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...) pr_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...) pr_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 // ----------------------------------------------------------------------------
50 enum 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 // ----------------------------------------------------------------------------
72 enum 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 // ----------------------------------------------------------------------------
97 enum 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 // ----------------------------------------------------------------------------
121 enum 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 // ----------------------------------------------------------------------------
132 enum 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
248 enum 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
258 enum 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
264 struct 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
270 struct KorgAudioBuffer {
271 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
272 };
273
274 struct 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
285 struct 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
302 struct 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
389 MODULE_DESCRIPTION("korg1212");
390 MODULE_LICENSE("GPL");
391 MODULE_FIRMWARE("korg/k1212.dsp");
392
393 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
394 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
395 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
396
397 module_param_array(index, int, NULL, 0444);
398 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
399 module_param_array(id, charp, NULL, 0444);
400 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
401 module_param_array(enable, bool, NULL, 0444);
402 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
403 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
404
405 static 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
415 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
416
417 static 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
431 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
432
433 static 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
442 static 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
457 static 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
466 union swap_u32 { unsigned char c[4]; u32 i; };
467
468 #ifdef SNDRV_BIG_ENDIAN
LowerWordSwap(u32 swappee)469 static u32 LowerWordSwap(u32 swappee)
470 #else
471 static 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
UpperWordSwap(u32 swappee)486 static u32 UpperWordSwap(u32 swappee)
487 #else
488 static 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
snd_korg1212_Send1212Command(struct snd_korg1212 * korg1212,enum korg1212_dbcnst doorbellVal,u32 mailBox0Val,u32 mailBox1Val,u32 mailBox2Val,u32 mailBox3Val)507 static 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 */
snd_korg1212_SendStop(struct snd_korg1212 * korg1212)566 static 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
snd_korg1212_SendStopAndWait(struct snd_korg1212 * korg1212)576 static 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 */
snd_korg1212_timer_func(struct timer_list * t)587 static 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 dev_dbg(korg1212->card->dev, "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
snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 * korg1212)616 static 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
snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 * korg1212)630 static 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
snd_korg1212_setCardState(struct snd_korg1212 * korg1212,enum CardState csState)638 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
639 {
640 korg1212->cardState = csState;
641 }
642
snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)643 static 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
snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)657 static 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 */
snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)692 static 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 */
snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)715 static 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 */
snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)737 static 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
snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)754 static 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
766 static 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
snd_korg1212_use_is_exclusive(struct snd_korg1212 * korg1212)804 static 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
snd_korg1212_SetRate(struct snd_korg1212 * korg1212,int rate)813 static 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
snd_korg1212_SetClockSource(struct snd_korg1212 * korg1212,int source)857 static 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
