhy),
1045 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1046 // is based on 2 buffers
1047 0
1048 );
1049
1050 if (rc)
1051 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1052 rc, stateName[korg1212->cardState]);
1053
1054 udelay(INTERCOMMAND_DELAY);
1055
1056 rc = snd_korg1212_Send1212Command(korg1212,
1057 K1212_DB_ConfigureMiscMemory,
1058 LowerWordSwap(korg1212->VolumeTablePhy),
1059 LowerWordSwap(korg1212->RoutingTablePhy),
1060 LowerWordSwap(korg1212->AdatTimeCodePhy),
1061 0
1062 );
1063
1064 if (rc)
1065 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1066 rc, stateName[korg1212->cardState]);
1067
1068 // --------------------------------------------------------------------------------
1069 // Initialize the routing and volume tables, then update the card's state.
1070 // --------------------------------------------------------------------------------
1071 udelay(INTERCOMMAND_DELAY);
1072
1073 for (channel = 0; channel < kAudioChannels; channel++) {
1074 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1075 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1076 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1077 }
1078
1079 snd_korg1212_WriteADCSensitivity(korg1212);
1080
1081 udelay(INTERCOMMAND_DELAY);
1082 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1083 ClockSourceSelector[korg1212->clkSrcRate],
1084 0, 0, 0);
1085 if (rc)
1086 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1087 rc, stateName[korg1212->cardState]);
1088
1089 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1090 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1091
1092 if (rc)
1093 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1094 rc, stateName[korg1212->cardState]);
1095
1096 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1097}
1098
1099static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1100{
1101 u32 doorbellValue;
1102 struct snd_korg1212 *korg1212 = dev_id;
1103
1104 doorbellValue = readl(korg1212->inDoorbellPtr);
1105
1106 if (!doorbellValue)
1107 return IRQ_NONE;
1108
1109 spin_lock(&korg1212->lock);
1110
1111 writel(doorbellValue, korg1212->inDoorbellPtr);
1112
1113 korg1212->irqcount++;
1114
1115 korg1212->inIRQ++;
1116
1117 switch (doorbellValue) {
1118 case K1212_DB_DSPDownloadDone:
1119 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1120 korg1212->irqcount, doorbellValue,
1121 stateName[korg1212->cardState]);
1122 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1123 korg1212->dsp_is_loaded = 1;
1124 wake_up(&korg1212->wait);
1125 }
1126 break;
1127
1128 // ------------------------------------------------------------------------
1129 // an error occurred - stop the card
1130 // ------------------------------------------------------------------------
1131 case K1212_DB_DMAERROR:
1132 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1133 korg1212->irqcount, doorbellValue,
1134 stateName[korg1212->cardState]);
1135 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1136 korg1212->errorcnt++;
1137 korg1212->totalerrorcnt++;
1138 korg1212->sharedBufferPtr->cardCommand = 0;
1139 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1140 break;
1141
1142 // ------------------------------------------------------------------------
1143 // the card has stopped by our request. Clear the command word and signal
1144 // the semaphore in case someone is waiting for this.
1145 // ------------------------------------------------------------------------
1146 case K1212_DB_CARDSTOPPED:
1147 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1148 korg1212->irqcount, doorbellValue,
1149 stateName[korg1212->cardState]);
1150 korg1212->sharedBufferPtr->cardCommand = 0;
1151 break;
1152
1153 default:
1154 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1155 korg1212->irqcount, doorbellValue,
1156 korg1212->currentBuffer, stateName[korg1212->cardState]);
1157 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1158 korg1212->currentBuffer++;
1159
1160 if (korg1212->currentBuffer >= kNumBuffers)
1161 korg1212->currentBuffer = 0;
1162
1163 if (!korg1212->running)
1164 break;
1165
1166 if (korg1212->capture_substream) {
1167 spin_unlock(&korg1212->lock);
1168 snd_pcm_period_elapsed(korg1212->capture_substream);
1169 spin_lock(&korg1212->lock);
1170 }
1171
1172 if (korg1212->playback_substream) {
1173 spin_unlock(&korg1212->lock);
1174 snd_pcm_period_elapsed(korg1212->playback_substream);
1175 spin_lock(&korg1212->lock);
1176 }
1177 }
1178 break;
1179 }
1180
1181 korg1212->inIRQ--;
1182
1183 spin_unlock(&korg1212->lock);
1184
1185 return IRQ_HANDLED;
1186}
1187
1188static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1189{
1190 int rc;
1191
1192 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1193 stateName[korg1212->cardState]);
1194
1195 // ---------------------------------------------------------------
1196 // verify the state of the card before proceeding.
1197 // ---------------------------------------------------------------
1198 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1199 return 1;
1200
1201 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1202
1203 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1204 UpperWordSwap(korg1212->dma_dsp.addr),
1205 0, 0, 0);
1206 if (rc)
1207 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1208 rc, stateName[korg1212->cardState]);
1209
1210 korg1212->dsp_is_loaded = 0;
1211 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1212 if (! korg1212->dsp_is_loaded )
1213 return -EBUSY; /* timeout */
1214
1215 snd_korg1212_OnDSPDownloadComplete(korg1212);
1216
1217 return 0;
1218}
1219
1220static const struct snd_pcm_hardware snd_korg1212_playback_info =
1221{
1222 .info = (SNDRV_PCM_INFO_MMAP |
1223 SNDRV_PCM_INFO_MMAP_VALID |
1224 SNDRV_PCM_INFO_INTERLEAVED |
1225 SNDRV_PCM_INFO_BATCH),
1226 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1227 .rates = (SNDRV_PCM_RATE_44100 |
1228 SNDRV_PCM_RATE_48000),
1229 .rate_min = 44100,
1230 .rate_max = 48000,
1231 .channels_min = K1212_MIN_CHANNELS,
1232 .channels_max = K1212_MAX_CHANNELS,
1233 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1234 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1235 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1236 .periods_min = K1212_PERIODS,
1237 .periods_max = K1212_PERIODS,
1238 .fifo_size = 0,
1239};
1240
1241static const struct snd_pcm_hardware snd_korg1212_capture_info =
1242{
1243 .info = (SNDRV_PCM_INFO_MMAP |
1244 SNDRV_PCM_INFO_MMAP_VALID |
1245 SNDRV_PCM_INFO_INTERLEAVED |
1246 SNDRV_PCM_INFO_BATCH),
1247 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1248 .rates = (SNDRV_PCM_RATE_44100 |
1249 SNDRV_PCM_RATE_48000),
1250 .rate_min = 44100,
1251 .rate_max = 48000,
1252 .channels_min = K1212_MIN_CHANNELS,
1253 .channels_max = K1212_MAX_CHANNELS,
1254 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1255 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1256 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1257 .periods_min = K1212_PERIODS,
1258 .periods_max = K1212_PERIODS,
1259 .fifo_size = 0,
1260};
1261
1262static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1263{
1264 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1265 int i;
1266
1267 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1268 pos, offset, size, count);
1269 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1270 return -EINVAL;
1271
1272 for (i=0; i < count; i++) {
1273#if K1212_DEBUG_LEVEL > 0
1274 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1275 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1276 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1277 dst, i);
1278 return -EFAULT;
1279 }
1280#endif
1281 memset((void*) dst + offset, 0, size);
1282 dst++;
1283 }
1284
1285 return 0;
1286}
1287
1288static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1289 void __user *dst, int pos, int count,
1290 bool in_kernel)
1291{
1292 struct snd_pcm_runtime *runtime = substream->runtime;
1293 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1294 struct KorgAudioFrame *src;
1295 int i, size;
1296
1297 pos = bytes_to_frames(runtime, pos);
1298 count = bytes_to_frames(runtime, count);
1299 size = korg1212->channels * 2;
1300 src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1301 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1302 pos, size, count);
1303 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1304 return -EINVAL;
1305
1306 for (i=0; i < count; i++) {
1307#if K1212_DEBUG_LEVEL > 0
1308 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1309 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1310 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1311 return -EFAULT;
1312 }
1313#endif
1314 if (in_kernel)
1315 memcpy((__force void *)dst, src, size);
1316 else if (copy_to_user(dst, src, size))
1317 return -EFAULT;
1318 src++;
1319 dst += size;
1320 }
1321
1322 return 0;
1323}
1324
1325static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1326 void __user *src, int pos, int count,
1327 bool in_kernel)
1328{
1329 struct snd_pcm_runtime *runtime = substream->runtime;
1330 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1331 struct KorgAudioFrame *dst;
1332 int i, size;
1333
1334 pos = bytes_to_frames(runtime, pos);
1335 count = bytes_to_frames(runtime, count);
1336 size = korg1212->channels * 2;
1337 dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1338
1339 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1340 pos, size, count);
1341
1342 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1343 return -EINVAL;
1344
1345 for (i=0; i < count; i++) {
1346#if K1212_DEBUG_LEVEL > 0
1347 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1348 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1349 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1350 return -EFAULT;
1351 }
1352#endif
1353 if (in_kernel)
1354 memcpy(dst, (__force void *)src, size);
1355 else if (copy_from_user(dst, src, size))
1356 return -EFAULT;
1357 dst++;
1358 src += size;
1359 }
1360
1361 return 0;
1362}
1363
1364static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1365{
1366 struct snd_korg1212 *korg1212 = pcm->private_data;
1367
1368 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1369 stateName[korg1212->cardState]);
1370
1371 korg1212->pcm = NULL;
1372}
1373
1374static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1375{
1376 unsigned long flags;
1377 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1378 struct snd_pcm_runtime *runtime = substream->runtime;
1379
1380 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1381 stateName[korg1212->cardState]);
