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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// 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_FIRMWARE("korg/k1212.dsp");
392
393static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
394static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
395static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
396
397module_param_array(index, int, NULL, 0444);
398MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
399module_param_array(id, charp, NULL, 0444);
400MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
401module_param_array(enable, bool, NULL, 0444);
402MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
403MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
404
405static const struct pci_device_id snd_korg1212_ids[] = {
406 {
407 .vendor = 0x10b5,
408 .device = 0x906d,
409 .subvendor = PCI_ANY_ID,
410 .subdevice = PCI_ANY_ID,
411 },
412 { 0, },
413};
414
415MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
416
417static const char * const stateName[] = {
418 "Non-existent",
419 "Uninitialized",
420 "DSP download in process",
421 "DSP download complete",
422 "Ready",
423 "Open",
424 "Setup for play",
425 "Playing",
426 "Monitor mode on",
427 "Calibrating",
428 "Invalid"
429};
430
431static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
432
433static const char * const clockSourceName[] = {
434 "ADAT at 44.1 kHz",
435 "ADAT at 48 kHz",
436 "S/PDIF at 44.1 kHz",
437 "S/PDIF at 48 kHz",
438 "local clock at 44.1 kHz",
439 "local clock at 48 kHz"
440};
441
442static const char * const channelName[] = {
443 "ADAT-1",
444 "ADAT-2",
445 "ADAT-3",
446 "ADAT-4",
447 "ADAT-5",
448 "ADAT-6",
449 "ADAT-7",
450 "ADAT-8",
451 "Analog-L",
452 "Analog-R",
453 "SPDIF-L",
454 "SPDIF-R",
455};
456
457static const u16 ClockSourceSelector[] = {
458 0x8000, // selects source as ADAT at 44.1 kHz
459 0x0000, // selects source as ADAT at 48 kHz
460 0x8001, // selects source as S/PDIF at 44.1 kHz
461 0x0001, // selects source as S/PDIF at 48 kHz
462 0x8002, // selects source as local clock at 44.1 kHz
463 0x0002 // selects source as local clock at 48 kHz
464};
465
466union swap_u32 { unsigned char c[4]; u32 i; };
467
468#ifdef SNDRV_BIG_ENDIAN
469static u32 LowerWordSwap(u32 swappee)
470#else
471static u32 UpperWordSwap(u32 swappee)
472#endif
473{
474 union swap_u32 retVal, swapper;
475
476 swapper.i = swappee;
477 retVal.c[2] = swapper.c[3];
478 retVal.c[3] = swapper.c[2];
479 retVal.c[1] = swapper.c[1];
480 retVal.c[0] = swapper.c[0];
481
482 return retVal.i;
483}
484
485#ifdef SNDRV_BIG_ENDIAN
486static u32 UpperWordSwap(u32 swappee)
487#else
488static u32 LowerWordSwap(u32 swappee)
489#endif
490{
491 union swap_u32 retVal, swapper;
492
493 swapper.i = swappee;
494 retVal.c[2] = swapper.c[2];
495 retVal.c[3] = swapper.c[3];
496 retVal.c[1] = swapper.c[0];
497 retVal.c[0] = swapper.c[1];
498
499 return retVal.i;
500}
501
502#define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
503#define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
504#define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
505#define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
506
507static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
508 enum korg1212_dbcnst doorbellVal,
509 u32 mailBox0Val, u32 mailBox1Val,
510 u32 mailBox2Val, u32 mailBox3Val)
511{
512 u32 retryCount;
513 u16 mailBox3Lo;
514 int rc = K1212_CMDRET_Success;
515
516 if (!korg1212->outDoorbellPtr) {
517 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
518 return K1212_CMDRET_CardUninitialized;
519 }
520
521 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
522 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
523 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
524 writel(mailBox3Val, korg1212->mailbox3Ptr);
525 writel(mailBox2Val, korg1212->mailbox2Ptr);
526 writel(mailBox1Val, korg1212->mailbox1Ptr);
527 writel(mailBox0Val, korg1212->mailbox0Ptr);
528 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
529
530 // --------------------------------------------------------------
531 // the reboot command will not give an acknowledgement.
532 // --------------------------------------------------------------
533 if ( doorbellVal == K1212_DB_RebootCard ||
534 doorbellVal == K1212_DB_BootFromDSPPage4 ||
535 doorbellVal == K1212_DB_StartDSPDownload ) {
536 rc = K1212_CMDRET_Success;
537 break;
538 }
539
540 // --------------------------------------------------------------
541 // See if the card acknowledged the command. Wait a bit, then
542 // read in the low word of mailbox3. If the MSB is set and the
543 // low byte is equal to the doorbell value, then it ack'd.