snd_korg1212_DisableCardInterrupts(struct snd_korg1212 * korg1212)870 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
871 {
872 writel(0, korg1212->statusRegPtr);
873 }
874
snd_korg1212_WriteADCSensitivity(struct snd_korg1212 * korg1212)875 static 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
snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 * korg1212)1020 static 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
snd_korg1212_interrupt(int irq,void * dev_id)1098 static 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 dev_err(korg1212->card->dev, "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
snd_korg1212_downloadDSPCode(struct snd_korg1212 * korg1212)1187 static 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
1219 static 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
1240 static 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
snd_korg1212_silence(struct snd_korg1212 * korg1212,int pos,int count,int offset,int size)1261 static 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 pr_debug("K1212_DEBUG: %s KERNEL EFAULT dst=%p iter=%d\n",
1276 __func__, dst, i);
1277 return -EFAULT;
1278 }
1279 #endif
1280 memset((void*) dst + offset, 0, size);
1281 dst++;
1282 }
1283
1284 return 0;
1285 }
1286
snd_korg1212_copy_to(struct snd_pcm_substream * substream,struct iov_iter * dst,int pos,int count)1287 static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1288 struct iov_iter *dst, int pos, int count)
1289 {
1290 struct snd_pcm_runtime *runtime = substream->runtime;
1291 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1292 struct KorgAudioFrame *src;
1293 int i, size;
1294
1295 pos = bytes_to_frames(runtime, pos);
1296 count = bytes_to_frames(runtime, count);
1297 size = korg1212->channels * 2;
1298 src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1299 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1300 pos, size, count);
1301 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1302 return -EINVAL;
1303
1304 for (i=0; i < count; i++) {
1305 #if K1212_DEBUG_LEVEL > 0
1306 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1307 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1308 pr_debug("K1212_DEBUG: %s KERNEL EFAULT, src=%p dst=%p iter=%d\n",
1309 __func__, src, dst->kvec.iov_base, i);
1310 return -EFAULT;
1311 }
1312 #endif
1313 if (copy_to_iter(src, size, dst) != size)
1314 return -EFAULT;
1315 src++;
1316 }
1317
1318 return 0;
1319 }
1320
snd_korg1212_copy_from(struct snd_pcm_substream * substream,struct iov_iter * src,int pos,int count)1321 static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1322 struct iov_iter *src, int pos, int count)
1323 {
1324 struct snd_pcm_runtime *runtime = substream->runtime;
1325 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1326 struct KorgAudioFrame *dst;
1327 int i, size;
1328
1329 pos = bytes_to_frames(runtime, pos);
1330 count = bytes_to_frames(runtime, count);
1331 size = korg1212->channels * 2;
1332 dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1333
1334 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: %s pos=%d size=%d count=%d\n",
1335 __func__, pos, size, count);
1336
1337 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1338 return -EINVAL;
1339
1340 for (i=0; i < count; i++) {
1341 #if K1212_DEBUG_LEVEL > 0
1342 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1343 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1344 pr_debug("K1212_DEBUG: %s KERNEL EFAULT, src=%p dst=%p iter=%d\n",
1345 __func__, src->kvec.iov_base, dst, i);
1346 return -EFAULT;
1347 }
1348 #endif
1349 if (copy_from_iter(dst, size, src) != size)
1350 return -EFAULT;
1351 dst++;
1352 }
1353
1354 return 0;
1355 }
1356
snd_korg1212_free_pcm(struct snd_pcm * pcm)1357 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1358 {
1359 struct snd_korg1212 *korg1212 = pcm->private_data;
1360
1361 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1362 stateName[korg1212->cardState]);
1363
1364 korg1212->pcm = NULL;
1365 }
1366
snd_korg1212_playback_open(struct snd_pcm_substream * substream)1367 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1368 {
1369 unsigned long flags;
1370 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1371 struct snd_pcm_runtime *runtime = substream->runtime;
1372
1373 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1374 stateName[korg1212->cardState]);
1375
1376 snd_korg1212_OpenCard(korg1212);
1377
1378 runtime->hw = snd_korg1212_playback_info;
1379 snd_pcm_set_runtime_buffer(substream, korg1212->dma_play);
1380
1381 spin_lock_irqsave(&korg1212->lock, flags);
1382
1383 korg1212->playback_substream = substream;
1384 korg1212->playback_pid = current->pid;
1385 korg1212->periodsize = K1212_PERIODS;
1386 korg1212->channels = K1212_CHANNELS;
1387 korg1212->errorcnt = 0;
1388
1389 spin_unlock_irqrestore(&korg1212->lock, flags);
1390
1391 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1392 kPlayBufferFrames);
1393
1394 return 0;
1395 }
1396
1397
snd_korg1212_capture_open(struct snd_pcm_substream * substream)1398 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1399 {
1400 unsigned long flags;
1401 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1402 struct snd_pcm_runtime *runtime = substream->runtime;
