1 /*
2 * Driver for the Korg 1212 IO PCI card
3 *
4 * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #include <linux/delay.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/pci.h>
26 #include <linux/slab.h>
27 #include <linux/wait.h>
28 #include <linux/moduleparam.h>
29 #include <linux/mutex.h>
30 #include <linux/firmware.h>
31
32 #include <sound/core.h>
33 #include <sound/info.h>
34 #include <sound/control.h>
35 #include <sound/pcm.h>
36 #include <sound/pcm_params.h>
37 #include <sound/initval.h>
38
39 #include <asm/io.h>
40
41 // ----------------------------------------------------------------------------
42 // Debug Stuff
43 // ----------------------------------------------------------------------------
44 #define K1212_DEBUG_LEVEL 0
45 #if K1212_DEBUG_LEVEL > 0
46 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
47 #else
48 #define K1212_DEBUG_PRINTK(fmt,...)
49 #endif
50 #if K1212_DEBUG_LEVEL > 1
51 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
52 #else
53 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
54 #endif
55
56 // ----------------------------------------------------------------------------
57 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
58 // buffers are alocated as a large piece inside KorgSharedBuffer.
59 // ----------------------------------------------------------------------------
60 //#define K1212_LARGEALLOC 1
61
62 // ----------------------------------------------------------------------------
63 // Valid states of the Korg 1212 I/O card.
64 // ----------------------------------------------------------------------------
65 enum CardState {
66 K1212_STATE_NONEXISTENT, // there is no card here
67 K1212_STATE_UNINITIALIZED, // the card is awaiting DSP download
68 K1212_STATE_DSP_IN_PROCESS, // the card is currently downloading its DSP code
69 K1212_STATE_DSP_COMPLETE, // the card has finished the DSP download
70 K1212_STATE_READY, // the card can be opened by an application. Any application
71 // requests prior to this state should fail. Only an open
72 // request can be made at this state.
73 K1212_STATE_OPEN, // an application has opened the card
74 K1212_STATE_SETUP, // the card has been setup for play
75 K1212_STATE_PLAYING, // the card is playing
76 K1212_STATE_MONITOR, // the card is in the monitor mode
77 K1212_STATE_CALIBRATING, // the card is currently calibrating
78 K1212_STATE_ERRORSTOP, // the card has stopped itself because of an error and we
79 // are in the process of cleaning things up.
80 K1212_STATE_MAX_STATE // state values of this and beyond are invalid
81 };
82
83 // ----------------------------------------------------------------------------
84 // The following enumeration defines the constants written to the card's
85 // host-to-card doorbell to initiate a command.
86 // ----------------------------------------------------------------------------
87 enum korg1212_dbcnst {
88 K1212_DB_RequestForData = 0, // sent by the card to request a buffer fill.
89 K1212_DB_TriggerPlay = 1, // starts playback/record on the card.
90 K1212_DB_SelectPlayMode = 2, // select monitor, playback setup, or stop.
91 K1212_DB_ConfigureBufferMemory = 3, // tells card where the host audio buffers are.
92 K1212_DB_RequestAdatTimecode = 4, // asks the card for the latest ADAT timecode value.
93 K1212_DB_SetClockSourceRate = 5, // sets the clock source and rate for the card.
94 K1212_DB_ConfigureMiscMemory = 6, // tells card where other buffers are.
95 K1212_DB_TriggerFromAdat = 7, // tells card to trigger from Adat at a specific
96 // timecode value.
97 K1212_DB_DMAERROR = 0x80, // DMA Error - the PCI bus is congestioned.
98 K1212_DB_CARDSTOPPED = 0x81, // Card has stopped by user request.
99 K1212_DB_RebootCard = 0xA0, // instructs the card to reboot.
100 K1212_DB_BootFromDSPPage4 = 0xA4, // instructs the card to boot from the DSP microcode
101 // on page 4 (local page to card).
102 K1212_DB_DSPDownloadDone = 0xAE, // sent by the card to indicate the download has
103 // completed.
104 K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware.
105 };
106
107
108 // ----------------------------------------------------------------------------
109 // The following enumeration defines return codes
110 // to the Korg 1212 I/O driver.
111 // ----------------------------------------------------------------------------
112 enum snd_korg1212rc {
113 K1212_CMDRET_Success = 0, // command was successfully placed
114 K1212_CMDRET_DIOCFailure, // the DeviceIoControl call failed
115 K1212_CMDRET_PMFailure, // the protected mode call failed
116 K1212_CMDRET_FailUnspecified, // unspecified failure
117 K1212_CMDRET_FailBadState, // the specified command can not be given in
118 // the card's current state. (or the wave device's
119 // state)
120 K1212_CMDRET_CardUninitialized, // the card is uninitialized and cannot be used
121 K1212_CMDRET_BadIndex, // an out of range card index was specified
122 K1212_CMDRET_BadHandle, // an invalid card handle was specified
123 K1212_CMDRET_NoFillRoutine, // a play request has been made before a fill routine set
124 K1212_CMDRET_FillRoutineInUse, // can't set a new fill routine while one is in use
125 K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command
126 K1212_CMDRET_BadParams, // bad parameters were provided by the caller
127
128 K1212_CMDRET_BadDevice, // the specified wave device was out of range
129 K1212_CMDRET_BadFormat // the specified wave format is unsupported
130 };
131
132 // ----------------------------------------------------------------------------
133 // The following enumeration defines the constants used to select the play
134 // mode for the card in the SelectPlayMode command.
135 // ----------------------------------------------------------------------------
136 enum PlayModeSelector {
137 K1212_MODE_SetupPlay = 0x00000001, // provides card with pre-play information
138 K1212_MODE_MonitorOn = 0x00000002, // tells card to turn on monitor mode
139 K1212_MODE_MonitorOff = 0x00000004, // tells card to turn off monitor mode
140 K1212_MODE_StopPlay = 0x00000008 // stops playback on the card
141 };
142
143 // ----------------------------------------------------------------------------
144 // The following enumeration defines the constants used to select the monitor
145 // mode for the card in the SetMonitorMode command.
146 // ----------------------------------------------------------------------------
147 enum MonitorModeSelector {
148 K1212_MONMODE_Off = 0, // tells card to turn off monitor mode
149 K1212_MONMODE_On // tells card to turn on monitor mode
150 };
151
152 #define MAILBOX0_OFFSET 0x40 // location of mailbox 0 relative to base address
153 #define MAILBOX1_OFFSET 0x44 // location of mailbox 1 relative to base address
154 #define MAILBOX2_OFFSET 0x48 // location of mailbox 2 relative to base address
155 #define MAILBOX3_OFFSET 0x4c // location of mailbox 3 relative to base address
156 #define OUT_DOORBELL_OFFSET 0x60 // location of PCI to local doorbell
157 #define IN_DOORBELL_OFFSET 0x64 // location of local to PCI doorbell
158 #define STATUS_REG_OFFSET 0x68 // location of interrupt control/status register
159 #define PCI_CONTROL_OFFSET 0x6c // location of the EEPROM, PCI, User I/O, init control
160 // register
161 #define SENS_CONTROL_OFFSET 0x6e // location of the input sensitivity setting register.
162 // this is the upper word of the PCI control reg.
163 #define DEV_VEND_ID_OFFSET 0x70 // location of the device and vendor ID register
164
165 #define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt
166 // to send a command before giving up.
167 #define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from
168 // the card.