544 // --------------------------------------------------------------
545 udelay(COMMAND_ACK_DELAY);
546 mailBox3Lo = readl(korg1212->mailbox3Ptr);
547 if (mailBox3Lo & COMMAND_ACK_MASK) {
548 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
549 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
550 rc = K1212_CMDRET_Success;
551 break;
552 }
553 }
554 }
555 korg1212->cmdRetryCount += retryCount;
556
557 if (retryCount >= MAX_COMMAND_RETRIES) {
558 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
559 rc = K1212_CMDRET_NoAckFromCard;
560 }
561
562 return rc;
563}
564
565/* spinlock already held */
566static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
567{
568 if (! korg1212->stop_pending_cnt) {
569 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
570 /* program the timer */
571 korg1212->stop_pending_cnt = HZ;
572 mod_timer(&korg1212->timer, jiffies + 1);
573 }
574}
575
576static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
577{
578 unsigned long flags;
579 spin_lock_irqsave(&korg1212->lock, flags);
580 korg1212->dsp_stop_is_processed = 0;
581 snd_korg1212_SendStop(korg1212);
582 spin_unlock_irqrestore(&korg1212->lock, flags);
583 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
584}
585
586/* timer callback for checking the ack of stop request */
587static void snd_korg1212_timer_func(struct timer_list *t)
588{
589 struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
590 unsigned long flags;
591
592 spin_lock_irqsave(&korg1212->lock, flags);
593 if (korg1212->sharedBufferPtr->cardCommand == 0) {
594 /* ack'ed */
595 korg1212->stop_pending_cnt = 0;
596 korg1212->dsp_stop_is_processed = 1;
597 wake_up(&korg1212->wait);
598 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
599 stateName[korg1212->cardState]);
600 } else {
601 if (--korg1212->stop_pending_cnt > 0) {
602 /* reprogram timer */
603 mod_timer(&korg1212->timer, jiffies + 1);
604 } else {
605 snd_printd("korg1212_timer_func timeout\n");
606 korg1212->sharedBufferPtr->cardCommand = 0;
607 korg1212->dsp_stop_is_processed = 1;
608 wake_up(&korg1212->wait);
609 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
610 stateName[korg1212->cardState]);
611 }
612 }
613 spin_unlock_irqrestore(&korg1212->lock, flags);
614}
615
616static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
617{
618 unsigned long flags;
619 int rc;
620
621 udelay(INTERCOMMAND_DELAY);
622 spin_lock_irqsave(&korg1212->lock, flags);
623 korg1212->idleMonitorOn = 1;
624 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
625 K1212_MODE_MonitorOn, 0, 0, 0);
626 spin_unlock_irqrestore(&korg1212->lock, flags);
627 return rc;
628}
629
630static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
631{
632 if (korg1212->idleMonitorOn) {
633 snd_korg1212_SendStopAndWait(korg1212);
634 korg1212->idleMonitorOn = 0;
635 }
636}
637
638static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
639{
640 korg1212->cardState = csState;
641}
642
643static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
644{
645 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
646 stateName[korg1212->cardState], korg1212->opencnt);
647 mutex_lock(&korg1212->open_mutex);
648 if (korg1212->opencnt++ == 0) {
649 snd_korg1212_TurnOffIdleMonitor(korg1212);
650 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
651 }
652
653 mutex_unlock(&korg1212->open_mutex);
654 return 1;
655}
656
657static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
658{
659 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
660 stateName[korg1212->cardState], korg1212->opencnt);
661
662 mutex_lock(&korg1212->open_mutex);
663 if (--(korg1212->opencnt)) {
664 mutex_unlock(&korg1212->open_mutex);
665 return 0;
666 }
667
668 if (korg1212->cardState == K1212_STATE_SETUP) {
669 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
670 K1212_MODE_StopPlay, 0, 0, 0);
671 if (rc)
672 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
673 rc, stateName[korg1212->cardState]);
674 if (rc != K1212_CMDRET_Success) {
675 mutex_unlock(&korg1212->open_mutex);
676 return 0;
677 }
678 } else if (korg1212->cardState > K1212_STATE_SETUP) {
679 snd_korg1212_SendStopAndWait(korg1212);
680 }
681
682 if (korg1212->cardState > K1212_STATE_READY) {
683 snd_korg1212_TurnOnIdleMonitor(korg1212);
684 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
685 }
686
687 mutex_unlock(&korg1212->open_mutex);
688 return 0;
689}
690
691/* spinlock already held */
692static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
693{
694 int rc;
695
696 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
697 stateName[korg1212->cardState], korg1212->setcnt);
698
699 if (korg1212->setcnt++)
700 return 0;
701
702 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
703 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
704 K1212_MODE_SetupPlay, 0, 0, 0);
705 if (rc)
706 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
707 rc, stateName[korg1212->cardState]);
708 if (rc != K1212_CMDRET_Success) {
709 return 1;
710 }
711 return 0;
712}
713
714/* spinlock already held */
715static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
716{
717 int rc;
718
719 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
720 stateName[korg1212->cardState], korg1212->playcnt);
721
722 if (korg1212->playcnt++)
723 return 0;
724
725 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
726 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
727 if (rc)
728 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
729 rc, stateName[korg1212->cardState]);
730 if (rc != K1212_CMDRET_Success) {
731 return 1;
732 }
733 return 0;
734}
735
736/* spinlock already held */