1403
1404 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1405 stateName[korg1212->cardState]);
1406
1407 snd_korg1212_OpenCard(korg1212);
1408
1409 runtime->hw = snd_korg1212_capture_info;
1410 snd_pcm_set_runtime_buffer(substream, korg1212->dma_rec);
1411
1412 spin_lock_irqsave(&korg1212->lock, flags);
1413
1414 korg1212->capture_substream = substream;
1415 korg1212->capture_pid = current->pid;
1416 korg1212->periodsize = K1212_PERIODS;
1417 korg1212->channels = K1212_CHANNELS;
1418
1419 spin_unlock_irqrestore(&korg1212->lock, flags);
1420
1421 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1422 kPlayBufferFrames);
1423 return 0;
1424 }
1425
snd_korg1212_playback_close(struct snd_pcm_substream * substream)1426 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1427 {
1428 unsigned long flags;
1429 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1430
1431 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1432 stateName[korg1212->cardState]);
1433
1434 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1435
1436 spin_lock_irqsave(&korg1212->lock, flags);
1437
1438 korg1212->playback_pid = -1;
1439 korg1212->playback_substream = NULL;
1440 korg1212->periodsize = 0;
1441
1442 spin_unlock_irqrestore(&korg1212->lock, flags);
1443
1444 snd_korg1212_CloseCard(korg1212);
1445 return 0;
1446 }
1447
snd_korg1212_capture_close(struct snd_pcm_substream * substream)1448 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1449 {
1450 unsigned long flags;
1451 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1452
1453 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1454 stateName[korg1212->cardState]);
1455
1456 spin_lock_irqsave(&korg1212->lock, flags);
1457
1458 korg1212->capture_pid = -1;
1459 korg1212->capture_substream = NULL;
1460 korg1212->periodsize = 0;
1461
1462 spin_unlock_irqrestore(&korg1212->lock, flags);
1463
1464 snd_korg1212_CloseCard(korg1212);
1465 return 0;
1466 }
1467
snd_korg1212_ioctl(struct snd_pcm_substream * substream,unsigned int cmd,void * arg)1468 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1469 unsigned int cmd, void *arg)
1470 {
1471 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1472
1473 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1474 struct snd_pcm_channel_info *info = arg;
1475 info->offset = 0;
1476 info->first = info->channel * 16;
1477 info->step = 256;
1478 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1479 return 0;
1480 }
1481
1482 return snd_pcm_lib_ioctl(substream, cmd, arg);
1483 }
1484
snd_korg1212_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)1485 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1486 struct snd_pcm_hw_params *params)
1487 {
1488 unsigned long flags;
1489 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1490 int err;
1491 pid_t this_pid;
1492 pid_t other_pid;
1493
1494 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1495 stateName[korg1212->cardState]);
1496
1497 spin_lock_irqsave(&korg1212->lock, flags);
1498
1499 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1500 this_pid = korg1212->playback_pid;
1501 other_pid = korg1212->capture_pid;
1502 } else {
1503 this_pid = korg1212->capture_pid;
1504 other_pid = korg1212->playback_pid;
1505 }
1506
1507 if ((other_pid > 0) && (this_pid != other_pid)) {
1508
1509 /* The other stream is open, and not by the same
1510 task as this one. Make sure that the parameters
1511 that matter are the same.
1512 */
1513
1514 if ((int)params_rate(params) != korg1212->clkRate) {
1515 spin_unlock_irqrestore(&korg1212->lock, flags);
1516 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1517 return -EBUSY;
1518 }
1519
1520 spin_unlock_irqrestore(&korg1212->lock, flags);
1521 return 0;
1522 }
1523
1524 err = snd_korg1212_SetRate(korg1212, params_rate(params));
1525 if (err < 0) {
1526 spin_unlock_irqrestore(&korg1212->lock, flags);
1527 return err;
1528 }
1529
1530 korg1212->channels = params_channels(params);
1531 korg1212->periodsize = K1212_PERIOD_BYTES;
1532
1533 spin_unlock_irqrestore(&korg1212->lock, flags);
1534
1535 return 0;
1536 }
1537
snd_korg1212_prepare(struct snd_pcm_substream * substream)1538 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1539 {
1540 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1541 int rc;
1542
1543 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1544 stateName[korg1212->cardState]);
1545
1546 spin_lock_irq(&korg1212->lock);
1547
1548 /* FIXME: we should wait for ack! */
1549 if (korg1212->stop_pending_cnt > 0) {
1550 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1551 stateName[korg1212->cardState]);
1552 spin_unlock_irq(&korg1212->lock);
1553 return -EAGAIN;
1554 /*
1555 korg1212->sharedBufferPtr->cardCommand = 0;
1556 del_timer(&korg1212->timer);
1557 korg1212->stop_pending_cnt = 0;
1558 */
1559 }
1560
1561 rc = snd_korg1212_SetupForPlay(korg1212);
1562
1563 korg1212->currentBuffer = 0;
1564
1565 spin_unlock_irq(&korg1212->lock);
1566
1567 return rc ? -EINVAL : 0;
1568 }
1569
snd_korg1212_trigger(struct snd_pcm_substream * substream,int cmd)1570 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1571 int cmd)
1572 {
1573 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1574 int rc;