169 #define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte
170
171 #define CARD_BOOT_DELAY_IN_MS 10
172 #define CARD_BOOT_TIMEOUT 10
173 #define DSP_BOOT_DELAY_IN_MS 200
174
175 #define kNumBuffers 8
176 #define k1212MaxCards 4
177 #define k1212NumWaveDevices 6
178 #define k16BitChannels 10
179 #define k32BitChannels 2
180 #define kAudioChannels (k16BitChannels + k32BitChannels)
181 #define kPlayBufferFrames 1024
182
183 #define K1212_ANALOG_CHANNELS 2
184 #define K1212_SPDIF_CHANNELS 2
185 #define K1212_ADAT_CHANNELS 8
186 #define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
187 #define K1212_MIN_CHANNELS 1
188 #define K1212_MAX_CHANNELS K1212_CHANNELS
189 #define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame))
190 #define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers)
191 #define K1212_PERIODS (kNumBuffers)
192 #define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames)
193 #define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers)
194 #define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
195 #define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
196 #define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
197 #define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
198
199 #define k1212MinADCSens 0x7f
200 #define k1212MaxADCSens 0x00
201 #define k1212MaxVolume 0x7fff
202 #define k1212MaxWaveVolume 0xffff
203 #define k1212MinVolume 0x0000
204 #define k1212MaxVolInverted 0x8000
205
206 // -----------------------------------------------------------------
207 // the following bits are used for controlling interrupts in the
208 // interrupt control/status reg
209 // -----------------------------------------------------------------
210 #define PCI_INT_ENABLE_BIT 0x00000100
211 #define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200
212 #define LOCAL_INT_ENABLE_BIT 0x00010000
213 #define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000
214 #define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000
215
216 // -----------------------------------------------------------------
217 // the following bits are defined for the PCI command register
218 // -----------------------------------------------------------------
219 #define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002
220 #define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001
221 #define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004
222
223 // -----------------------------------------------------------------
224 // the following bits are defined for the PCI status register
225 // -----------------------------------------------------------------
226 #define PCI_STAT_PARITY_ERROR_BIT 0x8000
227 #define PCI_STAT_SYSTEM_ERROR_BIT 0x4000
228 #define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000
229 #define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000
230 #define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800
231
232 // ------------------------------------------------------------------------
233 // the following constants are used in setting the 1212 I/O card's input
234 // sensitivity.
235 // ------------------------------------------------------------------------
236 #define SET_SENS_LOCALINIT_BITPOS 15
237 #define SET_SENS_DATA_BITPOS 10
238 #define SET_SENS_CLOCK_BITPOS 8
239 #define SET_SENS_LOADSHIFT_BITPOS 0
240
241 #define SET_SENS_LEFTCHANID 0x00
242 #define SET_SENS_RIGHTCHANID 0x01
243
244 #define K1212SENSUPDATE_DELAY_IN_MS 50
245
246 // --------------------------------------------------------------------------
247 // WaitRTCTicks
248 //
249 // This function waits the specified number of real time clock ticks.
250 // According to the DDK, each tick is ~0.8 microseconds.
251 // The defines following the function declaration can be used for the
252 // numTicksToWait parameter.
253 // --------------------------------------------------------------------------
254 #define ONE_RTC_TICK 1
255 #define SENSCLKPULSE_WIDTH 4
256 #define LOADSHIFT_DELAY 4
257 #define INTERCOMMAND_DELAY 40
258 #define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write
259 // the command register. (could be up to 180 us)
260 #define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
261 // from the card after sending a command.
262
263 enum ClockSourceIndex {
264 K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz
265 K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz
266 K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz
267 K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz
268 K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz
269 K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz
270 K1212_CLKIDX_Invalid // used to check validity of the index
271 };
272
273 enum ClockSourceType {
274 K1212_CLKIDX_Adat = 0, // selects source as ADAT
275 K1212_CLKIDX_Word, // selects source as S/PDIF
276 K1212_CLKIDX_Local // selects source as local clock
277 };
278
279 struct KorgAudioFrame {
280 u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
281 u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
282 u32 timeCodeVal; /* holds the ADAT timecode value */
283 };
284
285 struct KorgAudioBuffer {
286 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
287 };
288
289 struct KorgSharedBuffer {
290 #ifdef K1212_LARGEALLOC
291 struct KorgAudioBuffer playDataBufs[kNumBuffers];
292 struct KorgAudioBuffer recordDataBufs[kNumBuffers];
293 #endif
294 short volumeData[kAudioChannels];
295 u32 cardCommand;
296 u16 routeData [kAudioChannels];
297 u32 AdatTimeCode; // ADAT timecode value
298 };
299
300 struct SensBits {
301 union {
302 struct {
303 unsigned int leftChanVal:8;
304 unsigned int leftChanId:8;
305 } v;
306 u16 leftSensBits;
307 } l;
308 union {
309 struct {
310 unsigned int rightChanVal:8;
311 unsigned int rightChanId:8;
312 } v;
313 u16 rightSensBits;
314 } r;
315 };
316
317 struct snd_korg1212 {
318 struct snd_card *card;
319 struct pci_dev *pci;
320 struct snd_pcm *pcm;
321 int irq;
322
323 spinlock_t lock;
324 struct mutex open_mutex;
325
326 struct timer_list timer; /* timer callback for checking ack of stop request */
327 int stop_pending_cnt; /* counter for stop pending check */
328
329 wait_queue_head_t wait;
330
331 unsigned long iomem;
332 unsigned long ioport;
333 unsigned long iomem2;
334 unsigned long irqcount;
335 unsigned long inIRQ;
336 void __iomem *iobase;
337
338 struct snd_dma_buffer dma_dsp;
339 struct snd_dma_buffer dma_play;
340 struct snd_dma_buffer dma_rec;
341 struct snd_dma_buffer dma_shared;
342
343 u32 DataBufsSize;
344
345 struct KorgAudioBuffer * playDataBufsPtr;
346 struct KorgAudioBuffer * recordDataBufsPtr;
347
348 struct KorgSharedBuffer * sharedBufferPtr;
349
350 u32 RecDataPhy;
351 u32 PlayDataPhy;
352 unsigned long sharedBufferPhy;
353 u32 VolumeTablePhy;
354 u32 RoutingTablePhy;
355 u32 AdatTimeCodePhy;
356
357 u32 __iomem * statusRegPtr; // address of the interrupt status/control register
358 u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register
359 u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register
360 u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card
361 u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card
362 u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card
363 u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card
364 u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
365 u16 __iomem * sensRegPtr; // address of the sensitivity setting register
366 u32 __iomem * idRegPtr; // address of the device and vendor ID registers
367
368 size_t periodsize;
369 int channels;
370 int currentBuffer;
371
372 struct snd_pcm_substream *playback_substream;
373 struct snd_pcm_substream *capture_substream;
374
375 pid_t capture_pid;
376 pid_t playback_pid;
377
378 enum CardState cardState;
379 int running;
380 int idleMonitorOn; // indicates whether the card is in idle monitor mode.
381 u32 cmdRetryCount; // tracks how many times we have retried sending to the card.