737static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
738{
739 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
740 stateName[korg1212->cardState], korg1212->playcnt);
741
742 if (--(korg1212->playcnt))
743 return 0;
744
745 korg1212->setcnt = 0;
746
747 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
748 snd_korg1212_SendStop(korg1212);
749
750 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
751 return 0;
752}
753
754static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
755{
756 writel(PCI_INT_ENABLE_BIT |
757 PCI_DOORBELL_INT_ENABLE_BIT |
758 LOCAL_INT_ENABLE_BIT |
759 LOCAL_DOORBELL_INT_ENABLE_BIT |
760 LOCAL_DMA1_INT_ENABLE_BIT,
761 korg1212->statusRegPtr);
762}
763
764#if 0 /* not used */
765
766static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
767 enum MonitorModeSelector mode)
768{
769 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
770 stateName[korg1212->cardState]);
771
772 switch (mode) {
773 case K1212_MONMODE_Off:
774 if (korg1212->cardState != K1212_STATE_MONITOR)
775 return 0;
776 else {
777 snd_korg1212_SendStopAndWait(korg1212);
778 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
779 }
780 break;
781
782 case K1212_MONMODE_On:
783 if (korg1212->cardState != K1212_STATE_OPEN)
784 return 0;
785 else {
786 int rc;
787 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
788 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
789 K1212_MODE_MonitorOn, 0, 0, 0);
790 if (rc != K1212_CMDRET_Success)
791 return 0;
792 }
793 break;
794
795 default:
796 return 0;
797 }
798
799 return 1;
800}
801
802#endif /* not used */
803
804static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
805{
806 if (korg1212->playback_pid != korg1212->capture_pid &&
807 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
808 return 0;
809
810 return 1;
811}
812
813static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
814{
815 static const enum ClockSourceIndex s44[] = {
816 K1212_CLKIDX_AdatAt44_1K,
817 K1212_CLKIDX_WordAt44_1K,
818 K1212_CLKIDX_LocalAt44_1K
819 };
820 static const enum ClockSourceIndex s48[] = {
821 K1212_CLKIDX_AdatAt48K,
822 K1212_CLKIDX_WordAt48K,
823 K1212_CLKIDX_LocalAt48K
824 };
825 int parm, rc;
826
827 if (!snd_korg1212_use_is_exclusive (korg1212))
828 return -EBUSY;
829
830 switch (rate) {
831 case 44100:
832 parm = s44[korg1212->clkSource];
833 break;
834
835 case 48000:
836 parm = s48[korg1212->clkSource];
837 break;
838
839 default:
840 return -EINVAL;
841 }
842
843 korg1212->clkSrcRate = parm;
844 korg1212->clkRate = rate;
845
846 udelay(INTERCOMMAND_DELAY);
847 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
848 ClockSourceSelector[korg1212->clkSrcRate],
849 0, 0, 0);
850 if (rc)
851 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
852 rc, stateName[korg1212->cardState]);
853
854 return 0;
855}
856
857static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
858{
859
860 if (source < 0 || source > 2)
861 return -EINVAL;
862
863 korg1212->clkSource = source;
864
865 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
866
867 return 0;
868}
869
870static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
871{
872 writel(0, korg1212->statusRegPtr);
873}
874
875static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
876{
877 struct SensBits sensVals;
878 int bitPosition;
879 int channel;
880 int clkIs48K;
881 int monModeSet;
882 u16 controlValue; // this keeps the current value to be written to
883 // the card's eeprom control register.
884 u16 count;
885 unsigned long flags;
886
887 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
888 stateName[korg1212->cardState]);
889
890 // ----------------------------------------------------------------------------
891 // initialize things. The local init bit is always set when writing to the
892 // card's control register.
893 // ----------------------------------------------------------------------------
894 controlValue = 0;
895 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
896
897 // ----------------------------------------------------------------------------
898 // make sure the card is not in monitor mode when we do this update.
899 // ----------------------------------------------------------------------------
900 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
901 monModeSet = 1;
902 snd_korg1212_SendStopAndWait(korg1212);
903 } else
904 monModeSet = 0;
905
906 spin_lock_irqsave(&korg1212->lock, flags);
907
908 // ----------------------------------------------------------------------------
909 // we are about to send new values to the card, so clear the new values queued
910 // flag. Also, clear out mailbox 3, so we don't lockup.
911 // ----------------------------------------------------------------------------
912 writel(0, korg1212->mailbox3Ptr);
913 udelay(LOADSHIFT_DELAY);
914
915 // ----------------------------------------------------------------------------
916 // determine whether we are running a 48K or 44.1K clock. This info is used
917 // later when setting the SPDIF FF after the volume has been shifted in.
918 // ----------------------------------------------------------------------------
919 switch (korg1212->clkSrcRate) {
920 case K1212_CLKIDX_AdatAt44_1K:
921 case K1212_CLKIDX_WordAt44_1K:
922 case K1212_CLKIDX_LocalAt44_1K:
923 clkIs48K = 0;
924 break;
925
926 case K1212_CLKIDX_WordAt48K:
927 case K1212_CLKIDX_AdatAt48K:
928 case K1212_CLKIDX_LocalAt48K:
929 default:
930 clkIs48K = 1;
931 break;
932 }
933
934 // ----------------------------------------------------------------------------
935 // start the update. Setup the bit structure and then shift the bits.