1575
1576 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1577 stateName[korg1212->cardState], cmd);
1578
1579 spin_lock(&korg1212->lock);
1580 switch (cmd) {
1581 case SNDRV_PCM_TRIGGER_START:
1582 /*
1583 if (korg1212->running) {
1584 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1585 break;
1586 }
1587 */
1588 korg1212->running++;
1589 rc = snd_korg1212_TriggerPlay(korg1212);
1590 break;
1591
1592 case SNDRV_PCM_TRIGGER_STOP:
1593 /*
1594 if (!korg1212->running) {
1595 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1596 break;
1597 }
1598 */
1599 korg1212->running--;
1600 rc = snd_korg1212_StopPlay(korg1212);
1601 break;
1602
1603 default:
1604 rc = 1;
1605 break;
1606 }
1607 spin_unlock(&korg1212->lock);
1608 return rc ? -EINVAL : 0;
1609 }
1610
snd_korg1212_playback_pointer(struct snd_pcm_substream * substream)1611 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1612 {
1613 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1614 snd_pcm_uframes_t pos;
1615
1616 pos = korg1212->currentBuffer * kPlayBufferFrames;
1617
1618 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1619 stateName[korg1212->cardState], pos);
1620
1621 return pos;
1622 }
1623
snd_korg1212_capture_pointer(struct snd_pcm_substream * substream)1624 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1625 {
1626 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1627 snd_pcm_uframes_t pos;
1628
1629 pos = korg1212->currentBuffer * kPlayBufferFrames;
1630
1631 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1632 stateName[korg1212->cardState], pos);
1633
1634 return pos;
1635 }
1636
snd_korg1212_playback_copy(struct snd_pcm_substream * substream,int channel,unsigned long pos,struct iov_iter * src,unsigned long count)1637 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1638 int channel, unsigned long pos,
1639 struct iov_iter *src, unsigned long count)
1640 {
1641 return snd_korg1212_copy_from(substream, src, pos, count);
1642 }
1643
snd_korg1212_playback_silence(struct snd_pcm_substream * substream,int channel,unsigned long pos,unsigned long count)1644 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1645 int channel, /* not used (interleaved data) */
1646 unsigned long pos,
1647 unsigned long count)
1648 {
1649 struct snd_pcm_runtime *runtime = substream->runtime;
1650 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1651
1652 return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1653 bytes_to_frames(runtime, count),
1654 0, korg1212->channels * 2);
1655 }
1656
snd_korg1212_capture_copy(struct snd_pcm_substream * substream,int channel,unsigned long pos,struct iov_iter * dst,unsigned long count)1657 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1658 int channel, unsigned long pos,
1659 struct iov_iter *dst, unsigned long count)
1660 {
1661 return snd_korg1212_copy_to(substream, dst, pos, count);
1662 }
1663
1664 static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1665 .open = snd_korg1212_playback_open,
1666 .close = snd_korg1212_playback_close,
1667 .ioctl = snd_korg1212_ioctl,
1668 .hw_params = snd_korg1212_hw_params,
1669 .prepare = snd_korg1212_prepare,
1670 .trigger = snd_korg1212_trigger,
1671 .pointer = snd_korg1212_playback_pointer,
1672 .copy = snd_korg1212_playback_copy,
1673 .fill_silence = snd_korg1212_playback_silence,
1674 };
1675
1676 static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1677 .open = snd_korg1212_capture_open,
1678 .close = snd_korg1212_capture_close,
1679 .ioctl = snd_korg1212_ioctl,
1680 .hw_params = snd_korg1212_hw_params,
1681 .prepare = snd_korg1212_prepare,
1682 .trigger = snd_korg1212_trigger,
1683 .pointer = snd_korg1212_capture_pointer,
1684 .copy = snd_korg1212_capture_copy,
1685 };
1686
1687 /*
1688 * Control Interface
1689 */
1690
snd_korg1212_control_phase_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1691 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1692 struct snd_ctl_elem_info *uinfo)
1693 {
1694 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1695 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1696 return 0;
1697 }
1698
snd_korg1212_control_phase_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1699 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1700 struct snd_ctl_elem_value *u)
1701 {
1702 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1703 int i = kcontrol->private_value;
1704
1705 spin_lock_irq(&korg1212->lock);
1706
1707 u->value.integer.value[0] = korg1212->volumePhase[i];
1708
1709 if (i >= 8)
1710 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1711
1712 spin_unlock_irq(&korg1212->lock);
1713
1714 return 0;
1715 }
1716
snd_korg1212_control_phase_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1717 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1718 struct snd_ctl_elem_value *u)
1719 {
1720 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1721 int change = 0;
1722 int i, val;
1723
1724 spin_lock_irq(&korg1212->lock);
1725
1726 i = kcontrol->private_value;
1727
1728 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1729
1730 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1731