1382
1383 snd_korg1212_OpenCard(korg1212);
1384
1385 runtime->hw = snd_korg1212_playback_info;
1386 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1387
1388 spin_lock_irqsave(&korg1212->lock, flags);
1389
1390 korg1212->playback_substream = substream;
1391 korg1212->playback_pid = current->pid;
1392 korg1212->periodsize = K1212_PERIODS;
1393 korg1212->channels = K1212_CHANNELS;
1394 korg1212->errorcnt = 0;
1395
1396 spin_unlock_irqrestore(&korg1212->lock, flags);
1397
1398 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1399 kPlayBufferFrames);
1400
1401 return 0;
1402}
1403
1404
1405static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1406{
1407 unsigned long flags;
1408 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1409 struct snd_pcm_runtime *runtime = substream->runtime;
1410
1411 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1412 stateName[korg1212->cardState]);
1413
1414 snd_korg1212_OpenCard(korg1212);
1415
1416 runtime->hw = snd_korg1212_capture_info;
1417 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1418
1419 spin_lock_irqsave(&korg1212->lock, flags);
1420
1421 korg1212->capture_substream = substream;
1422 korg1212->capture_pid = current->pid;
1423 korg1212->periodsize = K1212_PERIODS;
1424 korg1212->channels = K1212_CHANNELS;
1425
1426 spin_unlock_irqrestore(&korg1212->lock, flags);
1427
1428 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1429 kPlayBufferFrames);
1430 return 0;
1431}
1432
1433static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1434{
1435 unsigned long flags;
1436 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1437
1438 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1439 stateName[korg1212->cardState]);
1440
1441 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1442
1443 spin_lock_irqsave(&korg1212->lock, flags);
1444
1445 korg1212->playback_pid = -1;
1446 korg1212->playback_substream = NULL;
1447 korg1212->periodsize = 0;
1448
1449 spin_unlock_irqrestore(&korg1212->lock, flags);
1450
1451 snd_korg1212_CloseCard(korg1212);
1452 return 0;
1453}
1454
1455static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1456{
1457 unsigned long flags;
1458 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1459
1460 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1461 stateName[korg1212->cardState]);
1462
1463 spin_lock_irqsave(&korg1212->lock, flags);
1464
1465 korg1212->capture_pid = -1;
1466 korg1212->capture_substream = NULL;
1467 korg1212->periodsize = 0;
1468
1469 spin_unlock_irqrestore(&korg1212->lock, flags);
1470
1471 snd_korg1212_CloseCard(korg1212);
1472 return 0;
1473}
1474
1475static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1476 unsigned int cmd, void *arg)
1477{
1478 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1479
1480 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1481 struct snd_pcm_channel_info *info = arg;
1482 info->offset = 0;
1483 info->first = info->channel * 16;
1484 info->step = 256;
1485 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1486 return 0;
1487 }
1488
1489 return snd_pcm_lib_ioctl(substream, cmd, arg);
1490}
1491
1492static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1493 struct snd_pcm_hw_params *params)
1494{
1495 unsigned long flags;
1496 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1497 int err;
1498 pid_t this_pid;
1499 pid_t other_pid;
1500
1501 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1502 stateName[korg1212->cardState]);
1503
1504 spin_lock_irqsave(&korg1212->lock, flags);
1505
1506 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1507 this_pid = korg1212->playback_pid;
1508 other_pid = korg1212->capture_pid;
1509 } else {
1510 this_pid = korg1212->capture_pid;
1511 other_pid = korg1212->playback_pid;
1512 }
1513
1514 if ((other_pid > 0) && (this_pid != other_pid)) {
1515
1516 /* The other stream is open, and not by the same
1517 task as this one. Make sure that the parameters
1518 that matter are the same.
1519 */
1520
1521 if ((int)params_rate(params) != korg1212->clkRate) {
1522 spin_unlock_irqrestore(&korg1212->lock, flags);
1523 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1524 return -EBUSY;
1525 }
1526
1527 spin_unlock_irqrestore(&korg1212->lock, flags);
1528 return 0;
1529 }
1530
1531 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1532 spin_unlock_irqrestore(&korg1212->lock, flags);
1533 return err;
1534 }
1535
1536 korg1212->channels = params_channels(params);
1537 korg1212->periodsize = K1212_PERIOD_BYTES;
1538
1539 spin_unlock_irqrestore(&korg1212->lock, flags);
1540
1541 return 0;
1542}
1543
1544static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1545{
1546 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1547 int rc;
1548
1549 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1550 stateName[korg1212->cardState]);
1551
1552 spin_lock_irq(&korg1212->lock);
1553
1554 /* FIXME: we should wait for ack! */
1555 if (korg1212->stop_pending_cnt > 0) {
1556 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1557 stateName[korg1212->cardState]);
1558 spin_unlock_irq(&korg1212->lock);
1559 return -EAGAIN;
1560 /*
1561 korg1212->sharedBufferPtr->cardCommand = 0;
1562 del_timer(&korg1212->timer);
1563 korg1212->stop_pending_cnt = 0;
1564 */
1565 }
1566
1567 rc = snd_korg1212_SetupForPlay(korg1212);
1568
1569 korg1212->currentBuffer = 0;
1570
1571 spin_unlock_irq(&korg1212->lock);
1572
1573 return rc ? -EINVAL : 0;
1574}
1575
1576static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1577 int cmd)
1578{
1579 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1580 int rc;
1581
1582 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1583 stateName[korg1212->cardState], cmd);
1584
1585 spin_lock(&korg1212->lock);
1586 switch (cmd) {
1587 case SNDRV_PCM_TRIGGER_START:
1588/*
1589 if (korg1212->running) {
1590 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1591 break;
1592 }
1593*/
1594 korg1212->running++;
1595 rc = snd_korg1212_TriggerPlay(korg1212);
1596 break;
1597
1598 case SNDRV_PCM_TRIGGER_STOP:
1599/*
1600 if (!korg1212->running) {
1601 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1602 break;
1603 }
1604*/
1605 korg1212->running--;
1606 rc = snd_korg1212_StopPlay(korg1212);
1607 break;
1608
1609 default:
1610 rc = 1;
1611 break;
1612 }
1613 spin_unlock(&korg1212->lock);
1614 return rc ? -EINVAL : 0;
1615}
1616
1617static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1618{
1619 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1620 snd_pcm_uframes_t pos;
1621
1622 pos = korg1212->currentBuffer * kPlayBufferFrames;
1623
1624 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1625 stateName[korg1212->cardState], pos);
1626
1627 return pos;
1628}
1629
1630static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1631{
1632 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1633 snd_pcm_uframes_t pos;
1634
1635 pos = korg1212->currentBuffer * kPlayBufferFrames;
1636
1637 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1638 stateName[korg1212->cardState], pos);
1639
1640 return pos;
1641}
1642
1643static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1644 int channel, unsigned long pos,
1645 void __user *src, unsigned long count)
1646{
1647 return snd_korg1212_copy_from(substream, src, pos, count, false);
1648}
1649
1650static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1651 int channel, unsigned long pos,
1652 void *src, unsigned long count)
1653{
1654 return snd_korg1212_copy_from(substream, (void __user *)src,
1655 pos, count, true);
1656}
1657
1658static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1659 int channel, /* not used (interleaved data) */
1660 unsigned long pos,
1661 unsigned long count)
1662{
1663 struct snd_pcm_runtime *runtime = substream->runtime;
1664 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1665
1666 return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1667 bytes_to_frames(runtime, count),
1668 0, korg1212->channels * 2);
1669}
1670
1671static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1672 int channel, unsigned long pos,
1673 void __user *dst, unsigned long count)
1674{
1675 return snd_korg1212_copy_to(substream, dst, pos, count, false);
1676}
1677
1678static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1679 int channel, unsigned long pos,
1680 void *dst, unsigned long count)
1681{
1682 return snd_korg1212_copy_to(substream, (void __user *)dst,
1683 pos, count, true);
1684}
1685
1686static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1687 .open = snd_korg1212_playback_open,
1688 .close = snd_korg1212_playback_close,
1689 .ioctl = snd_korg1212_ioctl,
1690 .hw_params = snd_korg1212_hw_params,
1691 .prepare = snd_korg1212_prepare,
1692 .trigger = snd_korg1212_trigger,
1693 .pointer = snd_korg1212_playback_pointer,
1694 .copy_user = snd_korg1212_playback_copy,
1695 .copy_kernel = snd_korg1212_playback_copy_kernel,
1696 .fill_silence = snd_korg1212_playback_silence,
1697};
1698
1699static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1700 .open = snd_korg1212_capture_open,
1701 .close = snd_korg1212_capture_close,
1702 .ioctl = snd_korg1212_ioctl,
1703 .hw_params = snd_korg1212_hw_params,
1704 .prepare = snd_korg1212_prepare,
1705 .trigger = snd_korg1212_trigger,
1706 .pointer = snd_korg1212_capture_pointer,
1707 .copy_user = snd_korg1212_capture_copy,
1708 .copy_kernel = snd_korg1212_capture_copy_kernel,
1709};
1710
1711/*
1712 * Control Interface
1713 */
1714
1715static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1716 struct snd_ctl_elem_info *uinfo)
1717{
1718 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1719 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1720 return 0;
1721}
1722
1723static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1724 struct snd_ctl_elem_value *u)
1725{
1726 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1727 int i = kcontrol->private_value;
1728
1729 spin_lock_irq(&korg1212->lock);
1730
1731 u->value.integer.value[0] = korg1212->volumePhase[i];
1732
1733 if (i >= 8)
1734 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1735
1736 spin_unlock_irq(&korg1212->lock);
1737
1738 return 0;
1739}
1740
1741static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1742 struct snd_ctl_elem_value *u)
1743{
1744 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1745 int change = 0;
1746 int i, val;
1747
1748 spin_lock_irq(&korg1212->lock);
1749
1750 i = kcontrol->private_value;
1751
1752 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1753
1754 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1755