382
383 enum ClockSourceIndex clkSrcRate; // sample rate and clock source
384
385 enum ClockSourceType clkSource; // clock source
386 int clkRate; // clock rate
387
388 int volumePhase[kAudioChannels];
389
390 u16 leftADCInSens; // ADC left channel input sensitivity
391 u16 rightADCInSens; // ADC right channel input sensitivity
392
393 int opencnt; // Open/Close count
394 int setcnt; // SetupForPlay count
395 int playcnt; // TriggerPlay count
396 int errorcnt; // Error Count
397 unsigned long totalerrorcnt; // Total Error Count
398
399 int dsp_is_loaded;
400 int dsp_stop_is_processed;
401
402 };
403
404 MODULE_DESCRIPTION("korg1212");
405 MODULE_LICENSE("GPL");
406 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
407 MODULE_FIRMWARE("korg/k1212.dsp");
408
409 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
410 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
411 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
412
413 module_param_array(index, int, NULL, 0444);
414 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
415 module_param_array(id, charp, NULL, 0444);
416 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
417 module_param_array(enable, bool, NULL, 0444);
418 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
419 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
420
421 static struct pci_device_id snd_korg1212_ids[] = {
422 {
423 .vendor = 0x10b5,
424 .device = 0x906d,
425 .subvendor = PCI_ANY_ID,
426 .subdevice = PCI_ANY_ID,
427 },
428 { 0, },
429 };
430
431 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
432
433 static char *stateName[] = {
434 "Non-existent",
435 "Uninitialized",
436 "DSP download in process",
437 "DSP download complete",
438 "Ready",
439 "Open",
440 "Setup for play",
441 "Playing",
442 "Monitor mode on",
443 "Calibrating",
444 "Invalid"
445 };
446
447 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
448
449 static char *clockSourceName[] = {
450 "ADAT at 44.1 kHz",
451 "ADAT at 48 kHz",
452 "S/PDIF at 44.1 kHz",
453 "S/PDIF at 48 kHz",
454 "local clock at 44.1 kHz",
455 "local clock at 48 kHz"
456 };
457
458 static char *channelName[] = {
459 "ADAT-1",
460 "ADAT-2",
461 "ADAT-3",
462 "ADAT-4",
463 "ADAT-5",
464 "ADAT-6",
465 "ADAT-7",
466 "ADAT-8",
467 "Analog-L",
468 "Analog-R",
469 "SPDIF-L",
470 "SPDIF-R",
471 };
472
473 static u16 ClockSourceSelector[] = {
474 0x8000, // selects source as ADAT at 44.1 kHz
475 0x0000, // selects source as ADAT at 48 kHz
476 0x8001, // selects source as S/PDIF at 44.1 kHz
477 0x0001, // selects source as S/PDIF at 48 kHz
478 0x8002, // selects source as local clock at 44.1 kHz
479 0x0002 // selects source as local clock at 48 kHz
480 };
481
482 union swap_u32 { unsigned char c[4]; u32 i; };
483
484 #ifdef SNDRV_BIG_ENDIAN
LowerWordSwap(u32 swappee)485 static u32 LowerWordSwap(u32 swappee)
486 #else
487 static u32 UpperWordSwap(u32 swappee)
488 #endif
489 {
490 union swap_u32 retVal, swapper;
491
492 swapper.i = swappee;
493 retVal.c[2] = swapper.c[3];
494 retVal.c[3] = swapper.c[2];
495 retVal.c[1] = swapper.c[1];
496 retVal.c[0] = swapper.c[0];
497
498 return retVal.i;
499 }
500
501 #ifdef SNDRV_BIG_ENDIAN
UpperWordSwap(u32 swappee)502 static u32 UpperWordSwap(u32 swappee)
503 #else
504 static u32 LowerWordSwap(u32 swappee)
505 #endif
506 {
507 union swap_u32 retVal, swapper;
508
509 swapper.i = swappee;
510 retVal.c[2] = swapper.c[2];
511 retVal.c[3] = swapper.c[3];
512 retVal.c[1] = swapper.c[0];
513 retVal.c[0] = swapper.c[1];
514
515 return retVal.i;
516 }
517
518 #define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
519 #define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
520 #define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
521 #define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
522
snd_korg1212_Send1212Command(struct snd_korg1212 * korg1212,enum korg1212_dbcnst doorbellVal,u32 mailBox0Val,u32 mailBox1Val,u32 mailBox2Val,u32 mailBox3Val)523 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
524 enum korg1212_dbcnst doorbellVal,
525 u32 mailBox0Val, u32 mailBox1Val,
526 u32 mailBox2Val, u32 mailBox3Val)
527 {
528 u32 retryCount;
529 u16 mailBox3Lo;
530 int rc = K1212_CMDRET_Success;
531
532 if (!korg1212->outDoorbellPtr) {
533 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
534 return K1212_CMDRET_CardUninitialized;
535 }
536
537 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
538 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
539 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
540 writel(mailBox3Val, korg1212->mailbox3Ptr);
541 writel(mailBox2Val, korg1212->mailbox2Ptr);
542 writel(mailBox1Val, korg1212->mailbox1Ptr);
543 writel(mailBox0Val, korg1212->mailbox0Ptr);
544 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
545
546 // --------------------------------------------------------------
547 // the reboot command will not give an acknowledgement.
548 // --------------------------------------------------------------
549 if ( doorbellVal == K1212_DB_RebootCard ||
550 doorbellVal == K1212_DB_BootFromDSPPage4 ||
551 doorbellVal == K1212_DB_StartDSPDownload ) {
552 rc = K1212_CMDRET_Success;
553 break;
554 }
555
556 // --------------------------------------------------------------
557 // See if the card acknowledged the command. Wait a bit, then
558 // read in the low word of mailbox3. If the MSB is set and the
559 // low byte is equal to the doorbell value, then it ack'd.
560 // --------------------------------------------------------------
561 udelay(COMMAND_ACK_DELAY);
562 mailBox3Lo = readl(korg1212->mailbox3Ptr);
563 if (mailBox3Lo & COMMAND_ACK_MASK) {
564 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
565 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
566 rc = K1212_CMDRET_Success;
567 break;
568 }
569 }
570 }
571 korg1212->cmdRetryCount += retryCount;
572
573 if (retryCount >= MAX_COMMAND_RETRIES) {
574 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
575 rc = K1212_CMDRET_NoAckFromCard;
576 }
577
578 return rc;
579 }
580
581 /* spinlock already held */
snd_korg1212_SendStop(struct snd_korg1212 * korg1212)582 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
583 {
584 if (! korg1212->stop_pending_cnt) {
585 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
586 /* program the timer */
587 korg1212->stop_pending_cnt = HZ;
588 korg1212->timer.expires = jiffies + 1;
589 add_timer(&korg1212->timer);
590 }
591 }
592
snd_korg1212_SendStopAndWait(struct snd_korg1212 * korg1212)593 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
594 {
595 unsigned long flags;
596 spin_lock_irqsave(&korg1212->lock, flags);
597 korg1212->dsp_stop_is_processed = 0;
598 snd_korg1212_SendStop(korg1212);
599 spin_unlock_irqrestore(&korg1212->lock, flags);
600 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
601 }
602
603 /* timer callback for checking the ack of stop request */
snd_korg1212_timer_func(unsigned long data)604 static void snd_korg1212_timer_func(unsigned long data)
605 {
606 struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
607 unsigned long flags;
608
609 spin_lock_irqsave(&korg1212->lock, flags);
610 if (korg1212->sharedBufferPtr->cardCommand == 0) {
611 /* ack'ed */
612 korg1212->stop_pending_cnt = 0;
613 korg1212->dsp_stop_is_processed = 1;
614 wake_up(&korg1212->wait);
615 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
616 stateName[korg1212->cardState]);
617 } else {
618 if (--korg1212->stop_pending_cnt > 0) {
619 /* reprogram timer */
620 korg1212->timer.expires = jiffies + 1;
621 add_timer(&korg1212->timer);
622 } else {
623 snd_printd("korg1212_timer_func timeout\n");
624 korg1212->sharedBufferPtr->cardCommand = 0;
625 korg1212->dsp_stop_is_processed = 1;
626 wake_up(&korg1212->wait);
627 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
628 stateName[korg1212->cardState]);
629 }
630 }
631 spin_unlock_irqrestore(&korg1212->lock, flags);
632 }
633
snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 * korg1212)634 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
635 {
636 unsigned long flags;
637 int rc;
638
639 udelay(INTERCOMMAND_DELAY);
640 spin_lock_irqsave(&korg1212->lock, flags);
641 korg1212->idleMonitorOn = 1;
642 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
643 K1212_MODE_MonitorOn, 0, 0, 0);
644 spin_unlock_irqrestore(&korg1212->lock, flags);
645 return rc;
646 }
647
snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 * korg1212)648 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
649 {
650 if (korg1212->idleMonitorOn) {
651 snd_korg1212_SendStopAndWait(korg1212);
652 korg1212->idleMonitorOn = 0;
653 }
654 }
655
snd_korg1212_setCardState(struct snd_korg1212 * korg1212,enum CardState csState)656 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
657 {
658 korg1212->cardState = csState;
659 }
660
snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)661 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
662 {
663 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
664 stateName[korg1212->cardState], korg1212->opencnt);
665 mutex_lock(&korg1212->open_mutex);
666 if (korg1212->opencnt++ == 0) {
667 snd_korg1212_TurnOffIdleMonitor(korg1212);
668 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
669 }
670
671 mutex_unlock(&korg1212->open_mutex);
672 return 1;
673 }
674
snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)675 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
676 {
677 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
678 stateName[korg1212->cardState], korg1212->opencnt);
679
680 mutex_lock(&korg1212->open_mutex);
681 if (--(korg1212->opencnt)) {
682 mutex_unlock(&korg1212->open_mutex);
683 return 0;
684 }
685
686 if (korg1212->cardState == K1212_STATE_SETUP) {
687 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
688 K1212_MODE_StopPlay, 0, 0, 0);
689 if (rc)
690 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
691 rc, stateName[korg1212->cardState]);
692 if (rc != K1212_CMDRET_Success) {
693 mutex_unlock(&korg1212->open_mutex);
694 return 0;
695 }
696 } else if (korg1212->cardState > K1212_STATE_SETUP) {
697 snd_korg1212_SendStopAndWait(korg1212);
698 }
699
700 if (korg1212->cardState > K1212_STATE_READY) {
701 snd_korg1212_TurnOnIdleMonitor(korg1212);
702 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
703 }
704
705 mutex_unlock(&korg1212->open_mutex);
706 return 0;
707 }
708
709 /* spinlock already held */
snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)710 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
711 {
712 int rc;
713
714 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
715 stateName[korg1212->cardState], korg1212->setcnt);
716
717 if (korg1212->setcnt++)
718 return 0;
719
720 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
721 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
722 K1212_MODE_SetupPlay, 0, 0, 0);
723 if (rc)
724 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
725 rc, stateName[korg1212->cardState]);
726 if (rc != K1212_CMDRET_Success) {
727 return 1;
728 }
729 return 0;
730 }
731
732 /* spinlock already held */
snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)733 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
734 {
735 int rc;
736
737 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
738 stateName[korg1212->cardState], korg1212->playcnt);
739
740 if (korg1212->playcnt++)
741 return 0;
742
743 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
744 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
745 if (rc)
746 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
747 rc, stateName[korg1212->cardState]);
748 if (rc != K1212_CMDRET_Success) {
749 return 1;
750 }
751 return 0;
752 }
753
754 /* spinlock already held */
snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)755 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
756 {
757 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
758 stateName[korg1212->cardState], korg1212->playcnt);
759
760 if (--(korg1212->playcnt))
761 return 0;
762
763 korg1212->setcnt = 0;
764
765 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
766 snd_korg1212_SendStop(korg1212);
767
768 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
769 return 0;
770 }
771
snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)772 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
773 {
774 writel(PCI_INT_ENABLE_BIT |
775 PCI_DOORBELL_INT_ENABLE_BIT |
776 LOCAL_INT_ENABLE_BIT |
777 LOCAL_DOORBELL_INT_ENABLE_BIT |
778 LOCAL_DMA1_INT_ENABLE_BIT,
779 korg1212->statusRegPtr);
780 }
781
782 #if 0 /* not used */
783
784 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
785 enum MonitorModeSelector mode)
786 {
787 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
788 stateName[korg1212->cardState]);
789
790 switch (mode) {
791 case K1212_MONMODE_Off:
792 if (korg1212->cardState != K1212_STATE_MONITOR)
793 return 0;
794 else {
795 snd_korg1212_SendStopAndWait(korg1212);
796 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
797 }
798 break;
799
800 case K1212_MONMODE_On:
801 if (korg1212->cardState != K1212_STATE_OPEN)
802 return 0;
803 else {
804 int rc;
805 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
806 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
807 K1212_MODE_MonitorOn, 0, 0, 0);
808 if (rc != K1212_CMDRET_Success)
809 return 0;
810 }
811 break;
812
813 default:
814 return 0;
815 }
816
817 return 1;
818 }
819
820 #endif /* not used */
821
snd_korg1212_use_is_exclusive(struct snd_korg1212 * korg1212)822 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
823 {
824 if (korg1212->playback_pid != korg1212->capture_pid &&
825 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
826 return 0;
827
828 return 1;
829 }
830
snd_korg1212_SetRate(struct snd_korg1212 * korg1212,int rate)831 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
832 {
833 static enum ClockSourceIndex s44[] = {
834 K1212_CLKIDX_AdatAt44_1K,
835 K1212_CLKIDX_WordAt44_1K,
836 K1212_CLKIDX_LocalAt44_1K
837 };
838 static enum ClockSourceIndex s48[] = {
839 K1212_CLKIDX_AdatAt48K,
840 K1212_CLKIDX_WordAt48K,
841 K1212_CLKIDX_LocalAt48K
842 };
843 int parm, rc;
844
845 if (!snd_korg1212_use_is_exclusive (korg1212))
846 return -EBUSY;
847
848 switch (rate) {
849 case 44100:
850 parm = s44[korg1212->clkSource];
851 break;
852
853 case 48000:
854 parm = s48[korg1212->clkSource];
855 break;
856
857 default:
858 return -EINVAL;
859 }
860
861 korg1212->clkSrcRate = parm;
862 korg1212->clkRate = rate;
863
864 udelay(INTERCOMMAND_DELAY);
865 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
866 ClockSourceSelector[korg1212->clkSrcRate],
867 0, 0, 0);
868 if (rc)
869 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
870 rc, stateName[korg1212->cardState]);
871
872 return 0;
873 }
874
snd_korg1212_SetClockSource(struct snd_korg1212 * korg1212,int source)875 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
876 {
877
878 if (source < 0 || source > 2)
879 return -EINVAL;
880
881 korg1212->clkSource = source;
882
883 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
884
885 return 0;
886 }
887
snd_korg1212_DisableCardInterrupts(struct snd_korg1212 * korg1212)888 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
889 {
890 writel(0, korg1212->statusRegPtr);
891 }
892
snd_korg1212_WriteADCSensitivity(struct snd_korg1212 * korg1212)893 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
894 {
895 struct SensBits sensVals;
896 int bitPosition;
897 int channel;
898 int clkIs48K;
899 int monModeSet;
900 u16 controlValue; // this keeps the current value to be written to
901 // the card's eeprom control register.
902 u16 count;
903 unsigned long flags;
904
905 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
906 stateName[korg1212->cardState]);
907
908 // ----------------------------------------------------------------------------
909 // initialize things. The local init bit is always set when writing to the
910 // card's control register.
911 // ----------------------------------------------------------------------------
912 controlValue = 0;
913 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
914
915 // ----------------------------------------------------------------------------
916 // make sure the card is not in monitor mode when we do this update.
917 // ----------------------------------------------------------------------------
918 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
919 monModeSet = 1;
920 snd_korg1212_SendStopAndWait(korg1212);
921 } else
922 monModeSet = 0;
923
924 spin_lock_irqsave(&korg1212->lock, flags);
925
926 // ----------------------------------------------------------------------------
927 // we are about to send new values to the card, so clear the new values queued
928 // flag. Also, clear out mailbox 3, so we don't lockup.