1732 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1733 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1734 korg1212->sharedBufferPtr->volumeData[i] = val;
1735 change = 1;
1736 }
1737
1738 if (i >= 8) {
1739 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1740
1741 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1742
1743 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1744 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1745 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1746 change = 1;
1747 }
1748 }
1749
1750 spin_unlock_irq(&korg1212->lock);
1751
1752 return change;
1753 }
1754
snd_korg1212_control_volume_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1755 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1756 struct snd_ctl_elem_info *uinfo)
1757 {
1758 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1759 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1760 uinfo->value.integer.min = k1212MinVolume;
1761 uinfo->value.integer.max = k1212MaxVolume;
1762 return 0;
1763 }
1764
snd_korg1212_control_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1765 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1766 struct snd_ctl_elem_value *u)
1767 {
1768 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1769 int i;
1770
1771 spin_lock_irq(&korg1212->lock);
1772
1773 i = kcontrol->private_value;
1774 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1775
1776 if (i >= 8)
1777 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1778
1779 spin_unlock_irq(&korg1212->lock);
1780
1781 return 0;
1782 }
1783
snd_korg1212_control_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1784 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1785 struct snd_ctl_elem_value *u)
1786 {
1787 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1788 int change = 0;
1789 int i;
1790 int val;
1791
1792 spin_lock_irq(&korg1212->lock);
1793
1794 i = kcontrol->private_value;
1795
1796 if (u->value.integer.value[0] >= k1212MinVolume &&
1797 u->value.integer.value[0] >= k1212MaxVolume &&
1798 u->value.integer.value[0] !=
1799 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1800 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1801 val *= u->value.integer.value[0];
1802 korg1212->sharedBufferPtr->volumeData[i] = val;
1803 change = 1;
1804 }
1805
1806 if (i >= 8) {
1807 if (u->value.integer.value[1] >= k1212MinVolume &&
1808 u->value.integer.value[1] >= k1212MaxVolume &&
1809 u->value.integer.value[1] !=
1810 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1811 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1812 val *= u->value.integer.value[1];
1813 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1814 change = 1;
1815 }
1816 }
1817
1818 spin_unlock_irq(&korg1212->lock);
1819
1820 return change;
1821 }
1822
snd_korg1212_control_route_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1823 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1824 struct snd_ctl_elem_info *uinfo)
1825 {
1826 return snd_ctl_enum_info(uinfo,
1827 (kcontrol->private_value >= 8) ? 2 : 1,
1828 kAudioChannels, channelName);
1829 }
1830
snd_korg1212_control_route_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1831 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1832 struct snd_ctl_elem_value *u)
1833 {
1834 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1835 int i;
1836
1837 spin_lock_irq(&korg1212->lock);
1838
1839 i = kcontrol->private_value;
1840 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1841
1842 if (i >= 8)
1843 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1844
1845 spin_unlock_irq(&korg1212->lock);
1846
1847 return 0;
1848 }
1849
snd_korg1212_control_route_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1850 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1851 struct snd_ctl_elem_value *u)
1852 {
1853 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1854 int change = 0, i;
1855
1856 spin_lock_irq(&korg1212->lock);
1857
1858 i = kcontrol->private_value;
1859
1860 if (u->value.enumerated.item[0] < kAudioChannels &&
1861 u->value.enumerated.item[0] !=
1862 (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1863 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1864 change = 1;
1865 }
1866
1867 if (i >= 8) {
1868 if (u->value.enumerated.item[1] < kAudioChannels &&
1869 u->value.enumerated.item[1] !=
1870 (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1871 korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1872 change = 1;
1873 }
1874 }
1875
1876 spin_unlock_irq(&korg1212->lock);
1877
1878 return change;
1879 }
1880
snd_korg1212_control_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1881 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1882 struct snd_ctl_elem_info *uinfo)
1883 {
1884 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1885 uinfo->count = 2;
1886 uinfo->value.integer.min = k1212MaxADCSens;
1887 uinfo->value.integer.max = k1212MinADCSens;
1888 return 0;
1889 }
1890
snd_korg1212_control_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1891 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1892 struct snd_ctl_elem_value *u)
1893 {
1894 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1895
1896 spin_lock_irq(&korg1212->lock);