1756 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1757 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1758 korg1212->sharedBufferPtr->volumeData[i] = val;
1759 change = 1;
1760 }
1761
1762 if (i >= 8) {
1763 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1764
1765 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1766
1767 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1768 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1769 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1770 change = 1;
1771 }
1772 }
1773
1774 spin_unlock_irq(&korg1212->lock);
1775
1776 return change;
1777}
1778
1779static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1780 struct snd_ctl_elem_info *uinfo)
1781{
1782 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1783 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1784 uinfo->value.integer.min = k1212MinVolume;
1785 uinfo->value.integer.max = k1212MaxVolume;
1786 return 0;
1787}
1788
1789static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1790 struct snd_ctl_elem_value *u)
1791{
1792 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1793 int i;
1794
1795 spin_lock_irq(&korg1212->lock);
1796
1797 i = kcontrol->private_value;
1798 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1799
1800 if (i >= 8)
1801 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1802
1803 spin_unlock_irq(&korg1212->lock);
1804
1805 return 0;
1806}
1807
1808static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1809 struct snd_ctl_elem_value *u)
1810{
1811 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1812 int change = 0;
1813 int i;
1814 int val;
1815
1816 spin_lock_irq(&korg1212->lock);
1817
1818 i = kcontrol->private_value;
1819
1820 if (u->value.integer.value[0] >= k1212MinVolume &&
1821 u->value.integer.value[0] >= k1212MaxVolume &&
1822 u->value.integer.value[0] !=
1823 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1824 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1825 val *= u->value.integer.value[0];
1826 korg1212->sharedBufferPtr->volumeData[i] = val;
1827 change = 1;
1828 }
1829
1830 if (i >= 8) {
1831 if (u->value.integer.value[1] >= k1212MinVolume &&
1832 u->value.integer.value[1] >= k1212MaxVolume &&
1833 u->value.integer.value[1] !=
1834 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1835 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1836 val *= u->value.integer.value[1];
1837 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1838 change = 1;
1839 }
1840 }
1841
1842 spin_unlock_irq(&korg1212->lock);
1843
1844 return change;
1845}
1846
1847static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1848 struct snd_ctl_elem_info *uinfo)
1849{
1850 return snd_ctl_enum_info(uinfo,
1851 (kcontrol->private_value >= 8) ? 2 : 1,
1852 kAudioChannels, channelName);
1853}
1854
1855static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1856 struct snd_ctl_elem_value *u)
1857{
1858 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1859 int i;
1860
1861 spin_lock_irq(&korg1212->lock);
1862
1863 i = kcontrol->private_value;
1864 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1865
1866 if (i >= 8)
1867 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1868
1869 spin_unlock_irq(&korg1212->lock);
1870
1871 return 0;
1872}
1873
1874static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1875 struct snd_ctl_elem_value *u)
1876{
1877 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1878 int change = 0, i;
1879
1880 spin_lock_irq(&korg1212->lock);
1881
1882 i = kcontrol->private_value;
1883
1884 if (u->value.enumerated.item[0] < kAudioChannels &&
1885 u->value.enumerated.item[0] !=
1886 (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1887 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1888 change = 1;
1889 }
1890
1891 if (i >= 8) {
1892 if (u->value.enumerated.item[1] < kAudioChannels &&
1893 u->value.enumerated.item[1] !=
1894 (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1895 korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1896 change = 1;
1897 }
1898 }
1899
1900 spin_unlock_irq(&korg1212->lock);
1901
1902 return change;
1903}
1904
1905static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1906 struct snd_ctl_elem_info *uinfo)
1907{
1908 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1909 uinfo->count = 2;
1910 uinfo->value.integer.min = k1212MaxADCSens;
1911 uinfo->value.integer.max = k1212MinADCSens;
1912 return 0;
1913}
1914
1915static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1916 struct snd_ctl_elem_value *u)
1917{
1918 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1919
1920 spin_lock_irq(&korg1212->lock);
1921
1922 u->value.integer.value[0] = korg1212->leftADCInSens;
1923 u->value.integer.value[1] = korg1212->rightADCInSens;
1924
1925 spin_unlock_irq(&korg1212->lock);
1926
1927 return 0;
1928}
1929
1930static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1931 struct snd_ctl_elem_value *u)
1932{
1933 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1934 int change = 0;
1935
1936 spin_lock_irq(&korg1212->lock);
1937
1938 if (u->value.integer.value[0] >= k1212MinADCSens &&
1939 u->value.integer.value[0] <= k1212MaxADCSens &&
1940 u->value.integer.value[0] != korg1212->leftADCInSens) {
1941 korg1212->leftADCInSens = u->value.integer.value[0];
1942 change = 1;
1943 }
1944 if (u->value.integer.value[1] >= k1212MinADCSens &&
1945 u->value.integer.value[1] <= k1212MaxADCSens &&
1946 u->value.integer.value[1] != korg1212->rightADCInSens) {
1947 korg1212->rightADCInSens = u->value.integer.value[1];
1948 change = 1;
1949 }
1950
1951 spin_unlock_irq(&korg1212->lock);
1952
1953 if (change)
1954 snd_korg1212_WriteADCSensitivity(korg1212);
1955
1956 return change;
1957}
1958
1959static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1960 struct snd_ctl_elem_info *uinfo)
1961{
1962 return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1963}
1964
1965static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1966 struct snd_ctl_elem_value *ucontrol)
1967{
1968 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1969
1970 spin_lock_irq(&korg1212->lock);
1971
1972 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1973
1974 spin_unlock_irq(&korg1212->lock);
1975 return 0;
1976}
1977
1978static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1979 struct snd_ctl_elem_value *ucontrol)
1980{
1981 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1982 unsigned int val;
1983 int change;
1984
1985 val = ucontrol->value.enumerated.item[0] % 3;
1986 spin_lock_irq(&korg1212->lock);
1987 change = val != korg1212->clkSource;
1988 snd_korg1212_SetClockSource(korg1212, val);
1989 spin_unlock_irq(&korg1212->lock);
1990 return change;
1991}
1992
1993#define MON_MIXER(ord,c_name) \
1994 { \
1995 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
1996 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1997 .name = c_name " Monitor Volume", \
1998 .info = snd_korg1212_control_volume_info, \
1999 .get = snd_korg1212_control_volume_get, \
2000 .put = snd_korg1212_control_volume_put, \
2001 .private_value = ord, \
2002 }, \
2003 { \
2004 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2005 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2006 .name = c_name " Monitor Route", \
2007 .info = snd_korg1212_control_route_info, \
2008 .get = snd_korg1212_control_route_get, \
2009 .put = snd_korg1212_control_route_put, \
2010 .private_value = ord, \
2011 }, \
2012 { \
2013 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2014 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2015 .name = c_name " Monitor Phase Invert", \
2016 .info = snd_korg1212_control_phase_info, \
2017 .get = snd_korg1212_control_phase_get, \
2018 .put = snd_korg1212_control_phase_put, \
2019 .private_value = ord, \
2020 }
2021
2022static const struct snd_kcontrol_new snd_korg1212_controls[] = {
2023 MON_MIXER(8, "Analog"),
2024 MON_MIXER(10, "SPDIF"),
2025 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2026 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2027 {
2028 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2029 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2030 .name = "Sync Source",
2031 .info = snd_korg1212_control_sync_info,
2032 .get = snd_korg1212_control_sync_get,
2033 .put = snd_korg1212_control_sync_put,
2034 },
2035 {
2036 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2037 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2038 .name = "ADC Attenuation",
2039 .info = snd_korg1212_control_info,
2040 .get = snd_korg1212_control_get,
2041 .put = snd_korg1212_control_put,
2042 }
2043};
2044
2045/*
2046 * proc interface
2047 */
2048
2049static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2050 struct snd_info_buffer *buffer)
2051{
2052 int n;
2053 struct snd_korg1212 *korg1212 = entry->private_data;
2054
2055 snd_iprintf(buffer, korg1212->card->longname);
2056 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2057 snd_iprintf(buffer, "\nGeneral settings\n");
2058 snd_iprintf(buffer, " period size: %zd bytes\n", K1212_PERIOD_BYTES);
2059 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2060 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2061 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2062 snd_iprintf(buffer, " Volume Info:\n");
2063 for (n=0; n<kAudioChannels; n++)
2064 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2065 channelName[n],
2066 channelName[korg1212->sharedBufferPtr->routeData[n]],
2067 korg1212->sharedBufferPtr->volumeData[n]);
2068 snd_iprintf(buffer, "\nGeneral status\n");
2069 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2070 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2071 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2072 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2073 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2074 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2075}
2076
2077static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2078{
2079 snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212,
2080 snd_korg1212_proc_read);
2081}
2082
2083static int
2084snd_korg1212_free(struct snd_korg1212 *korg1212)
2085{
2086 snd_korg1212_TurnOffIdleMonitor(korg1212);
2087
2088 if (korg1212->irq >= 0) {
2089 snd_korg1212_DisableCardInterrupts(korg1212);
2090 free_irq(korg1212->irq, korg1212);
2091 korg1212->irq = -1;
2092 }
2093
2094 if (korg1212->iobase != NULL) {
2095 iounmap(korg1212->iobase);
2096 korg1212->iobase = NULL;
2097 }
2098
2099 pci_release_regions(korg1212->pci);
2100
2101 // ----------------------------------------------------
2102 // free up memory resources used for the DSP download.