929 // ----------------------------------------------------------------------------
930 writel(0, korg1212->mailbox3Ptr);
931 udelay(LOADSHIFT_DELAY);
932
933 // ----------------------------------------------------------------------------
934 // determine whether we are running a 48K or 44.1K clock. This info is used
935 // later when setting the SPDIF FF after the volume has been shifted in.
936 // ----------------------------------------------------------------------------
937 switch (korg1212->clkSrcRate) {
938 case K1212_CLKIDX_AdatAt44_1K:
939 case K1212_CLKIDX_WordAt44_1K:
940 case K1212_CLKIDX_LocalAt44_1K:
941 clkIs48K = 0;
942 break;
943
944 case K1212_CLKIDX_WordAt48K:
945 case K1212_CLKIDX_AdatAt48K:
946 case K1212_CLKIDX_LocalAt48K:
947 default:
948 clkIs48K = 1;
949 break;
950 }
951
952 // ----------------------------------------------------------------------------
953 // start the update. Setup the bit structure and then shift the bits.
954 // ----------------------------------------------------------------------------
955 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
956 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
957 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
958 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
959
960 // ----------------------------------------------------------------------------
961 // now start shifting the bits in. Start with the left channel then the right.
962 // ----------------------------------------------------------------------------
963 for (channel = 0; channel < 2; channel++) {
964
965 // ----------------------------------------------------------------------------
966 // Bring the load/shift line low, then wait - the spec says >150ns from load/
967 // shift low to the first rising edge of the clock.
968 // ----------------------------------------------------------------------------
969 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
970 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
971 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
972 udelay(LOADSHIFT_DELAY);
973
974 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
975 if (channel == 0) {
976 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
977 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
978 else
979 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
980 } else {
981 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
982 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
983 else
984 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
985 }
986
987 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
988 writew(controlValue, korg1212->sensRegPtr); // clock goes low
989 udelay(SENSCLKPULSE_WIDTH);
990 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
991 writew(controlValue, korg1212->sensRegPtr); // clock goes high
992 udelay(SENSCLKPULSE_WIDTH);
993 }
994
995 // ----------------------------------------------------------------------------
996 // finish up SPDIF for left. Bring the load/shift line high, then write a one
997 // bit if the clock rate is 48K otherwise write 0.
998 // ----------------------------------------------------------------------------
999 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1000 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1001 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1002 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
1003 udelay(SENSCLKPULSE_WIDTH);
1004
1005 if (clkIs48K)
1006 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1007
1008 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
1009 udelay(ONE_RTC_TICK);
1010 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011 writew(controlValue, korg1212->sensRegPtr); // clock goes high
1012 udelay(SENSCLKPULSE_WIDTH);
1013 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1014 writew(controlValue, korg1212->sensRegPtr); // clock goes low
1015 udelay(SENSCLKPULSE_WIDTH);
1016 }
1017
1018 // ----------------------------------------------------------------------------
1019 // The update is complete. Set a timeout. This is the inter-update delay.
1020 // Also, if the card was in monitor mode, restore it.
1021 // ----------------------------------------------------------------------------
1022 for (count = 0; count < 10; count++)
1023 udelay(SENSCLKPULSE_WIDTH);
1024
1025 if (monModeSet) {
1026 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1027 K1212_MODE_MonitorOn, 0, 0, 0);
1028 if (rc)
1029 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1030 rc, stateName[korg1212->cardState]);
1031 }
1032
1033 spin_unlock_irqrestore(&korg1212->lock, flags);
1034
1035 return 1;
1036 }
1037
snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 * korg1212)1038 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1039 {
1040 int channel, rc;
1041
1042 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1043 stateName[korg1212->cardState]);
1044
1045 // ----------------------------------------------------
1046 // tell the card to boot
1047 // ----------------------------------------------------
1048 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1049
1050 if (rc)
1051 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1052 rc, stateName[korg1212->cardState]);
1053 msleep(DSP_BOOT_DELAY_IN_MS);
1054
1055 // --------------------------------------------------------------------------------
1056 // Let the card know where all the buffers are.
1057 // --------------------------------------------------------------------------------
1058 rc = snd_korg1212_Send1212Command(korg1212,
1059 K1212_DB_ConfigureBufferMemory,
1060 LowerWordSwap(korg1212->PlayDataPhy),
1061 LowerWordSwap(korg1212->RecDataPhy),
1062 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1063 // is based on 2 buffers
1064 0
1065 );
1066
1067 if (rc)
1068 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1069 rc, stateName[korg1212->cardState]);
1070
1071 udelay(INTERCOMMAND_DELAY);
1072
1073 rc = snd_korg1212_Send1212Command(korg1212,
1074 K1212_DB_ConfigureMiscMemory,
1075 LowerWordSwap(korg1212->VolumeTablePhy),
1076 LowerWordSwap(korg1212->RoutingTablePhy),
1077 LowerWordSwap(korg1212->AdatTimeCodePhy),
1078 0
1079 );
1080
1081 if (rc)
1082 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1083 rc, stateName[korg1212->cardState]);
1084
1085 // --------------------------------------------------------------------------------
1086 // Initialize the routing and volume tables, then update the card's state.
1087 // --------------------------------------------------------------------------------
1088 udelay(INTERCOMMAND_DELAY);
1089
1090 for (channel = 0; channel < kAudioChannels; channel++) {
1091 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1092 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1093 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1094 }
1095
1096 snd_korg1212_WriteADCSensitivity(korg1212);
1097
1098 udelay(INTERCOMMAND_DELAY);
1099 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1100 ClockSourceSelector[korg1212->clkSrcRate],
1101 0, 0, 0);
1102 if (rc)
1103 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1104 rc, stateName[korg1212->cardState]);
1105
1106 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1107 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1108
1109 if (rc)
1110 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1111 rc, stateName[korg1212->cardState]);
1112
1113 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1114 }
1115
snd_korg1212_interrupt(int irq,void * dev_id)1116 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1117 {
1118 u32 doorbellValue;
1119 struct snd_korg1212 *korg1212 = dev_id;
1120
1121 doorbellValue = readl(korg1212->inDoorbellPtr);
1122
1123 if (!doorbellValue)
1124 return IRQ_NONE;
1125
1126 spin_lock(&korg1212->lock);
1127
1128 writel(doorbellValue, korg1212->inDoorbellPtr);
1129
1130 korg1212->irqcount++;
1131
1132 korg1212->inIRQ++;
1133
1134 switch (doorbellValue) {
1135 case K1212_DB_DSPDownloadDone:
1136 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1137 korg1212->irqcount, doorbellValue,
1138 stateName[korg1212->cardState]);
1139 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1140 korg1212->dsp_is_loaded = 1;
1141 wake_up(&korg1212->wait);
1142 }
1143 break;
1144
1145 // ------------------------------------------------------------------------
1146 // an error occurred - stop the card
1147 // ------------------------------------------------------------------------
1148 case K1212_DB_DMAERROR:
1149 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1150 korg1212->irqcount, doorbellValue,
1151 stateName[korg1212->cardState]);
1152 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1153 korg1212->errorcnt++;
1154 korg1212->totalerrorcnt++;
1155 korg1212->sharedBufferPtr->cardCommand = 0;
1156 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1157 break;
1158
1159 // ------------------------------------------------------------------------
1160 // the card has stopped by our request. Clear the command word and signal
1161 // the semaphore in case someone is waiting for this.