1897
1898 u->value.integer.value[0] = korg1212->leftADCInSens;
1899 u->value.integer.value[1] = korg1212->rightADCInSens;
1900
1901 spin_unlock_irq(&korg1212->lock);
1902
1903 return 0;
1904 }
1905
snd_korg1212_control_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1906 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1907 struct snd_ctl_elem_value *u)
1908 {
1909 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1910 int change = 0;
1911
1912 spin_lock_irq(&korg1212->lock);
1913
1914 if (u->value.integer.value[0] >= k1212MinADCSens &&
1915 u->value.integer.value[0] <= k1212MaxADCSens &&
1916 u->value.integer.value[0] != korg1212->leftADCInSens) {
1917 korg1212->leftADCInSens = u->value.integer.value[0];
1918 change = 1;
1919 }
1920 if (u->value.integer.value[1] >= k1212MinADCSens &&
1921 u->value.integer.value[1] <= k1212MaxADCSens &&
1922 u->value.integer.value[1] != korg1212->rightADCInSens) {
1923 korg1212->rightADCInSens = u->value.integer.value[1];
1924 change = 1;
1925 }
1926
1927 spin_unlock_irq(&korg1212->lock);
1928
1929 if (change)
1930 snd_korg1212_WriteADCSensitivity(korg1212);
1931
1932 return change;
1933 }
1934
snd_korg1212_control_sync_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1935 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1936 struct snd_ctl_elem_info *uinfo)
1937 {
1938 return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1939 }
1940
snd_korg1212_control_sync_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1941 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1942 struct snd_ctl_elem_value *ucontrol)
1943 {
1944 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1945
1946 spin_lock_irq(&korg1212->lock);
1947
1948 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1949
1950 spin_unlock_irq(&korg1212->lock);
1951 return 0;
1952 }
1953
snd_korg1212_control_sync_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1954 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1955 struct snd_ctl_elem_value *ucontrol)
1956 {
1957 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1958 unsigned int val;
1959 int change;
1960
1961 val = ucontrol->value.enumerated.item[0] % 3;
1962 spin_lock_irq(&korg1212->lock);
1963 change = val != korg1212->clkSource;
1964 snd_korg1212_SetClockSource(korg1212, val);
1965 spin_unlock_irq(&korg1212->lock);
1966 return change;
1967 }
1968
1969 #define MON_MIXER(ord,c_name) \
1970 { \
1971 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
1972 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1973 .name = c_name " Monitor Volume", \
1974 .info = snd_korg1212_control_volume_info, \
1975 .get = snd_korg1212_control_volume_get, \
1976 .put = snd_korg1212_control_volume_put, \
1977 .private_value = ord, \
1978 }, \
1979 { \
1980 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
1981 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1982 .name = c_name " Monitor Route", \
1983 .info = snd_korg1212_control_route_info, \
1984 .get = snd_korg1212_control_route_get, \
1985 .put = snd_korg1212_control_route_put, \
1986 .private_value = ord, \
1987 }, \
1988 { \
1989 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
1990 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
1991 .name = c_name " Monitor Phase Invert", \
1992 .info = snd_korg1212_control_phase_info, \
1993 .get = snd_korg1212_control_phase_get, \
1994 .put = snd_korg1212_control_phase_put, \
1995 .private_value = ord, \
1996 }
1997
1998 static const struct snd_kcontrol_new snd_korg1212_controls[] = {
1999 MON_MIXER(8, "Analog"),
2000 MON_MIXER(10, "SPDIF"),
2001 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2002 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2003 {
2004 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2005 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2006 .name = "Sync Source",
2007 .info = snd_korg1212_control_sync_info,
2008 .get = snd_korg1212_control_sync_get,
2009 .put = snd_korg1212_control_sync_put,
2010 },
2011 {
2012 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2013 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2014 .name = "ADC Attenuation",
2015 .info = snd_korg1212_control_info,
2016 .get = snd_korg1212_control_get,
2017 .put = snd_korg1212_control_put,
2018 }
2019 };
2020
2021 /*
2022 * proc interface
2023 */
2024
snd_korg1212_proc_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)2025 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2026 struct snd_info_buffer *buffer)
2027 {
2028 int n;
2029 struct snd_korg1212 *korg1212 = entry->private_data;
2030
2031 snd_iprintf(buffer, korg1212->card->longname);
2032 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2033 snd_iprintf(buffer, "\nGeneral settings\n");
2034 snd_iprintf(buffer, " period size: %zd bytes\n", K1212_PERIOD_BYTES);
2035 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2036 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2037 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2038 snd_iprintf(buffer, " Volume Info:\n");
2039 for (n=0; n<kAudioChannels; n++)
2040 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2041 channelName[n],
2042 channelName[korg1212->sharedBufferPtr->routeData[n]],