936 // ----------------------------------------------------------------------------
937 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
938 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
939 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
940 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
941
942 // ----------------------------------------------------------------------------
943 // now start shifting the bits in. Start with the left channel then the right.
944 // ----------------------------------------------------------------------------
945 for (channel = 0; channel < 2; channel++) {
946
947 // ----------------------------------------------------------------------------
948 // Bring the load/shift line low, then wait - the spec says >150ns from load/
949 // shift low to the first rising edge of the clock.
950 // ----------------------------------------------------------------------------
951 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
952 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
953 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
954 udelay(LOADSHIFT_DELAY);
955
956 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
957 if (channel == 0) {
958 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
959 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
960 else
961 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
962 } else {
963 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
964 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
965 else
966 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
967 }
968
969 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
970 writew(controlValue, korg1212->sensRegPtr); // clock goes low
971 udelay(SENSCLKPULSE_WIDTH);
972 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
973 writew(controlValue, korg1212->sensRegPtr); // clock goes high
974 udelay(SENSCLKPULSE_WIDTH);
975 }
976
977 // ----------------------------------------------------------------------------
978 // finish up SPDIF for left. Bring the load/shift line high, then write a one
979 // bit if the clock rate is 48K otherwise write 0.
980 // ----------------------------------------------------------------------------
981 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
982 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
983 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
984 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
985 udelay(SENSCLKPULSE_WIDTH);
986
987 if (clkIs48K)
988 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
989
990 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
991 udelay(ONE_RTC_TICK);
992 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
993 writew(controlValue, korg1212->sensRegPtr); // clock goes high
994 udelay(SENSCLKPULSE_WIDTH);
995 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
996 writew(controlValue, korg1212->sensRegPtr); // clock goes low
997 udelay(SENSCLKPULSE_WIDTH);
998 }
999
1000 // ----------------------------------------------------------------------------
1001 // The update is complete. Set a timeout. This is the inter-update delay.
1002 // Also, if the card was in monitor mode, restore it.
1003 // ----------------------------------------------------------------------------
1004 for (count = 0; count < 10; count++)
1005 udelay(SENSCLKPULSE_WIDTH);
1006
1007 if (monModeSet) {
1008 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1009 K1212_MODE_MonitorOn, 0, 0, 0);
1010 if (rc)
1011 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1012 rc, stateName[korg1212->cardState]);
1013 }
1014
1015 spin_unlock_irqrestore(&korg1212->lock, flags);
1016
1017 return 1;
1018}
1019
1020static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1021{
1022 int channel, rc;
1023
1024 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1025 stateName[korg1212->cardState]);
1026
1027 // ----------------------------------------------------
1028 // tell the card to boot
1029 // ----------------------------------------------------
1030 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1031
1032 if (rc)
1033 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1034 rc, stateName[korg1212->cardState]);
1035 msleep(DSP_BOOT_DELAY_IN_MS);
1036
1037 // --------------------------------------------------------------------------------
1038 // Let the card know where all the buffers are.
1039 // --------------------------------------------------------------------------------
1040 rc = snd_korg1212_Send1212Command(korg1212,
1041 K1212_DB_ConfigureBufferMemory,
1042 LowerWordSwap(korg1212->PlayDataPhy),
1043 LowerWordSwap(korg1212->RecDataPhy),
1044 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1045 // is based on 2 buffers
1046 0
1047 );
1048
1049 if (rc)
1050 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1051 rc, stateName[korg1212->cardState]);
1052
1053 udelay(INTERCOMMAND_DELAY);
1054
1055 rc = snd_korg1212_Send1212Command(korg1212,
1056 K1212_DB_ConfigureMiscMemory,
1057 LowerWordSwap(korg1212->VolumeTablePhy),
1058 LowerWordSwap(korg1212->RoutingTablePhy),
1059 LowerWordSwap(korg1212->AdatTimeCodePhy),
1060 0
1061 );
1062
1063 if (rc)
1064 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1065 rc, stateName[korg1212->cardState]);
1066
1067 // --------------------------------------------------------------------------------
1068 // Initialize the routing and volume tables, then update the card's state.
1069 // --------------------------------------------------------------------------------
1070 udelay(INTERCOMMAND_DELAY);
1071
1072 for (channel = 0; channel < kAudioChannels; channel++) {
1073 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1074 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1075 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1076 }
1077
1078 snd_korg1212_WriteADCSensitivity(korg1212);
1079
1080 udelay(INTERCOMMAND_DELAY);
1081 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1082 ClockSourceSelector[korg1212->clkSrcRate],
1083 0, 0, 0);
1084 if (rc)
1085 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1086 rc, stateName[korg1212->cardState]);
1087
1088 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1089 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1090
1091 if (rc)
1092 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1093 rc, stateName[korg1212->cardState]);
1094
1095 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1096}
1097
1098static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1099{
1100 u32 doorbellValue;
1101 struct snd_korg1212 *korg1212 = dev_id;
1102
1103 doorbellValue = readl(korg1212->inDoorbellPtr);
1104
1105 if (!doorbellValue)
1106 return IRQ_NONE;
1107
1108 spin_lock(&korg1212->lock);
1109
1110 writel(doorbellValue, korg1212->inDoorbellPtr);
1111
1112 korg1212->irqcount++;
1113
1114 korg1212->inIRQ++;
1115
1116 switch (doorbellValue) {
1117 case K1212_DB_DSPDownloadDone:
1118 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1119 korg1212->irqcount, doorbellValue,
1120 stateName[korg1212->cardState]);
1121 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1122 korg1212->dsp_is_loaded = 1;
1123 wake_up(&korg1212->wait);
1124 }
1125 break;
1126
1127 // ------------------------------------------------------------------------
1128 // an error occurred - stop the card
1129 // ------------------------------------------------------------------------
1130 case K1212_DB_DMAERROR:
1131 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1132 korg1212->irqcount, doorbellValue,
1133 stateName[korg1212->cardState]);
1134 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1135 korg1212->errorcnt++;
1136 korg1212->totalerrorcnt++;
1137 korg1212->sharedBufferPtr->cardCommand = 0;
1138 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1139 break;
1140
1141 // ------------------------------------------------------------------------
1142 // the card has stopped by our request. Clear the command word and signal
1143 // the semaphore in case someone is waiting for this.