1162 // ------------------------------------------------------------------------
1163 case K1212_DB_CARDSTOPPED:
1164 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1165 korg1212->irqcount, doorbellValue,
1166 stateName[korg1212->cardState]);
1167 korg1212->sharedBufferPtr->cardCommand = 0;
1168 break;
1169
1170 default:
1171 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1172 korg1212->irqcount, doorbellValue,
1173 korg1212->currentBuffer, stateName[korg1212->cardState]);
1174 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1175 korg1212->currentBuffer++;
1176
1177 if (korg1212->currentBuffer >= kNumBuffers)
1178 korg1212->currentBuffer = 0;
1179
1180 if (!korg1212->running)
1181 break;
1182
1183 if (korg1212->capture_substream) {
1184 spin_unlock(&korg1212->lock);
1185 snd_pcm_period_elapsed(korg1212->capture_substream);
1186 spin_lock(&korg1212->lock);
1187 }
1188
1189 if (korg1212->playback_substream) {
1190 spin_unlock(&korg1212->lock);
1191 snd_pcm_period_elapsed(korg1212->playback_substream);
1192 spin_lock(&korg1212->lock);
1193 }
1194 }
1195 break;
1196 }
1197
1198 korg1212->inIRQ--;
1199
1200 spin_unlock(&korg1212->lock);
1201
1202 return IRQ_HANDLED;
1203 }
1204
snd_korg1212_downloadDSPCode(struct snd_korg1212 * korg1212)1205 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1206 {
1207 int rc;
1208
1209 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1210 stateName[korg1212->cardState]);
1211
1212 // ---------------------------------------------------------------
1213 // verify the state of the card before proceeding.
1214 // ---------------------------------------------------------------
1215 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1216 return 1;
1217
1218 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1219
1220 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1221 UpperWordSwap(korg1212->dma_dsp.addr),
1222 0, 0, 0);
1223 if (rc)
1224 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1225 rc, stateName[korg1212->cardState]);
1226
1227 korg1212->dsp_is_loaded = 0;
1228 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1229 if (! korg1212->dsp_is_loaded )
1230 return -EBUSY; /* timeout */
1231
1232 snd_korg1212_OnDSPDownloadComplete(korg1212);
1233
1234 return 0;
1235 }
1236
1237 static struct snd_pcm_hardware snd_korg1212_playback_info =
1238 {
1239 .info = (SNDRV_PCM_INFO_MMAP |
1240 SNDRV_PCM_INFO_MMAP_VALID |
1241 SNDRV_PCM_INFO_INTERLEAVED),
1242 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1243 .rates = (SNDRV_PCM_RATE_44100 |
1244 SNDRV_PCM_RATE_48000),
1245 .rate_min = 44100,
1246 .rate_max = 48000,
1247 .channels_min = K1212_MIN_CHANNELS,
1248 .channels_max = K1212_MAX_CHANNELS,
1249 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1250 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1251 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1252 .periods_min = K1212_PERIODS,
1253 .periods_max = K1212_PERIODS,
1254 .fifo_size = 0,
1255 };
1256
1257 static struct snd_pcm_hardware snd_korg1212_capture_info =
1258 {
1259 .info = (SNDRV_PCM_INFO_MMAP |
1260 SNDRV_PCM_INFO_MMAP_VALID |
1261 SNDRV_PCM_INFO_INTERLEAVED),
1262 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1263 .rates = (SNDRV_PCM_RATE_44100 |
1264 SNDRV_PCM_RATE_48000),
1265 .rate_min = 44100,
1266 .rate_max = 48000,
1267 .channels_min = K1212_MIN_CHANNELS,
1268 .channels_max = K1212_MAX_CHANNELS,
1269 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1270 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1271 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1272 .periods_min = K1212_PERIODS,
1273 .periods_max = K1212_PERIODS,
1274 .fifo_size = 0,
1275 };
1276
snd_korg1212_silence(struct snd_korg1212 * korg1212,int pos,int count,int offset,int size)1277 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1278 {
1279 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1280 int i;
1281
1282 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1283 pos, offset, size, count);
1284 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1285 return -EINVAL;
1286
1287 for (i=0; i < count; i++) {
1288 #if K1212_DEBUG_LEVEL > 0
1289 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1290 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1291 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1292 dst, i);
1293 return -EFAULT;
1294 }
1295 #endif
1296 memset((void*) dst + offset, 0, size);
1297 dst++;
1298 }
1299
1300 return 0;
1301 }
1302
snd_korg1212_copy_to(struct snd_korg1212 * korg1212,void __user * dst,int pos,int count,int offset,int size)1303 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1304 {
1305 struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1306 int i, rc;
1307
1308 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1309 pos, offset, size);
1310 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1311 return -EINVAL;
1312
1313 for (i=0; i < count; i++) {
1314 #if K1212_DEBUG_LEVEL > 0
1315 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1316 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1317 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1318 return -EFAULT;
1319 }
1320 #endif
1321 rc = copy_to_user(dst + offset, src, size);
1322 if (rc) {
1323 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1324 return -EFAULT;
1325 }
1326 src++;
1327 dst += size;
1328 }
1329
1330 return 0;
1331 }
1332
snd_korg1212_copy_from(struct snd_korg1212 * korg1212,void __user * src,int pos,int count,int offset,int size)1333 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1334 {
1335 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1336 int i, rc;
1337
1338 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1339 pos, offset, 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 rc = copy_from_user((void*) dst + offset, src, size);
1353 if (rc) {
1354 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1355 return -EFAULT;
1356 }
1357 dst++;
1358 src += size;
1359 }
1360
1361 return 0;
1362 }
1363
snd_korg1212_free_pcm(struct snd_pcm * pcm)1364 static 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
snd_korg1212_playback_open(struct snd_pcm_substream * substream)1374 static 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_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1399 return 0;
1400 }
1401
1402
snd_korg1212_capture_open(struct snd_pcm_substream * substream)1403 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1404 {
1405 unsigned long flags;
1406 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1407 struct snd_pcm_runtime *runtime = substream->runtime;
1408
1409 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1410 stateName[korg1212->cardState]);
1411
1412 snd_korg1212_OpenCard(korg1212);
1413
1414 runtime->hw = snd_korg1212_capture_info;
1415 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1416
1417 spin_lock_irqsave(&korg1212->lock, flags);
1418
1419 korg1212->capture_substream = substream;
1420 korg1212->capture_pid = current->pid;
1421 korg1212->periodsize = K1212_PERIODS;
1422 korg1212->channels = K1212_CHANNELS;
1423
1424 spin_unlock_irqrestore(&korg1212->lock, flags);
1425
1426 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1427 kPlayBufferFrames, kPlayBufferFrames);
1428 return 0;
1429 }
1430
snd_korg1212_playback_close(struct snd_pcm_substream * substream)1431 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1432 {
1433 unsigned long flags;
1434 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1435
1436 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1437 stateName[korg1212->cardState]);
1438
1439 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1440
1441 spin_lock_irqsave(&korg1212->lock, flags);
1442
1443 korg1212->playback_pid = -1;
1444 korg1212->playback_substream = NULL;
1445 korg1212->periodsize = 0;
1446
1447 spin_unlock_irqrestore(&korg1212->lock, flags);
1448
1449 snd_korg1212_CloseCard(korg1212);
1450 return 0;
1451 }
1452
snd_korg1212_capture_close(struct snd_pcm_substream * substream)1453 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1454 {
1455 unsigned long flags;
1456 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1457
1458 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1459 stateName[korg1212->cardState]);
1460
1461 spin_lock_irqsave(&korg1212->lock, flags);
1462
1463 korg1212->capture_pid = -1;
1464 korg1212->capture_substream = NULL;
1465 korg1212->periodsize = 0;
1466
1467 spin_unlock_irqrestore(&korg1212->lock, flags);
1468
1469 snd_korg1212_CloseCard(korg1212);
1470 return 0;
1471 }
1472
snd_korg1212_ioctl(struct snd_pcm_substream * substream,unsigned int cmd,void * arg)1473 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1474 unsigned int cmd, void *arg)
1475 {
1476 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1477
1478 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1479 struct snd_pcm_channel_info *info = arg;
1480 info->offset = 0;
1481 info->first = info->channel * 16;
1482 info->step = 256;
1483 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1484 return 0;
1485 }
1486
1487 return snd_pcm_lib_ioctl(substream, cmd, arg);
1488 }
1489
snd_korg1212_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)1490 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1491 struct snd_pcm_hw_params *params)
1492 {
1493 unsigned long flags;
1494 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1495 int err;
1496 pid_t this_pid;
1497 pid_t other_pid;
1498
1499 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1500 stateName[korg1212->cardState]);
1501
1502 spin_lock_irqsave(&korg1212->lock, flags);
1503
1504 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1505 this_pid = korg1212->playback_pid;
1506 other_pid = korg1212->capture_pid;
1507 } else {
1508 this_pid = korg1212->capture_pid;
1509 other_pid = korg1212->playback_pid;
1510 }
1511
1512 if ((other_pid > 0) && (this_pid != other_pid)) {
1513
1514 /* The other stream is open, and not by the same
1515 task as this one. Make sure that the parameters
1516 that matter are the same.