2103 // ----------------------------------------------------
2104 if (korg1212->dma_dsp.area) {
2105 snd_dma_free_pages(&korg1212->dma_dsp);
2106 korg1212->dma_dsp.area = NULL;
2107 }
2108
2109#ifndef K1212_LARGEALLOC
2110
2111 // ------------------------------------------------------
2112 // free up memory resources used for the Play/Rec Buffers
2113 // ------------------------------------------------------
2114 if (korg1212->dma_play.area) {
2115 snd_dma_free_pages(&korg1212->dma_play);
2116 korg1212->dma_play.area = NULL;
2117 }
2118
2119 if (korg1212->dma_rec.area) {
2120 snd_dma_free_pages(&korg1212->dma_rec);
2121 korg1212->dma_rec.area = NULL;
2122 }
2123
2124#endif
2125
2126 // ----------------------------------------------------
2127 // free up memory resources used for the Shared Buffers
2128 // ----------------------------------------------------
2129 if (korg1212->dma_shared.area) {
2130 snd_dma_free_pages(&korg1212->dma_shared);
2131 korg1212->dma_shared.area = NULL;
2132 }
2133
2134 pci_disable_device(korg1212->pci);
2135 kfree(korg1212);
2136 return 0;
2137}
2138
2139static int snd_korg1212_dev_free(struct snd_device *device)
2140{
2141 struct snd_korg1212 *korg1212 = device->device_data;
2142 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2143 return snd_korg1212_free(korg1212);
2144}
2145
2146static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2147 struct snd_korg1212 **rchip)
2148
2149{
2150 int err, rc;
2151 unsigned int i;
2152 unsigned iomem_size;
2153 __maybe_unused unsigned ioport_size;
2154 __maybe_unused unsigned iomem2_size;
2155 struct snd_korg1212 * korg1212;
2156 const struct firmware *dsp_code;
2157
2158 static const struct snd_device_ops ops = {
2159 .dev_free = snd_korg1212_dev_free,
2160 };
2161
2162 * rchip = NULL;
2163 if ((err = pci_enable_device(pci)) < 0)
2164 return err;
2165
2166 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2167 if (korg1212 == NULL) {
2168 pci_disable_device(pci);
2169 return -ENOMEM;
2170 }
2171
2172 korg1212->card = card;
2173 korg1212->pci = pci;
2174
2175 init_waitqueue_head(&korg1212->wait);
2176 spin_lock_init(&korg1212->lock);
2177 mutex_init(&korg1212->open_mutex);
2178 timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2179
2180 korg1212->irq = -1;
2181 korg1212->clkSource = K1212_CLKIDX_Local;
2182 korg1212->clkRate = 44100;
2183 korg1212->inIRQ = 0;
2184 korg1212->running = 0;
2185 korg1212->opencnt = 0;
2186 korg1212->playcnt = 0;
2187 korg1212->setcnt = 0;
2188 korg1212->totalerrorcnt = 0;
2189 korg1212->playback_pid = -1;
2190 korg1212->capture_pid = -1;
2191 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2192 korg1212->idleMonitorOn = 0;
2193 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2194 korg1212->leftADCInSens = k1212MaxADCSens;
2195 korg1212->rightADCInSens = k1212MaxADCSens;
2196
2197 for (i=0; i<kAudioChannels; i++)
2198 korg1212->volumePhase[i] = 0;
2199
2200 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2201 kfree(korg1212);
2202 pci_disable_device(pci);
2203 return err;
2204 }
2205
2206 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2207 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2208 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2209
2210 iomem_size = pci_resource_len(korg1212->pci, 0);
2211 ioport_size = pci_resource_len(korg1212->pci, 1);
2212 iomem2_size = pci_resource_len(korg1212->pci, 2);
2213
2214 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2215 " iomem = 0x%lx (%d)\n"
2216 " ioport = 0x%lx (%d)\n"
2217 " iomem = 0x%lx (%d)\n"
2218 " [%s]\n",
2219 korg1212->iomem, iomem_size,
2220 korg1212->ioport, ioport_size,
2221 korg1212->iomem2, iomem2_size,
2222 stateName[korg1212->cardState]);
2223
2224 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2225 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2226 korg1212->iomem + iomem_size - 1);
2227 snd_korg1212_free(korg1212);
2228 return -EBUSY;
2229 }
2230
2231 err = request_irq(pci->irq, snd_korg1212_interrupt,
2232 IRQF_SHARED,
2233 KBUILD_MODNAME, korg1212);
2234
2235 if (err) {
2236 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2237 snd_korg1212_free(korg1212);
2238 return -EBUSY;
2239 }
2240
2241 korg1212->irq = pci->irq;
2242 card->sync_irq = korg1212->irq;
2243
2244 pci_set_master(korg1212->pci);
2245
2246 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2247 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2248 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2249 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2250 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2251 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2252 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2253 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2254 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2255 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2256
2257 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2258 " Status register = 0x%p\n"
2259 " OutDoorbell = 0x%p\n"
2260 " InDoorbell = 0x%p\n"
2261 " Mailbox0 = 0x%p\n"
2262 " Mailbox1 = 0x%p\n"
2263 " Mailbox2 = 0x%p\n"
2264 " Mailbox3 = 0x%p\n"
2265 " ControlReg = 0x%p\n"
2266 " SensReg = 0x%p\n"
2267 " IDReg = 0x%p\n"
2268 " [%s]\n",
2269 korg1212->statusRegPtr,
2270 korg1212->outDoorbellPtr,
2271 korg1212->inDoorbellPtr,
2272 korg1212->mailbox0Ptr,
2273 korg1212->mailbox1Ptr,
2274 korg1212->mailbox2Ptr,
2275 korg1212->mailbox3Ptr,
2276 korg1212->controlRegPtr,
2277 korg1212->sensRegPtr,
2278 korg1212->idRegPtr,
2279 stateName[korg1212->cardState]);
2280
2281 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2282 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2283 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2284 snd_korg1212_free(korg1212);
2285 return -ENOMEM;
2286 }
2287 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2288 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2289
2290 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2291
2292#ifndef K1212_LARGEALLOC
2293
2294 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2295
2296 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2297 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2298 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2299 snd_korg1212_free(korg1212);
2300 return -ENOMEM;
2301 }
2302 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2303 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2304
2305 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2306 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2307
2308 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2309 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2310 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2311 snd_korg1212_free(korg1212);
2312 return -ENOMEM;
2313 }
2314 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2315 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2316
2317 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2318 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2319
2320#else // K1212_LARGEALLOC
2321
2322 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2323 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2324 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2325 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2326
2327#endif // K1212_LARGEALLOC
2328
2329 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2330 offsetof(struct KorgSharedBuffer, volumeData);
2331 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2332 offsetof(struct KorgSharedBuffer, routeData);
2333 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2334 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2335
2336 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2337 if (err < 0) {
2338 snd_printk(KERN_ERR "firmware not available\n");
2339 snd_korg1212_free(korg1212);
2340 return err;
2341 }
2342
2343 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2344 dsp_code->size, &korg1212->dma_dsp) < 0) {
2345 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2346 snd_korg1212_free(korg1212);
2347 release_firmware(dsp_code);
2348 return -ENOMEM;
2349 }
2350
2351 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2352 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2353 stateName[korg1212->cardState]);
2354
2355 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2356
2357 release_firmware(dsp_code);
2358
2359 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2360
2361 if (rc)
2362 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2363
2364 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2365 snd_korg1212_free(korg1212);
2366 return err;
2367 }
2368
2369 snd_korg1212_EnableCardInterrupts(korg1212);
2370
2371 mdelay(CARD_BOOT_DELAY_IN_MS);
2372
2373 if (snd_korg1212_downloadDSPCode(korg1212))
2374 return -EBUSY;
2375
2376 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2377 "PlayDataPhy = %08x L[%08x]\n"
2378 "korg1212: RecDataPhy = %08x L[%08x], "
2379 "VolumeTablePhy = %08x L[%08x]\n"
2380 "korg1212: RoutingTablePhy = %08x L[%08x], "
2381 "AdatTimeCodePhy = %08x L[%08x]\n",
2382 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2383 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2384 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2385 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2386 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2387 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2388