1144 // ------------------------------------------------------------------------
1145 case K1212_DB_CARDSTOPPED:
1146 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1147 korg1212->irqcount, doorbellValue,
1148 stateName[korg1212->cardState]);
1149 korg1212->sharedBufferPtr->cardCommand = 0;
1150 break;
1151
1152 default:
1153 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1154 korg1212->irqcount, doorbellValue,
1155 korg1212->currentBuffer, stateName[korg1212->cardState]);
1156 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1157 korg1212->currentBuffer++;
1158
1159 if (korg1212->currentBuffer >= kNumBuffers)
1160 korg1212->currentBuffer = 0;
1161
1162 if (!korg1212->running)
1163 break;
1164
1165 if (korg1212->capture_substream) {
1166 spin_unlock(&korg1212->lock);
1167 snd_pcm_period_elapsed(korg1212->capture_substream);
1168 spin_lock(&korg1212->lock);
1169 }
1170
1171 if (korg1212->playback_substream) {
1172 spin_unlock(&korg1212->lock);
1173 snd_pcm_period_elapsed(korg1212->playback_substream);
1174 spin_lock(&korg1212->lock);
1175 }
1176 }
1177 break;
1178 }
1179
1180 korg1212->inIRQ--;
1181
1182 spin_unlock(&korg1212->lock);
1183
1184 return IRQ_HANDLED;
1185}
1186
1187static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1188{
1189 int rc;
1190
1191 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1192 stateName[korg1212->cardState]);
1193
1194 // ---------------------------------------------------------------
1195 // verify the state of the card before proceeding.
1196 // ---------------------------------------------------------------
1197 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1198 return 1;
1199
1200 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1201
1202 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1203 UpperWordSwap(korg1212->dma_dsp.addr),
1204 0, 0, 0);
1205 if (rc)
1206 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1207 rc, stateName[korg1212->cardState]);
1208
1209 korg1212->dsp_is_loaded = 0;
1210 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1211 if (! korg1212->dsp_is_loaded )
1212 return -EBUSY; /* timeout */
1213
1214 snd_korg1212_OnDSPDownloadComplete(korg1212);
1215
1216 return 0;
1217}
1218
1219static const struct snd_pcm_hardware snd_korg1212_playback_info =
1220{
1221 .info = (SNDRV_PCM_INFO_MMAP |
1222 SNDRV_PCM_INFO_MMAP_VALID |
1223 SNDRV_PCM_INFO_INTERLEAVED |
1224 SNDRV_PCM_INFO_BATCH),
1225 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1226 .rates = (SNDRV_PCM_RATE_44100 |
1227 SNDRV_PCM_RATE_48000),
1228 .rate_min = 44100,
1229 .rate_max = 48000,
1230 .channels_min = K1212_MIN_CHANNELS,
1231 .channels_max = K1212_MAX_CHANNELS,
1232 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1233 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1234 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1235 .periods_min = K1212_PERIODS,
1236 .periods_max = K1212_PERIODS,
1237 .fifo_size = 0,
1238};
1239
1240static const struct snd_pcm_hardware snd_korg1212_capture_info =
1241{
1242 .info = (SNDRV_PCM_INFO_MMAP |
1243 SNDRV_PCM_INFO_MMAP_VALID |
1244 SNDRV_PCM_INFO_INTERLEAVED |
1245 SNDRV_PCM_INFO_BATCH),
1246 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1247 .rates = (SNDRV_PCM_RATE_44100 |
1248 SNDRV_PCM_RATE_48000),
1249 .rate_min = 44100,
1250 .rate_max = 48000,
1251 .channels_min = K1212_MIN_CHANNELS,
1252 .channels_max = K1212_MAX_CHANNELS,
1253 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1254 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1255 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1256 .periods_min = K1212_PERIODS,
1257 .periods_max = K1212_PERIODS,
1258 .fifo_size = 0,
1259};
1260
1261static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1262{
1263 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1264 int i;
1265
1266 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1267 pos, offset, size, count);
1268 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1269 return -EINVAL;
1270
1271 for (i=0; i < count; i++) {
1272#if K1212_DEBUG_LEVEL > 0
1273 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1274 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1275 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1276 dst, i);
1277 return -EFAULT;
1278 }
1279#endif
1280 memset((void*) dst + offset, 0, size);
1281 dst++;
1282 }
1283
1284 return 0;
1285}
1286
1287static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1288 void __user *dst, int pos, int count,
1289 bool in_kernel)
1290{
1291 struct snd_pcm_runtime *runtime = substream->runtime;
1292 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1293 struct KorgAudioFrame *src;
1294 int i, size;
1295
1296 pos = bytes_to_frames(runtime, pos);
1297 count = bytes_to_frames(runtime, count);
1298 size = korg1212->channels * 2;
1299 src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1300 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1301 pos, size, count);
1302 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1303 return -EINVAL;
1304
1305 for (i=0; i < count; i++) {
1306#if K1212_DEBUG_LEVEL > 0
1307 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1308 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1309 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1310 return -EFAULT;
1311 }
1312#endif
1313 if (in_kernel)
1314 memcpy((__force void *)dst, src, size);
1315 else if (copy_to_user(dst, src, size))
1316 return -EFAULT;
1317 src++;
1318 dst += size;
1319 }
1320
1321 return 0;
1322}
1323
1324static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1325 void __user *src, int pos, int count,