2043 korg1212->sharedBufferPtr->volumeData[n]);
2044 snd_iprintf(buffer, "\nGeneral status\n");
2045 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2046 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2047 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2048 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2049 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2050 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2051 }
2052
snd_korg1212_proc_init(struct snd_korg1212 * korg1212)2053 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2054 {
2055 snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212,
2056 snd_korg1212_proc_read);
2057 }
2058
2059 static void
snd_korg1212_free(struct snd_card * card)2060 snd_korg1212_free(struct snd_card *card)
2061 {
2062 struct snd_korg1212 *korg1212 = card->private_data;
2063
2064 snd_korg1212_TurnOffIdleMonitor(korg1212);
2065 snd_korg1212_DisableCardInterrupts(korg1212);
2066 }
2067
snd_korg1212_create(struct snd_card * card,struct pci_dev * pci)2068 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci)
2069
2070 {
2071 int err, rc;
2072 unsigned int i;
2073 __maybe_unused unsigned iomem_size;
2074 __maybe_unused unsigned ioport_size;
2075 __maybe_unused unsigned iomem2_size;
2076 struct snd_korg1212 *korg1212 = card->private_data;
2077 const struct firmware *dsp_code;
2078
2079 err = pcim_enable_device(pci);
2080 if (err < 0)
2081 return err;
2082
2083 korg1212->card = card;
2084 korg1212->pci = pci;
2085
2086 init_waitqueue_head(&korg1212->wait);
2087 spin_lock_init(&korg1212->lock);
2088 mutex_init(&korg1212->open_mutex);
2089 timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2090
2091 korg1212->irq = -1;
2092 korg1212->clkSource = K1212_CLKIDX_Local;
2093 korg1212->clkRate = 44100;
2094 korg1212->inIRQ = 0;
2095 korg1212->running = 0;
2096 korg1212->opencnt = 0;
2097 korg1212->playcnt = 0;
2098 korg1212->setcnt = 0;
2099 korg1212->totalerrorcnt = 0;
2100 korg1212->playback_pid = -1;
2101 korg1212->capture_pid = -1;
2102 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2103 korg1212->idleMonitorOn = 0;
2104 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2105 korg1212->leftADCInSens = k1212MaxADCSens;
2106 korg1212->rightADCInSens = k1212MaxADCSens;
2107
2108 for (i=0; i<kAudioChannels; i++)
2109 korg1212->volumePhase[i] = 0;
2110
2111 err = pcim_iomap_regions_request_all(pci, 1 << 0, "korg1212");
2112 if (err < 0)
2113 return err;
2114
2115 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2116 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2117 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2118
2119 iomem_size = pci_resource_len(korg1212->pci, 0);
2120 ioport_size = pci_resource_len(korg1212->pci, 1);
2121 iomem2_size = pci_resource_len(korg1212->pci, 2);
2122
2123 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2124 " iomem = 0x%lx (%d)\n"
2125 " ioport = 0x%lx (%d)\n"
2126 " iomem = 0x%lx (%d)\n"
2127 " [%s]\n",
2128 korg1212->iomem, iomem_size,
2129 korg1212->ioport, ioport_size,
2130 korg1212->iomem2, iomem2_size,
2131 stateName[korg1212->cardState]);
2132
2133 korg1212->iobase = pcim_iomap_table(pci)[0];
2134
2135 err = devm_request_irq(&pci->dev, pci->irq, snd_korg1212_interrupt,
2136 IRQF_SHARED,
2137 KBUILD_MODNAME, korg1212);
2138
2139 if (err) {
2140 dev_err(&pci->dev, "korg1212: unable to grab IRQ %d\n", pci->irq);
2141 return -EBUSY;
2142 }
2143
2144 korg1212->irq = pci->irq;
2145 card->sync_irq = korg1212->irq;
2146 card->private_free = snd_korg1212_free;
2147
2148 pci_set_master(korg1212->pci);
2149
2150 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2151 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2152 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2153 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2154 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2155 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2156 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2157 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2158 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2159 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2160
2161 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2162 " Status register = 0x%p\n"
2163 " OutDoorbell = 0x%p\n"
2164 " InDoorbell = 0x%p\n"
2165 " Mailbox0 = 0x%p\n"
2166 " Mailbox1 = 0x%p\n"
2167 " Mailbox2 = 0x%p\n"
2168 " Mailbox3 = 0x%p\n"
2169 " ControlReg = 0x%p\n"
2170 " SensReg = 0x%p\n"
2171 " IDReg = 0x%p\n"
2172 " [%s]\n",
2173 korg1212->statusRegPtr,
2174 korg1212->outDoorbellPtr,
2175 korg1212->inDoorbellPtr,
2176 korg1212->mailbox0Ptr,
2177 korg1212->mailbox1Ptr,
2178 korg1212->mailbox2Ptr,
2179 korg1212->mailbox3Ptr,
2180 korg1212->controlRegPtr,
2181 korg1212->sensRegPtr,
2182 korg1212->idRegPtr,
2183 stateName[korg1212->cardState]);
2184
2185 korg1212->dma_shared = snd_devm_alloc_pages(&pci->dev,
2186 SNDRV_DMA_TYPE_DEV,
2187 sizeof(struct KorgSharedBuffer));
2188 if (!korg1212->dma_shared)
2189 return -ENOMEM;
2190 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared->area;
2191 korg1212->sharedBufferPhy = korg1212->dma_shared->addr;
2192
2193 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2194