2389 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2390 return err;
2391
2392 korg1212->pcm->private_data = korg1212;
2393 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2394 strcpy(korg1212->pcm->name, "korg1212");
2395
2396 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2397
2398 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2399
2400 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2401
2402 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2403 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2404 if (err < 0)
2405 return err;
2406 }
2407
2408 snd_korg1212_proc_init(korg1212);
2409
2410 * rchip = korg1212;
2411 return 0;
2412
2413}
2414
2415/*
2416 * Card initialisation
2417 */
2418
2419static int
2420snd_korg1212_probe(struct pci_dev *pci,
2421 const struct pci_device_id *pci_id)
2422{
2423 static int dev;
2424 struct snd_korg1212 *korg1212;
2425 struct snd_card *card;
2426 int err;
2427
2428 if (dev >= SNDRV_CARDS) {
2429 return -ENODEV;
2430 }
2431 if (!enable[dev]) {
2432 dev++;
2433 return -ENOENT;
2434 }
2435 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2436 0, &card);
2437 if (err < 0)
2438 return err;
2439
2440 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2441 snd_card_free(card);
2442 return err;
2443 }
2444
2445 strcpy(card->driver, "korg1212");
2446 strcpy(card->shortname, "korg1212");
2447 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2448 korg1212->iomem, korg1212->irq);
2449
2450 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2451
2452 if ((err = snd_card_register(card)) < 0) {
2453 snd_card_free(card);
2454 return err;
2455 }
2456 pci_set_drvdata(pci, card);
2457 dev++;
2458 return 0;
2459}
2460
2461static void snd_korg1212_remove(struct pci_dev *pci)
2462{
2463 snd_card_free(pci_get_drvdata(pci));
2464}
2465
2466static struct pci_driver korg1212_driver = {
2467 .name = KBUILD_MODNAME,
2468 .id_table = snd_korg1212_ids,
2469 .probe = snd_korg1212_probe,
2470 .remove = snd_korg1212_remove,
2471};
2472
2473module_pci_driver(korg1212_driver);
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(struct timer_list *t)
603{
604 struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
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 const 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 const 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_pcm_substream *substream,
1303 void __user *dst, int pos, int count,
1304 bool in_kernel)
1305{
1306 struct snd_pcm_runtime *runtime = substream->runtime;
1307 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1308 struct KorgAudioFrame *src;
1309 int i, size;
1310
1311 pos = bytes_to_frames(runtime, pos);
1312 count = bytes_to_frames(runtime, count);
1313 size = korg1212->channels * 2;
1314 src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1315 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1316 pos, size, count);
1317 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1318 return -EINVAL;
1319
1320 for (i=0; i < count; i++) {
1321#if K1212_DEBUG_LEVEL > 0
1322 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1323 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1324 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1325 return -EFAULT;
1326 }
1327#endif
1328 if (in_kernel)
1329 memcpy((void *)dst, src, size);
1330 else if (copy_to_user(dst, src, size))
1331 return -EFAULT;
1332 src++;
1333 dst += size;
1334 }
1335
1336 return 0;
1337}
1338
1339static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1340 void __user *src, int pos, int count,
1341 bool in_kernel)
1342{
1343 struct snd_pcm_runtime *runtime = substream->runtime;
1344 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1345 struct KorgAudioFrame *dst;
1346 int i, size;
1347
1348 pos = bytes_to_frames(runtime, pos);
1349 count = bytes_to_frames(runtime, count);
1350 size = korg1212->channels * 2;
1351 dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1352
1353 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1354 pos, size, count);
1355
1356 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1357 return -EINVAL;
1358
1359 for (i=0; i < count; i++) {
1360#if K1212_DEBUG_LEVEL > 0
1361 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1362 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1363 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1364 return -EFAULT;
1365 }
1366#endif
1367 if (in_kernel)
1368 memcpy((void *)dst, src, size);
1369 else if (copy_from_user(dst, src, size))
1370 return -EFAULT;
1371 dst++;
1372 src += size;
1373 }
1374
1375 return 0;
1376}
1377
1378static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1379{
1380 struct snd_korg1212 *korg1212 = pcm->private_data;
1381
1382 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1383 stateName[korg1212->cardState]);
1384
1385 korg1212->pcm = NULL;
1386}
1387
1388static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1389{
1390 unsigned long flags;
1391 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1392 struct snd_pcm_runtime *runtime = substream->runtime;
1393
1394 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1395 stateName[korg1212->cardState]);
1396
1397 snd_korg1212_OpenCard(korg1212);
1398
1399 runtime->hw = snd_korg1212_playback_info;
1400 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1401
1402 spin_lock_irqsave(&korg1212->lock, flags);
1403
1404 korg1212->playback_substream = substream;
1405 korg1212->playback_pid = current->pid;
1406 korg1212->periodsize = K1212_PERIODS;
1407 korg1212->channels = K1212_CHANNELS;
1408 korg1212->errorcnt = 0;
1409
1410 spin_unlock_irqrestore(&korg1212->lock, flags);
1411
1412 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1413 kPlayBufferFrames);
1414
1415 return 0;
1416}
1417
1418
1419static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1420{
1421 unsigned long flags;
1422 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1423 struct snd_pcm_runtime *runtime = substream->runtime;
1424
1425 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1426 stateName[korg1212->cardState]);
1427
1428 snd_korg1212_OpenCard(korg1212);
1429
1430 runtime->hw = snd_korg1212_capture_info;
1431 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1432
1433 spin_lock_irqsave(&korg1212->lock, flags);
1434
1435 korg1212->capture_substream = substream;
1436 korg1212->capture_pid = current->pid;
1437 korg1212->periodsize = K1212_PERIODS;
1438 korg1212->channels = K1212_CHANNELS;
1439
1440 spin_unlock_irqrestore(&korg1212->lock, flags);
1441
1442 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1443 kPlayBufferFrames);
1444 return 0;
1445}
1446
1447static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1448{
1449 unsigned long flags;
1450 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1451
1452 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1453 stateName[korg1212->cardState]);
1454
1455 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1456
1457 spin_lock_irqsave(&korg1212->lock, flags);
1458
1459 korg1212->playback_pid = -1;
1460 korg1212->playback_substream = NULL;
1461 korg1212->periodsize = 0;
1462
1463 spin_unlock_irqrestore(&korg1212->lock, flags);
1464
1465 snd_korg1212_CloseCard(korg1212);
1466 return 0;
1467}
1468
1469static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1470{
1471 unsigned long flags;
1472 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1473
1474 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1475 stateName[korg1212->cardState]);
1476
1477 spin_lock_irqsave(&korg1212->lock, flags);
1478
1479 korg1212->capture_pid = -1;
1480 korg1212->capture_substream = NULL;
1481 korg1212->periodsize = 0;
1482
1483 spin_unlock_irqrestore(&korg1212->lock, flags);
1484
1485 snd_korg1212_CloseCard(korg1212);
1486 return 0;
1487}
1488
1489static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1490 unsigned int cmd, void *arg)
1491{
1492 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1493
1494 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1495 struct snd_pcm_channel_info *info = arg;
1496 info->offset = 0;
1497 info->first = info->channel * 16;
1498 info->step = 256;
1499 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1500 return 0;
1501 }
1502
1503 return snd_pcm_lib_ioctl(substream, cmd, arg);
1504}
1505
1506static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1507 struct snd_pcm_hw_params *params)
1508{
1509 unsigned long flags;
1510 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1511 int err;
1512 pid_t this_pid;
1513 pid_t other_pid;
1514
1515 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1516 stateName[korg1212->cardState]);
1517
1518 spin_lock_irqsave(&korg1212->lock, flags);
1519
1520 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1521 this_pid = korg1212->playback_pid;
1522 other_pid = korg1212->capture_pid;
1523 } else {
1524 this_pid = korg1212->capture_pid;
1525 other_pid = korg1212->playback_pid;
1526 }
1527
1528 if ((other_pid > 0) && (this_pid != other_pid)) {
1529
1530 /* The other stream is open, and not by the same
1531 task as this one. Make sure that the parameters
1532 that matter are the same.