1326 bool in_kernel)
1327{
1328 struct snd_pcm_runtime *runtime = substream->runtime;
1329 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1330 struct KorgAudioFrame *dst;
1331 int i, size;
1332
1333 pos = bytes_to_frames(runtime, pos);
1334 count = bytes_to_frames(runtime, count);
1335 size = korg1212->channels * 2;
1336 dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1337
1338 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1339 pos, size, count);
1340
1341 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1342 return -EINVAL;
1343
1344 for (i=0; i < count; i++) {
1345#if K1212_DEBUG_LEVEL > 0
1346 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1347 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1348 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1349 return -EFAULT;
1350 }
1351#endif
1352 if (in_kernel)
1353 memcpy(dst, (__force void *)src, size);
1354 else if (copy_from_user(dst, src, size))
1355 return -EFAULT;
1356 dst++;
1357 src += size;
1358 }
1359
1360 return 0;
1361}
1362
1363static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1364{
1365 struct snd_korg1212 *korg1212 = pcm->private_data;
1366
1367 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1368 stateName[korg1212->cardState]);
1369
1370 korg1212->pcm = NULL;
1371}
1372
1373static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1374{
1375 unsigned long flags;
1376 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1377 struct snd_pcm_runtime *runtime = substream->runtime;
1378
1379 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1380 stateName[korg1212->cardState]);
1381
1382 snd_korg1212_OpenCard(korg1212);
1383
1384 runtime->hw = snd_korg1212_playback_info;
1385 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1386
1387 spin_lock_irqsave(&korg1212->lock, flags);
1388
1389 korg1212->playback_substream = substream;
1390 korg1212->playback_pid = current->pid;
1391 korg1212->periodsize = K1212_PERIODS;
1392 korg1212->channels = K1212_CHANNELS;
1393 korg1212->errorcnt = 0;
1394
1395 spin_unlock_irqrestore(&korg1212->lock, flags);
1396
1397 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1398 kPlayBufferFrames);
1399
1400 return 0;
1401}
1402
1403
1404static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1405{
1406 unsigned long flags;
1407 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1408 struct snd_pcm_runtime *runtime = substream->runtime;
1409
1410 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1411 stateName[korg1212->cardState]);
1412
1413 snd_korg1212_OpenCard(korg1212);
1414
1415 runtime->hw = snd_korg1212_capture_info;
1416 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1417
1418 spin_lock_irqsave(&korg1212->lock, flags);
1419
1420 korg1212->capture_substream = substream;
1421 korg1212->capture_pid = current->pid;
1422 korg1212->periodsize = K1212_PERIODS;
1423 korg1212->channels = K1212_CHANNELS;
1424
1425 spin_unlock_irqrestore(&korg1212->lock, flags);
1426
1427 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1428 kPlayBufferFrames);
1429 return 0;
1430}
1431
1432static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1433{
1434 unsigned long flags;
1435 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1436
1437 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1438 stateName[korg1212->cardState]);
1439
1440 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1441
1442 spin_lock_irqsave(&korg1212->lock, flags);
1443
1444 korg1212->playback_pid = -1;
1445 korg1212->playback_substream = NULL;
1446 korg1212->periodsize = 0;
1447
1448 spin_unlock_irqrestore(&korg1212->lock, flags);
1449
1450 snd_korg1212_CloseCard(korg1212);
1451 return 0;
1452}
1453
1454static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1455{
1456 unsigned long flags;
1457 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1458
1459 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1460 stateName[korg1212->cardState]);
1461
1462 spin_lock_irqsave(&korg1212->lock, flags);
1463
1464 korg1212->capture_pid = -1;
1465 korg1212->capture_substream = NULL;
1466 korg1212->periodsize = 0;
1467
1468 spin_unlock_irqrestore(&korg1212->lock, flags);
1469
1470 snd_korg1212_CloseCard(korg1212);
1471 return 0;
1472}
1473
1474static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1475 unsigned int cmd, void *arg)
1476{
1477 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1478
1479 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1480 struct snd_pcm_channel_info *info = arg;
1481 info->offset = 0;
1482 info->first = info->channel * 16;
1483 info->step = 256;
1484 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1485 return 0;
1486 }
1487
1488 return snd_pcm_lib_ioctl(substream, cmd, arg);
1489}
1490
1491static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1492 struct snd_pcm_hw_params *params)
1493{
1494 unsigned long flags;
1495 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1496 int err;
1497 pid_t this_pid;
1498 pid_t other_pid;
1499
1500 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1501 stateName[korg1212->cardState]);
1502
1503 spin_lock_irqsave(&korg1212->lock, flags);
1504
1505 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1506 this_pid = korg1212->playback_pid;
1507 other_pid = korg1212->capture_pid;
1508 } else {
1509 this_pid = korg1212->capture_pid;
1510 other_pid = korg1212->playback_pid;
1511 }
1512
1513 if ((other_pid > 0) && (this_pid != other_pid)) {
1514
1515 /* The other stream is open, and not by the same
1516 task as this one. Make sure that the parameters
1517 that matter are the same.