1517 */
1518
1519 if ((int)params_rate(params) != korg1212->clkRate) {
1520 spin_unlock_irqrestore(&korg1212->lock, flags);
1521 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1522 return -EBUSY;
1523 }
1524
1525 spin_unlock_irqrestore(&korg1212->lock, flags);
1526 return 0;
1527 }
1528
1529 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1530 spin_unlock_irqrestore(&korg1212->lock, flags);
1531 return err;
1532 }
1533
1534 korg1212->channels = params_channels(params);
1535 korg1212->periodsize = K1212_PERIOD_BYTES;
1536
1537 spin_unlock_irqrestore(&korg1212->lock, flags);
1538
1539 return 0;
1540 }
1541
snd_korg1212_prepare(struct snd_pcm_substream * substream)1542 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1543 {
1544 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1545 int rc;
1546
1547 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1548 stateName[korg1212->cardState]);
1549
1550 spin_lock_irq(&korg1212->lock);
1551
1552 /* FIXME: we should wait for ack! */
1553 if (korg1212->stop_pending_cnt > 0) {
1554 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1555 stateName[korg1212->cardState]);
1556 spin_unlock_irq(&korg1212->lock);
1557 return -EAGAIN;
1558 /*
1559 korg1212->sharedBufferPtr->cardCommand = 0;
1560 del_timer(&korg1212->timer);
1561 korg1212->stop_pending_cnt = 0;
1562 */
1563 }
1564
1565 rc = snd_korg1212_SetupForPlay(korg1212);
1566
1567 korg1212->currentBuffer = 0;
1568
1569 spin_unlock_irq(&korg1212->lock);
1570
1571 return rc ? -EINVAL : 0;
1572 }
1573
snd_korg1212_trigger(struct snd_pcm_substream * substream,int cmd)1574 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1575 int cmd)
1576 {
1577 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1578 int rc;
1579
1580 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1581 stateName[korg1212->cardState], cmd);
1582
1583 spin_lock(&korg1212->lock);
1584 switch (cmd) {
1585 case SNDRV_PCM_TRIGGER_START:
1586 /*
1587 if (korg1212->running) {
1588 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1589 break;
1590 }
1591 */
1592 korg1212->running++;
1593 rc = snd_korg1212_TriggerPlay(korg1212);
1594 break;
1595
1596 case SNDRV_PCM_TRIGGER_STOP:
1597 /*
1598 if (!korg1212->running) {
1599 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1600 break;
1601 }
1602 */
1603 korg1212->running--;
1604 rc = snd_korg1212_StopPlay(korg1212);
1605 break;
1606
1607 default:
1608 rc = 1;
1609 break;
1610 }
1611 spin_unlock(&korg1212->lock);
1612 return rc ? -EINVAL : 0;
1613 }
1614
snd_korg1212_playback_pointer(struct snd_pcm_substream * substream)1615 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1616 {
1617 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1618 snd_pcm_uframes_t pos;
1619
1620 pos = korg1212->currentBuffer * kPlayBufferFrames;
1621
1622 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1623 stateName[korg1212->cardState], pos);
1624
1625 return pos;
1626 }
1627
snd_korg1212_capture_pointer(struct snd_pcm_substream * substream)1628 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1629 {
1630 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1631 snd_pcm_uframes_t pos;
1632
1633 pos = korg1212->currentBuffer * kPlayBufferFrames;
1634
1635 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1636 stateName[korg1212->cardState], pos);
1637
1638 return pos;
1639 }
1640
snd_korg1212_playback_copy(struct snd_pcm_substream * substream,int channel,snd_pcm_uframes_t pos,void __user * src,snd_pcm_uframes_t count)1641 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1642 int channel, /* not used (interleaved data) */
1643 snd_pcm_uframes_t pos,
1644 void __user *src,
1645 snd_pcm_uframes_t count)
1646 {
1647 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1648
1649 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1650 stateName[korg1212->cardState], pos, count);
1651
1652 return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1653
1654 }
1655
snd_korg1212_playback_silence(struct snd_pcm_substream * substream,int channel,snd_pcm_uframes_t pos,snd_pcm_uframes_t count)1656 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1657 int channel, /* not used (interleaved data) */
1658 snd_pcm_uframes_t pos,
1659 snd_pcm_uframes_t count)
1660 {
1661 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1662
1663 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1664 stateName[korg1212->cardState]);
1665
1666 return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1667 }
1668
snd_korg1212_capture_copy(struct snd_pcm_substream * substream,int channel,snd_pcm_uframes_t pos,void __user * dst,snd_pcm_uframes_t count)1669 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1670 int channel, /* not used (interleaved data) */
1671 snd_pcm_uframes_t pos,
1672 void __user *dst,
1673 snd_pcm_uframes_t count)
1674 {
1675 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1676
1677 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1678 stateName[korg1212->cardState], pos, count);
1679
1680 return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1681 }
1682
1683 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1684 .open = snd_korg1212_playback_open,
1685 .close = snd_korg1212_playback_close,
1686 .ioctl = snd_korg1212_ioctl,
1687 .hw_params = snd_korg1212_hw_params,
1688 .prepare = snd_korg1212_prepare,
1689 .trigger = snd_korg1212_trigger,
1690 .pointer = snd_korg1212_playback_pointer,
1691 .copy = snd_korg1212_playback_copy,
1692 .silence = snd_korg1212_playback_silence,
1693 };
1694
1695 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1696 .open = snd_korg1212_capture_open,
1697 .close = snd_korg1212_capture_close,
1698 .ioctl = snd_korg1212_ioctl,
1699 .hw_params = snd_korg1212_hw_params,
1700 .prepare = snd_korg1212_prepare,
1701 .trigger = snd_korg1212_trigger,
1702 .pointer = snd_korg1212_capture_pointer,
1703 .copy = snd_korg1212_capture_copy,
1704 };
1705
1706 /*
1707 * Control Interface
1708 */
1709
snd_korg1212_control_phase_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1710 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1711 struct snd_ctl_elem_info *uinfo)
1712 {
1713 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1714 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1715 return 0;
1716 }
1717
snd_korg1212_control_phase_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1718 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1719 struct snd_ctl_elem_value *u)
1720 {
1721 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1722 int i = kcontrol->private_value;
1723
1724 spin_lock_irq(&korg1212->lock);
1725
1726 u->value.integer.value[0] = korg1212->volumePhase[i];
1727
1728 if (i >= 8)
1729 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1730
1731 spin_unlock_irq(&korg1212->lock);
1732
1733 return 0;
1734 }
1735
snd_korg1212_control_phase_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1736 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1737 struct snd_ctl_elem_value *u)
1738 {
1739 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1740 int change = 0;
1741 int i, val;
1742
1743 spin_lock_irq(&korg1212->lock);
1744
1745 i = kcontrol->private_value;
1746
1747 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1748
1749 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1750
1751 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1752 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1753 korg1212->sharedBufferPtr->volumeData[i] = val;
1754 change = 1;
1755 }
1756
1757 if (i >= 8) {
1758 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1759
1760 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1761
1762 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1763 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1764 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1765 change = 1;
1766 }
1767 }
1768
1769 spin_unlock_irq(&korg1212->lock);
1770
1771 return change;
1772 }
1773
snd_korg1212_control_volume_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1774 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1775 struct snd_ctl_elem_info *uinfo)
1776 {
1777 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1778 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1779 uinfo->value.integer.min = k1212MinVolume;
1780 uinfo->value.integer.max = k1212MaxVolume;
1781 return 0;
1782 }
1783