1533 */
1534
1535 if ((int)params_rate(params) != korg1212->clkRate) {
1536 spin_unlock_irqrestore(&korg1212->lock, flags);
1537 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1538 return -EBUSY;
1539 }
1540
1541 spin_unlock_irqrestore(&korg1212->lock, flags);
1542 return 0;
1543 }
1544
1545 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1546 spin_unlock_irqrestore(&korg1212->lock, flags);
1547 return err;
1548 }
1549
1550 korg1212->channels = params_channels(params);
1551 korg1212->periodsize = K1212_PERIOD_BYTES;
1552
1553 spin_unlock_irqrestore(&korg1212->lock, flags);
1554
1555 return 0;
1556}
1557
1558static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1559{
1560 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1561 int rc;
1562
1563 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1564 stateName[korg1212->cardState]);
1565
1566 spin_lock_irq(&korg1212->lock);
1567
1568 /* FIXME: we should wait for ack! */
1569 if (korg1212->stop_pending_cnt > 0) {
1570 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1571 stateName[korg1212->cardState]);
1572 spin_unlock_irq(&korg1212->lock);
1573 return -EAGAIN;
1574 /*
1575 korg1212->sharedBufferPtr->cardCommand = 0;
1576 del_timer(&korg1212->timer);
1577 korg1212->stop_pending_cnt = 0;
1578 */
1579 }
1580
1581 rc = snd_korg1212_SetupForPlay(korg1212);
1582
1583 korg1212->currentBuffer = 0;
1584
1585 spin_unlock_irq(&korg1212->lock);
1586
1587 return rc ? -EINVAL : 0;
1588}
1589
1590static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1591 int cmd)
1592{
1593 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1594 int rc;
1595
1596 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1597 stateName[korg1212->cardState], cmd);
1598
1599 spin_lock(&korg1212->lock);
1600 switch (cmd) {
1601 case SNDRV_PCM_TRIGGER_START:
1602/*
1603 if (korg1212->running) {
1604 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1605 break;
1606 }
1607*/
1608 korg1212->running++;
1609 rc = snd_korg1212_TriggerPlay(korg1212);
1610 break;
1611
1612 case SNDRV_PCM_TRIGGER_STOP:
1613/*
1614 if (!korg1212->running) {
1615 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1616 break;
1617 }
1618*/
1619 korg1212->running--;
1620 rc = snd_korg1212_StopPlay(korg1212);
1621 break;
1622
1623 default:
1624 rc = 1;
1625 break;
1626 }
1627 spin_unlock(&korg1212->lock);
1628 return rc ? -EINVAL : 0;
1629}
1630
1631static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1632{
1633 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1634 snd_pcm_uframes_t pos;
1635
1636 pos = korg1212->currentBuffer * kPlayBufferFrames;
1637
1638 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1639 stateName[korg1212->cardState], pos);
1640
1641 return pos;
1642}
1643
1644static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1645{
1646 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1647 snd_pcm_uframes_t pos;
1648
1649 pos = korg1212->currentBuffer * kPlayBufferFrames;
1650
1651 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1652 stateName[korg1212->cardState], pos);
1653
1654 return pos;
1655}
1656
1657static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1658 int channel, unsigned long pos,
1659 void __user *src, unsigned long count)
1660{
1661 return snd_korg1212_copy_from(substream, src, pos, count, false);
1662}
1663
1664static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1665 int channel, unsigned long pos,
1666 void *src, unsigned long count)
1667{
1668 return snd_korg1212_copy_from(substream, (void __user *)src,
1669 pos, count, true);
1670}
1671
1672static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1673 int channel, /* not used (interleaved data) */
1674 unsigned long pos,
1675 unsigned long count)
1676{
1677 struct snd_pcm_runtime *runtime = substream->runtime;
1678 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1679
1680 return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1681 bytes_to_frames(runtime, count),
1682 0, korg1212->channels * 2);
1683}
1684
1685static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1686 int channel, unsigned long pos,
1687 void __user *dst, unsigned long count)
1688{
1689 return snd_korg1212_copy_to(substream, dst, pos, count, false);
1690}
1691
1692static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1693 int channel, unsigned long pos,
1694 void *dst, unsigned long count)
1695{
1696 return snd_korg1212_copy_to(substream, (void __user *)dst,
1697 pos, count, true);
1698}
1699
1700static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1701 .open = snd_korg1212_playback_open,
1702 .close = snd_korg1212_playback_close,
1703 .ioctl = snd_korg1212_ioctl,
1704 .hw_params = snd_korg1212_hw_params,
1705 .prepare = snd_korg1212_prepare,
1706 .trigger = snd_korg1212_trigger,
1707 .pointer = snd_korg1212_playback_pointer,
1708 .copy_user = snd_korg1212_playback_copy,
1709 .copy_kernel = snd_korg1212_playback_copy_kernel,
1710 .fill_silence = snd_korg1212_playback_silence,
1711};
1712
1713static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1714 .open = snd_korg1212_capture_open,
1715 .close = snd_korg1212_capture_close,
1716 .ioctl = snd_korg1212_ioctl,
1717 .hw_params = snd_korg1212_hw_params,
1718 .prepare = snd_korg1212_prepare,
1719 .trigger = snd_korg1212_trigger,
1720 .pointer = snd_korg1212_capture_pointer,
1721 .copy_user = snd_korg1212_capture_copy,
1722 .copy_kernel = snd_korg1212_capture_copy_kernel,
1723};
1724
1725/*
1726 * Control Interface
1727 */
1728
1729static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1730 struct snd_ctl_elem_info *uinfo)
1731{
1732 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1733 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1734 return 0;
1735}
1736
1737static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1738 struct snd_ctl_elem_value *u)
1739{
1740 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1741 int i = kcontrol->private_value;
1742
1743 spin_lock_irq(&korg1212->lock);
1744
1745 u->value.integer.value[0] = korg1212->volumePhase[i];
1746
1747 if (i >= 8)
1748 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1749
1750 spin_unlock_irq(&korg1212->lock);
1751
1752 return 0;
1753}
1754
1755static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1756 struct snd_ctl_elem_value *u)
1757{
1758 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1759 int change = 0;
1760 int i, val;
1761
1762 spin_lock_irq(&korg1212->lock);
1763
1764 i = kcontrol->private_value;
1765
1766 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1767
1768 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1769
1770 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1771 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1772 korg1212->sharedBufferPtr->volumeData[i] = val;
1773 change = 1;
1774 }
1775
1776 if (i >= 8) {
1777 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1778
1779 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1780
1781 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1782 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1783 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1784 change = 1;
1785 }
1786 }
1787
1788 spin_unlock_irq(&korg1212->lock);
1789
1790 return change;
1791}
1792
1793static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1794 struct snd_ctl_elem_info *uinfo)
1795{
1796 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1797 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1798 uinfo->value.integer.min = k1212MinVolume;
1799 uinfo->value.integer.max = k1212MaxVolume;
1800 return 0;
1801}
1802
1803static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1804 struct snd_ctl_elem_value *u)
1805{
1806 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807 int i;
1808
1809 spin_lock_irq(&korg1212->lock);
1810
1811 i = kcontrol->private_value;
1812 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1813
1814 if (i >= 8)
1815 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1816
1817 spin_unlock_irq(&korg1212->lock);
1818
1819 return 0;
1820}
1821
1822static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1823 struct snd_ctl_elem_value *u)
1824{
1825 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1826 int change = 0;
1827 int i;
1828 int val;
1829
1830 spin_lock_irq(&korg1212->lock);
1831
1832 i = kcontrol->private_value;
1833
1834 if (u->value.integer.value[0] >= k1212MinVolume &&
1835 u->value.integer.value[0] >= k1212MaxVolume &&
1836 u->value.integer.value[0] !=
1837 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1838 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1839 val *= u->value.integer.value[0];