1518 */
1519
1520 if ((int)params_rate(params) != korg1212->clkRate) {
1521 spin_unlock_irqrestore(&korg1212->lock, flags);
1522 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1523 return -EBUSY;
1524 }
1525
1526 spin_unlock_irqrestore(&korg1212->lock, flags);
1527 return 0;
1528 }
1529
1530 err = snd_korg1212_SetRate(korg1212, params_rate(params));
1531 if (err < 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 err = pci_enable_device(pci);
2164 if (err < 0)
2165 return err;
2166
2167 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2168 if (korg1212 == NULL) {
2169 pci_disable_device(pci);
2170 return -ENOMEM;
2171 }
2172
2173 korg1212->card = card;
2174 korg1212->pci = pci;
2175
2176 init_waitqueue_head(&korg1212->wait);
2177 spin_lock_init(&korg1212->lock);
2178 mutex_init(&korg1212->open_mutex);
2179 timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2180
2181 korg1212->irq = -1;
2182 korg1212->clkSource = K1212_CLKIDX_Local;
2183 korg1212->clkRate = 44100;
2184 korg1212->inIRQ = 0;
2185 korg1212->running = 0;
2186 korg1212->opencnt = 0;
2187 korg1212->playcnt = 0;
2188 korg1212->setcnt = 0;
2189 korg1212->totalerrorcnt = 0;
2190 korg1212->playback_pid = -1;
2191 korg1212->capture_pid = -1;
2192 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2193 korg1212->idleMonitorOn = 0;
2194 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2195 korg1212->leftADCInSens = k1212MaxADCSens;
2196 korg1212->rightADCInSens = k1212MaxADCSens;
2197
2198 for (i=0; i<kAudioChannels; i++)
2199 korg1212->volumePhase[i] = 0;
2200
2201 err = pci_request_regions(pci, "korg1212");
2202 if (err < 0) {
2203 kfree(korg1212);
2204 pci_disable_device(pci);
2205 return err;
2206 }
2207
2208 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2209 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2210 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2211
2212 iomem_size = pci_resource_len(korg1212->pci, 0);
2213 ioport_size = pci_resource_len(korg1212->pci, 1);
2214 iomem2_size = pci_resource_len(korg1212->pci, 2);
2215
2216 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2217 " iomem = 0x%lx (%d)\n"
2218 " ioport = 0x%lx (%d)\n"
2219 " iomem = 0x%lx (%d)\n"
2220 " [%s]\n",
2221 korg1212->iomem, iomem_size,
2222 korg1212->ioport, ioport_size,
2223 korg1212->iomem2, iomem2_size,
2224 stateName[korg1212->cardState]);
2225
2226 korg1212->iobase = ioremap(korg1212->iomem, iomem_size);
2227 if (!korg1212->iobase) {
2228 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2229 korg1212->iomem + iomem_size - 1);
2230 snd_korg1212_free(korg1212);
2231 return -EBUSY;
2232 }
2233
2234 err = request_irq(pci->irq, snd_korg1212_interrupt,
2235 IRQF_SHARED,
2236 KBUILD_MODNAME, korg1212);
2237
2238 if (err) {
2239 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2240 snd_korg1212_free(korg1212);
2241 return -EBUSY;
2242 }
2243
2244 korg1212->irq = pci->irq;
2245 card->sync_irq = korg1212->irq;
2246
2247 pci_set_master(korg1212->pci);
2248
2249 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2250 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2251 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2252 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2253 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2254 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2255 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2256 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2257 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2258 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2259
2260 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2261 " Status register = 0x%p\n"
2262 " OutDoorbell = 0x%p\n"
2263 " InDoorbell = 0x%p\n"
2264 " Mailbox0 = 0x%p\n"
2265 " Mailbox1 = 0x%p\n"
2266 " Mailbox2 = 0x%p\n"
2267 " Mailbox3 = 0x%p\n"
2268 " ControlReg = 0x%p\n"
2269 " SensReg = 0x%p\n"
2270 " IDReg = 0x%p\n"
2271 " [%s]\n",
2272 korg1212->statusRegPtr,
2273 korg1212->outDoorbellPtr,
2274 korg1212->inDoorbellPtr,
2275 korg1212->mailbox0Ptr,
2276 korg1212->mailbox1Ptr,
2277 korg1212->mailbox2Ptr,
2278 korg1212->mailbox3Ptr,
2279 korg1212->controlRegPtr,
2280 korg1212->sensRegPtr,
2281 korg1212->idRegPtr,
2282 stateName[korg1212->cardState]);
2283
2284 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2285 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2286 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2287 snd_korg1212_free(korg1212);
2288 return -ENOMEM;
2289 }
2290 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2291 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2292
2293 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2294
2295#ifndef K1212_LARGEALLOC
2296
2297 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2298
2299 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2300 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2301 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2302 snd_korg1212_free(korg1212);
2303 return -ENOMEM;
2304 }
2305 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2306 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2307