2195 #ifndef K1212_LARGEALLOC
2196 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2197 korg1212->dma_play = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2198 korg1212->DataBufsSize);
2199 if (!korg1212->dma_play)
2200 return -ENOMEM;
2201
2202 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play->area;
2203 korg1212->PlayDataPhy = korg1212->dma_play->addr;
2204
2205 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2206 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2207
2208 korg1212->dma_rec = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2209 korg1212->DataBufsSize);
2210 if (!korg1212->dma_rec)
2211 return -ENOMEM;
2212
2213 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec->area;
2214 korg1212->RecDataPhy = korg1212->dma_rec->addr;
2215
2216 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2217 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2218
2219 #else // K1212_LARGEALLOC
2220
2221 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2222 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2223 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2224 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2225
2226 #endif // K1212_LARGEALLOC
2227
2228 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2229 offsetof(struct KorgSharedBuffer, volumeData);
2230 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2231 offsetof(struct KorgSharedBuffer, routeData);
2232 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2233 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2234
2235 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2236 if (err < 0) {
2237 dev_err(&pci->dev, "firmware not available\n");
2238 return err;
2239 }
2240
2241 korg1212->dma_dsp = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV,
2242 dsp_code->size);
2243 if (!korg1212->dma_dsp) {
2244 release_firmware(dsp_code);
2245 return -ENOMEM;
2246 }
2247
2248 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2249 korg1212->dma_dsp->area, korg1212->dma_dsp->addr, dsp_code->size,
2250 stateName[korg1212->cardState]);
2251
2252 memcpy(korg1212->dma_dsp->area, dsp_code->data, dsp_code->size);
2253
2254 release_firmware(dsp_code);
2255
2256 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2257
2258 if (rc)
2259 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2260
2261 snd_korg1212_EnableCardInterrupts(korg1212);
2262
2263 mdelay(CARD_BOOT_DELAY_IN_MS);
2264
2265 if (snd_korg1212_downloadDSPCode(korg1212))
2266 return -EBUSY;
2267
2268 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2269 "PlayDataPhy = %08x L[%08x]\n"
2270 "korg1212: RecDataPhy = %08x L[%08x], "
2271 "VolumeTablePhy = %08x L[%08x]\n"
2272 "korg1212: RoutingTablePhy = %08x L[%08x], "
2273 "AdatTimeCodePhy = %08x L[%08x]\n",
2274 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2275 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2276 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2277 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2278 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2279 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2280
2281 err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm);
2282 if (err < 0)
2283 return err;
2284
2285 korg1212->pcm->private_data = korg1212;
2286 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2287 strcpy(korg1212->pcm->name, "korg1212");
2288
2289 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2290
2291 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2292
2293 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2294
2295 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2296 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2297 if (err < 0)
2298 return err;
2299 }
2300
2301 snd_korg1212_proc_init(korg1212);
2302
2303 return 0;
2304 }
2305
2306 /*
2307 * Card initialisation
2308 */
2309
2310 static int
snd_korg1212_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)2311 snd_korg1212_probe(struct pci_dev *pci,
2312 const struct pci_device_id *pci_id)
2313 {
2314 static int dev;
2315 struct snd_korg1212 *korg1212;
2316 struct snd_card *card;
2317 int err;
2318
2319 if (dev >= SNDRV_CARDS) {
2320 return -ENODEV;
2321 }
2322 if (!enable[dev]) {
2323 dev++;
2324 return -ENOENT;
2325 }
2326 err = snd_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2327 sizeof(*korg1212), &card);
2328 if (err < 0)
2329 return err;
2330 korg1212 = card->private_data;
2331
2332 err = snd_korg1212_create(card, pci);
2333 if (err < 0)
2334 goto error;
2335
2336 strcpy(card->driver, "korg1212");
2337 strcpy(card->shortname, "korg1212");
2338 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2339 korg1212->iomem, korg1212->irq);
2340
2341 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2342
2343 err = snd_card_register(card);
2344 if (err < 0)
2345 goto error;
2346 pci_set_drvdata(pci, card);
2347 dev++;
2348 return 0;
2349
2350 error:
2351 snd_card_free(card);
2352 return err;
2353 }
2354
2355 static struct pci_driver korg1212_driver = {
2356 .name = KBUILD_MODNAME,
2357 .id_table = snd_korg1212_ids,
2358 .probe = snd_korg1212_probe,
2359 };
2360
2361 module_pci_driver(korg1212_driver);
2362