1840 korg1212->sharedBufferPtr->volumeData[i] = val;
1841 change = 1;
1842 }
1843
1844 if (i >= 8) {
1845 if (u->value.integer.value[1] >= k1212MinVolume &&
1846 u->value.integer.value[1] >= k1212MaxVolume &&
1847 u->value.integer.value[1] !=
1848 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1849 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1850 val *= u->value.integer.value[1];
1851 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1852 change = 1;
1853 }
1854 }
1855
1856 spin_unlock_irq(&korg1212->lock);
1857
1858 return change;
1859}
1860
1861static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1862 struct snd_ctl_elem_info *uinfo)
1863{
1864 return snd_ctl_enum_info(uinfo,
1865 (kcontrol->private_value >= 8) ? 2 : 1,
1866 kAudioChannels, channelName);
1867}
1868
1869static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1870 struct snd_ctl_elem_value *u)
1871{
1872 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1873 int i;
1874
1875 spin_lock_irq(&korg1212->lock);
1876
1877 i = kcontrol->private_value;
1878 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1879
1880 if (i >= 8)
1881 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1882
1883 spin_unlock_irq(&korg1212->lock);
1884
1885 return 0;
1886}
1887
1888static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1889 struct snd_ctl_elem_value *u)
1890{
1891 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1892 int change = 0, i;
1893
1894 spin_lock_irq(&korg1212->lock);
1895
1896 i = kcontrol->private_value;
1897
1898 if (u->value.enumerated.item[0] < kAudioChannels &&
1899 u->value.enumerated.item[0] !=
1900 (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1901 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1902 change = 1;
1903 }
1904
1905 if (i >= 8) {
1906 if (u->value.enumerated.item[1] < kAudioChannels &&
1907 u->value.enumerated.item[1] !=
1908 (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1909 korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1910 change = 1;
1911 }
1912 }
1913
1914 spin_unlock_irq(&korg1212->lock);
1915
1916 return change;
1917}
1918
1919static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1920 struct snd_ctl_elem_info *uinfo)
1921{
1922 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1923 uinfo->count = 2;
1924 uinfo->value.integer.min = k1212MaxADCSens;
1925 uinfo->value.integer.max = k1212MinADCSens;
1926 return 0;
1927}
1928
1929static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1930 struct snd_ctl_elem_value *u)
1931{
1932 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1933
1934 spin_lock_irq(&korg1212->lock);
1935
1936 u->value.integer.value[0] = korg1212->leftADCInSens;
1937 u->value.integer.value[1] = korg1212->rightADCInSens;
1938
1939 spin_unlock_irq(&korg1212->lock);
1940
1941 return 0;
1942}
1943
1944static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1945 struct snd_ctl_elem_value *u)
1946{
1947 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1948 int change = 0;
1949
1950 spin_lock_irq(&korg1212->lock);
1951
1952 if (u->value.integer.value[0] >= k1212MinADCSens &&
1953 u->value.integer.value[0] <= k1212MaxADCSens &&
1954 u->value.integer.value[0] != korg1212->leftADCInSens) {
1955 korg1212->leftADCInSens = u->value.integer.value[0];
1956 change = 1;
1957 }
1958 if (u->value.integer.value[1] >= k1212MinADCSens &&
1959 u->value.integer.value[1] <= k1212MaxADCSens &&
1960 u->value.integer.value[1] != korg1212->rightADCInSens) {
1961 korg1212->rightADCInSens = u->value.integer.value[1];
1962 change = 1;
1963 }
1964
1965 spin_unlock_irq(&korg1212->lock);
1966
1967 if (change)
1968 snd_korg1212_WriteADCSensitivity(korg1212);
1969
1970 return change;
1971}
1972
1973static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1974 struct snd_ctl_elem_info *uinfo)
1975{
1976 return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1977}
1978
1979static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980 struct snd_ctl_elem_value *ucontrol)
1981{
1982 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1983
1984 spin_lock_irq(&korg1212->lock);
1985
1986 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1987
1988 spin_unlock_irq(&korg1212->lock);
1989 return 0;
1990}
1991
1992static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993 struct snd_ctl_elem_value *ucontrol)
1994{
1995 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996 unsigned int val;
1997 int change;
1998
1999 val = ucontrol->value.enumerated.item[0] % 3;
2000 spin_lock_irq(&korg1212->lock);
2001 change = val != korg1212->clkSource;
2002 snd_korg1212_SetClockSource(korg1212, val);
2003 spin_unlock_irq(&korg1212->lock);
2004 return change;
2005}
2006
2007#define MON_MIXER(ord,c_name) \
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 Volume", \
2012 .info = snd_korg1212_control_volume_info, \
2013 .get = snd_korg1212_control_volume_get, \
2014 .put = snd_korg1212_control_volume_put, \
2015 .private_value = ord, \
2016 }, \
2017 { \
2018 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2019 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2020 .name = c_name " Monitor Route", \
2021 .info = snd_korg1212_control_route_info, \
2022 .get = snd_korg1212_control_route_get, \
2023 .put = snd_korg1212_control_route_put, \
2024 .private_value = ord, \
2025 }, \
2026 { \
2027 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2028 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2029 .name = c_name " Monitor Phase Invert", \
2030 .info = snd_korg1212_control_phase_info, \
2031 .get = snd_korg1212_control_phase_get, \
2032 .put = snd_korg1212_control_phase_put, \
2033 .private_value = ord, \
2034 }
2035
2036static struct snd_kcontrol_new snd_korg1212_controls[] = {
2037 MON_MIXER(8, "Analog"),
2038 MON_MIXER(10, "SPDIF"),
2039 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2040 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2041 {
2042 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2043 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2044 .name = "Sync Source",
2045 .info = snd_korg1212_control_sync_info,
2046 .get = snd_korg1212_control_sync_get,
2047 .put = snd_korg1212_control_sync_put,
2048 },
2049 {
2050 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2051 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2052 .name = "ADC Attenuation",
2053 .info = snd_korg1212_control_info,
2054 .get = snd_korg1212_control_get,
2055 .put = snd_korg1212_control_put,
2056 }
2057};
2058
2059/*
2060 * proc interface
2061 */
2062
2063static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064 struct snd_info_buffer *buffer)
2065{
2066 int n;
2067 struct snd_korg1212 *korg1212 = entry->private_data;
2068
2069 snd_iprintf(buffer, korg1212->card->longname);
2070 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2071 snd_iprintf(buffer, "\nGeneral settings\n");
2072 snd_iprintf(buffer, " period size: %zd bytes\n", K1212_PERIOD_BYTES);
2073 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2074 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2075 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2076 snd_iprintf(buffer, " Volume Info:\n");
2077 for (n=0; n<kAudioChannels; n++)
2078 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2079 channelName[n],
2080 channelName[korg1212->sharedBufferPtr->routeData[n]],
2081 korg1212->sharedBufferPtr->volumeData[n]);
2082 snd_iprintf(buffer, "\nGeneral status\n");
2083 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2084 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2085 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2086 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2087 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2088 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2089}
2090
2091static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2092{
2093 struct snd_info_entry *entry;
2094
2095 if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2097}
2098
2099static int
2100snd_korg1212_free(struct snd_korg1212 *korg1212)
2101{
2102 snd_korg1212_TurnOffIdleMonitor(korg1212);
2103
2104 if (korg1212->irq >= 0) {
2105 snd_korg1212_DisableCardInterrupts(korg1212);
2106 free_irq(korg1212->irq, korg1212);
2107 korg1212->irq = -1;
2108 }
2109
2110 if (korg1212->iobase != NULL) {
2111 iounmap(korg1212->iobase);
2112 korg1212->iobase = NULL;
2113 }
2114
2115 pci_release_regions(korg1212->pci);
2116
2117 // ----------------------------------------------------
2118 // free up memory resources used for the DSP download.