2308 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2309 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2310
2311 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2312 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2313 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2314 snd_korg1212_free(korg1212);
2315 return -ENOMEM;
2316 }
2317 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2318 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2319
2320 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2321 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2322
2323#else // K1212_LARGEALLOC
2324
2325 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2326 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2327 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2328 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2329
2330#endif // K1212_LARGEALLOC
2331
2332 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2333 offsetof(struct KorgSharedBuffer, volumeData);
2334 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2335 offsetof(struct KorgSharedBuffer, routeData);
2336 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2337 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2338
2339 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2340 if (err < 0) {
2341 snd_printk(KERN_ERR "firmware not available\n");
2342 snd_korg1212_free(korg1212);
2343 return err;
2344 }
2345
2346 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
2347 dsp_code->size, &korg1212->dma_dsp) < 0) {
2348 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2349 snd_korg1212_free(korg1212);
2350 release_firmware(dsp_code);
2351 return -ENOMEM;
2352 }
2353
2354 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2355 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2356 stateName[korg1212->cardState]);
2357
2358 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2359
2360 release_firmware(dsp_code);
2361
2362 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2363
2364 if (rc)
2365 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2366
2367 err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops);
2368 if (err < 0) {
2369 snd_korg1212_free(korg1212);
2370 return err;
2371 }
2372
2373 snd_korg1212_EnableCardInterrupts(korg1212);
2374
2375 mdelay(CARD_BOOT_DELAY_IN_MS);
2376
2377 if (snd_korg1212_downloadDSPCode(korg1212))
2378 return -EBUSY;
2379
2380 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2381 "PlayDataPhy = %08x L[%08x]\n"
2382 "korg1212: RecDataPhy = %08x L[%08x], "
2383 "VolumeTablePhy = %08x L[%08x]\n"
2384 "korg1212: RoutingTablePhy = %08x L[%08x], "
2385 "AdatTimeCodePhy = %08x L[%08x]\n",
2386 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2387 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2388 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2389 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2390 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2391 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2392
2393 err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm);
2394 if (err < 0)
2395 return err;
2396
2397 korg1212->pcm->private_data = korg1212;
2398 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2399 strcpy(korg1212->pcm->name, "korg1212");
2400
2401 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2402
2403 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2404
2405 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2406
2407 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2408 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2409 if (err < 0)
2410 return err;
2411 }
2412
2413 snd_korg1212_proc_init(korg1212);
2414
2415 * rchip = korg1212;
2416 return 0;
2417
2418}
2419
2420/*
2421 * Card initialisation
2422 */
2423
2424static int
2425snd_korg1212_probe(struct pci_dev *pci,
2426 const struct pci_device_id *pci_id)
2427{
2428 static int dev;
2429 struct snd_korg1212 *korg1212;
2430 struct snd_card *card;
2431 int err;
2432
2433 if (dev >= SNDRV_CARDS) {
2434 return -ENODEV;
2435 }
2436 if (!enable[dev]) {
2437 dev++;
2438 return -ENOENT;
2439 }
2440 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2441 0, &card);
2442 if (err < 0)
2443 return err;
2444
2445 err = snd_korg1212_create(card, pci, &korg1212);
2446 if (err < 0) {
2447 snd_card_free(card);
2448 return err;
2449 }
2450
2451 strcpy(card->driver, "korg1212");
2452 strcpy(card->shortname, "korg1212");
2453 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2454 korg1212->iomem, korg1212->irq);
2455
2456 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2457
2458 err = snd_card_register(card);
2459 if (err < 0) {
2460 snd_card_free(card);
2461 return err;
2462 }
2463 pci_set_drvdata(pci, card);
2464 dev++;
2465 return 0;
2466}
2467
2468static void snd_korg1212_remove(struct pci_dev *pci)
2469{
2470 snd_card_free(pci_get_drvdata(pci));
2471}
2472
2473static struct pci_driver korg1212_driver = {
2474 .name = KBUILD_MODNAME,
2475 .id_table = snd_korg1212_ids,
2476 .probe = snd_korg1212_probe,
2477 .remove = snd_korg1212_remove,
2478};
2479
2480module_pci_driver(korg1212_driver);