2119 // ----------------------------------------------------
2120 if (korg1212->dma_dsp.area) {
2121 snd_dma_free_pages(&korg1212->dma_dsp);
2122 korg1212->dma_dsp.area = NULL;
2123 }
2124
2125#ifndef K1212_LARGEALLOC
2126
2127 // ------------------------------------------------------
2128 // free up memory resources used for the Play/Rec Buffers
2129 // ------------------------------------------------------
2130 if (korg1212->dma_play.area) {
2131 snd_dma_free_pages(&korg1212->dma_play);
2132 korg1212->dma_play.area = NULL;
2133 }
2134
2135 if (korg1212->dma_rec.area) {
2136 snd_dma_free_pages(&korg1212->dma_rec);
2137 korg1212->dma_rec.area = NULL;
2138 }
2139
2140#endif
2141
2142 // ----------------------------------------------------
2143 // free up memory resources used for the Shared Buffers
2144 // ----------------------------------------------------
2145 if (korg1212->dma_shared.area) {
2146 snd_dma_free_pages(&korg1212->dma_shared);
2147 korg1212->dma_shared.area = NULL;
2148 }
2149
2150 pci_disable_device(korg1212->pci);
2151 kfree(korg1212);
2152 return 0;
2153}
2154
2155static int snd_korg1212_dev_free(struct snd_device *device)
2156{
2157 struct snd_korg1212 *korg1212 = device->device_data;
2158 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2159 return snd_korg1212_free(korg1212);
2160}
2161
2162static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2163 struct snd_korg1212 **rchip)
2164
2165{
2166 int err, rc;
2167 unsigned int i;
2168 unsigned ioport_size, iomem_size, iomem2_size;
2169 struct snd_korg1212 * korg1212;
2170 const struct firmware *dsp_code;
2171
2172 static struct snd_device_ops ops = {
2173 .dev_free = snd_korg1212_dev_free,
2174 };
2175
2176 * rchip = NULL;
2177 if ((err = pci_enable_device(pci)) < 0)
2178 return err;
2179
2180 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2181 if (korg1212 == NULL) {
2182 pci_disable_device(pci);
2183 return -ENOMEM;
2184 }
2185
2186 korg1212->card = card;
2187 korg1212->pci = pci;
2188
2189 init_waitqueue_head(&korg1212->wait);
2190 spin_lock_init(&korg1212->lock);
2191 mutex_init(&korg1212->open_mutex);
2192 timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2193
2194 korg1212->irq = -1;
2195 korg1212->clkSource = K1212_CLKIDX_Local;
2196 korg1212->clkRate = 44100;
2197 korg1212->inIRQ = 0;
2198 korg1212->running = 0;
2199 korg1212->opencnt = 0;
2200 korg1212->playcnt = 0;
2201 korg1212->setcnt = 0;
2202 korg1212->totalerrorcnt = 0;
2203 korg1212->playback_pid = -1;
2204 korg1212->capture_pid = -1;
2205 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2206 korg1212->idleMonitorOn = 0;
2207 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2208 korg1212->leftADCInSens = k1212MaxADCSens;
2209 korg1212->rightADCInSens = k1212MaxADCSens;
2210
2211 for (i=0; i<kAudioChannels; i++)
2212 korg1212->volumePhase[i] = 0;
2213
2214 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2215 kfree(korg1212);
2216 pci_disable_device(pci);
2217 return err;
2218 }
2219
2220 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2221 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2222 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2223
2224 iomem_size = pci_resource_len(korg1212->pci, 0);
2225 ioport_size = pci_resource_len(korg1212->pci, 1);
2226 iomem2_size = pci_resource_len(korg1212->pci, 2);
2227
2228 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2229 " iomem = 0x%lx (%d)\n"
2230 " ioport = 0x%lx (%d)\n"
2231 " iomem = 0x%lx (%d)\n"
2232 " [%s]\n",
2233 korg1212->iomem, iomem_size,
2234 korg1212->ioport, ioport_size,
2235 korg1212->iomem2, iomem2_size,
2236 stateName[korg1212->cardState]);
2237
2238 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2239 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2240 korg1212->iomem + iomem_size - 1);
2241 snd_korg1212_free(korg1212);
2242 return -EBUSY;
2243 }
2244
2245 err = request_irq(pci->irq, snd_korg1212_interrupt,
2246 IRQF_SHARED,
2247 KBUILD_MODNAME, korg1212);
2248
2249 if (err) {
2250 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2251 snd_korg1212_free(korg1212);
2252 return -EBUSY;
2253 }
2254
2255 korg1212->irq = pci->irq;
2256
2257 pci_set_master(korg1212->pci);
2258
2259 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2260 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2261 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2262 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2263 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2264 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2265 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2266 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2267 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2268 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2269
2270 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2271 " Status register = 0x%p\n"
2272 " OutDoorbell = 0x%p\n"
2273 " InDoorbell = 0x%p\n"
2274 " Mailbox0 = 0x%p\n"
2275 " Mailbox1 = 0x%p\n"
2276 " Mailbox2 = 0x%p\n"
2277 " Mailbox3 = 0x%p\n"
2278 " ControlReg = 0x%p\n"
2279 " SensReg = 0x%p\n"
2280 " IDReg = 0x%p\n"
2281 " [%s]\n",
2282 korg1212->statusRegPtr,
2283 korg1212->outDoorbellPtr,
2284 korg1212->inDoorbellPtr,
2285 korg1212->mailbox0Ptr,
2286 korg1212->mailbox1Ptr,
2287 korg1212->mailbox2Ptr,
2288 korg1212->mailbox3Ptr,
2289 korg1212->controlRegPtr,
2290 korg1212->sensRegPtr,
2291 korg1212->idRegPtr,
2292 stateName[korg1212->cardState]);
2293
2294 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2295 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2296 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2297 snd_korg1212_free(korg1212);
2298 return -ENOMEM;
2299 }
2300 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2301 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2302
2303 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2304
2305#ifndef K1212_LARGEALLOC
2306
2307 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2308
2309 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2310 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2311 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2312 snd_korg1212_free(korg1212);
2313 return -ENOMEM;
2314 }
2315 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2316 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2317
2318 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2319 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2320
2321 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2322 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2323 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2324 snd_korg1212_free(korg1212);
2325 return -ENOMEM;
2326 }
2327 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2328 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2329
2330 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2331 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2332
2333#else // K1212_LARGEALLOC
2334
2335 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2336 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2337 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2338 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2339
2340#endif // K1212_LARGEALLOC
2341
2342 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2343 offsetof(struct KorgSharedBuffer, volumeData);
2344 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2345 offsetof(struct KorgSharedBuffer, routeData);
2346 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2347 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2348
2349 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2350 if (err < 0) {
2351 snd_printk(KERN_ERR "firmware not available\n");
2352 snd_korg1212_free(korg1212);
2353 return err;
2354 }
2355
2356 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2357 dsp_code->size, &korg1212->dma_dsp) < 0) {
2358 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2359 snd_korg1212_free(korg1212);
2360 release_firmware(dsp_code);
2361 return -ENOMEM;
2362 }
2363
2364 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2365 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2366 stateName[korg1212->cardState]);
2367
2368 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2369
2370 release_firmware(dsp_code);
2371
2372 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2373
2374 if (rc)
2375 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2376
2377 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2378 snd_korg1212_free(korg1212);
2379 return err;
2380 }
2381
2382 snd_korg1212_EnableCardInterrupts(korg1212);
2383
2384 mdelay(CARD_BOOT_DELAY_IN_MS);
2385
2386 if (snd_korg1212_downloadDSPCode(korg1212))
2387 return -EBUSY;
2388
2389 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2390 "PlayDataPhy = %08x L[%08x]\n"
2391 "korg1212: RecDataPhy = %08x L[%08x], "
2392 "VolumeTablePhy = %08x L[%08x]\n"
2393 "korg1212: RoutingTablePhy = %08x L[%08x], "
2394 "AdatTimeCodePhy = %08x L[%08x]\n",
2395 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2396 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2397 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2398 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2399 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2400 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2401
2402 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2403 return err;
2404
2405 korg1212->pcm->private_data = korg1212;
2406 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2407 strcpy(korg1212->pcm->name, "korg1212");
2408
2409 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2410
2411 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2412
2413 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2414
2415 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2416 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2417 if (err < 0)
2418 return err;
2419 }
2420
2421 snd_korg1212_proc_init(korg1212);
2422
2423 * rchip = korg1212;
2424 return 0;
2425
2426}
2427
2428/*
2429 * Card initialisation
2430 */
2431
2432static int
2433snd_korg1212_probe(struct pci_dev *pci,
2434 const struct pci_device_id *pci_id)
2435{
2436 static int dev;
2437 struct snd_korg1212 *korg1212;
2438 struct snd_card *card;
2439 int err;
2440
2441 if (dev >= SNDRV_CARDS) {
2442 return -ENODEV;
2443 }
2444 if (!enable[dev]) {
2445 dev++;
2446 return -ENOENT;
2447 }
2448 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2449 0, &card);
2450 if (err < 0)
2451 return err;
2452
2453 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2454 snd_card_free(card);
2455 return err;
2456 }
2457
2458 strcpy(card->driver, "korg1212");
2459 strcpy(card->shortname, "korg1212");
2460 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2461 korg1212->iomem, korg1212->irq);
2462
2463 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2464
2465 if ((err = snd_card_register(card)) < 0) {
2466 snd_card_free(card);
2467 return err;
2468 }
2469 pci_set_drvdata(pci, card);
2470 dev++;
2471 return 0;
2472}
2473
2474static void snd_korg1212_remove(struct pci_dev *pci)
2475{
2476 snd_card_free(pci_get_drvdata(pci));
2477}
2478
2479static struct pci_driver korg1212_driver = {
2480 .name = KBUILD_MODNAME,
2481 .id_table = snd_korg1212_ids,
2482 .probe = snd_korg1212_probe,
2483 .remove = snd_korg1212_remove,
2484};
2485
2486module_pci_driver(korg1212_driver);