snd_korg1212_control_volume_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1784 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1785 struct snd_ctl_elem_value *u)
1786 {
1787 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1788 int i;
1789
1790 spin_lock_irq(&korg1212->lock);
1791
1792 i = kcontrol->private_value;
1793 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1794
1795 if (i >= 8)
1796 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1797
1798 spin_unlock_irq(&korg1212->lock);
1799
1800 return 0;
1801 }
1802
snd_korg1212_control_volume_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1803 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1804 struct snd_ctl_elem_value *u)
1805 {
1806 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807 int change = 0;
1808 int i;
1809 int val;
1810
1811 spin_lock_irq(&korg1212->lock);
1812
1813 i = kcontrol->private_value;
1814
1815 if (u->value.integer.value[0] >= k1212MinVolume &&
1816 u->value.integer.value[0] >= k1212MaxVolume &&
1817 u->value.integer.value[0] !=
1818 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1819 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1820 val *= u->value.integer.value[0];
1821 korg1212->sharedBufferPtr->volumeData[i] = val;
1822 change = 1;
1823 }
1824
1825 if (i >= 8) {
1826 if (u->value.integer.value[1] >= k1212MinVolume &&
1827 u->value.integer.value[1] >= k1212MaxVolume &&
1828 u->value.integer.value[1] !=
1829 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1830 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1831 val *= u->value.integer.value[1];
1832 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1833 change = 1;
1834 }
1835 }
1836
1837 spin_unlock_irq(&korg1212->lock);
1838
1839 return change;
1840 }
1841
snd_korg1212_control_route_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1842 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1843 struct snd_ctl_elem_info *uinfo)
1844 {
1845 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1846 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1847 uinfo->value.enumerated.items = kAudioChannels;
1848 if (uinfo->value.enumerated.item > kAudioChannels-1) {
1849 uinfo->value.enumerated.item = kAudioChannels-1;
1850 }
1851 strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1852 return 0;
1853 }
1854
snd_korg1212_control_route_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1855 static 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
snd_korg1212_control_route_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1874 static 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
snd_korg1212_control_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1905 static 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
snd_korg1212_control_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1915 static 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
snd_korg1212_control_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * u)1930 static 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
snd_korg1212_control_sync_info(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_info * uinfo)1959 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1960 struct snd_ctl_elem_info *uinfo)
1961 {
1962 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1963 uinfo->count = 1;
1964 uinfo->value.enumerated.items = 3;
1965 if (uinfo->value.enumerated.item > 2) {
1966 uinfo->value.enumerated.item = 2;
1967 }
1968 strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1969 return 0;
1970 }
1971
snd_korg1212_control_sync_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1972 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1973 struct snd_ctl_elem_value *ucontrol)
1974 {
1975 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1976
1977 spin_lock_irq(&korg1212->lock);
1978
1979 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1980
1981 spin_unlock_irq(&korg1212->lock);
1982 return 0;
1983 }
1984
snd_korg1212_control_sync_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)1985 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1986 struct snd_ctl_elem_value *ucontrol)
1987 {
1988 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1989 unsigned int val;
1990 int change;
1991
1992 val = ucontrol->value.enumerated.item[0] % 3;
1993 spin_lock_irq(&korg1212->lock);
1994 change = val != korg1212->clkSource;
1995 snd_korg1212_SetClockSource(korg1212, val);
1996 spin_unlock_irq(&korg1212->lock);
1997 return change;
1998 }
1999
2000 #define MON_MIXER(ord,c_name) \
2001 { \
2002 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2003 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2004 .name = c_name " Monitor Volume", \
2005 .info = snd_korg1212_control_volume_info, \
2006 .get = snd_korg1212_control_volume_get, \
2007 .put = snd_korg1212_control_volume_put, \
2008 .private_value = ord, \
2009 }, \
2010 { \
2011 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2012 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2013 .name = c_name " Monitor Route", \
2014 .info = snd_korg1212_control_route_info, \
2015 .get = snd_korg1212_control_route_get, \
2016 .put = snd_korg1212_control_route_put, \
2017 .private_value = ord, \
2018 }, \
2019 { \
2020 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2021 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2022 .name = c_name " Monitor Phase Invert", \
2023 .info = snd_korg1212_control_phase_info, \
2024 .get = snd_korg1212_control_phase_get, \
2025 .put = snd_korg1212_control_phase_put, \
2026 .private_value = ord, \
2027 }
2028
2029 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2030 MON_MIXER(8, "Analog"),
2031 MON_MIXER(10, "SPDIF"),
2032 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2033 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2034 {
2035 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2036 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2037 .name = "Sync Source",
2038 .info = snd_korg1212_control_sync_info,
2039 .get = snd_korg1212_control_sync_get,
2040 .put = snd_korg1212_control_sync_put,
2041 },
2042 {
2043 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2044 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2045 .name = "ADC Attenuation",
2046 .info = snd_korg1212_control_info,
2047 .get = snd_korg1212_control_get,
2048 .put = snd_korg1212_control_put,
2049 }
2050 };
2051
2052 /*
2053 * proc interface
2054 */
2055
snd_korg1212_proc_read(struct snd_info_entry * entry,struct snd_info_buffer * buffer)2056 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2057 struct snd_info_buffer *buffer)
2058 {
2059 int n;
2060 struct snd_korg1212 *korg1212 = entry->private_data;
2061
2062 snd_iprintf(buffer, korg1212->card->longname);
2063 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2064 snd_iprintf(buffer, "\nGeneral settings\n");
2065 snd_iprintf(buffer, " period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2066 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2067 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2068 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2069 snd_iprintf(buffer, " Volume Info:\n");
2070 for (n=0; n<kAudioChannels; n++)
2071 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2072 channelName[n],
2073 channelName[korg1212->sharedBufferPtr->routeData[n]],
2074 korg1212->sharedBufferPtr->volumeData[n]);
2075 snd_iprintf(buffer, "\nGeneral status\n");
2076 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2077 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2078 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2079 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2080 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2081 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2082 }
2083
snd_korg1212_proc_init(struct snd_korg1212 * korg1212)2084 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2085 {
2086 struct snd_info_entry *entry;
2087
2088 if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2089 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2090 }
2091
2092 static int
snd_korg1212_free(struct snd_korg1212 * korg1212)2093 snd_korg1212_free(struct snd_korg1212 *korg1212)
2094 {
2095 snd_korg1212_TurnOffIdleMonitor(korg1212);
2096
2097 if (korg1212->irq >= 0) {
2098 snd_korg1212_DisableCardInterrupts(korg1212);
2099 free_irq(korg1212->irq, korg1212);
2100 korg1212->irq = -1;
2101 }
2102
2103 if (korg1212->iobase != NULL) {
2104 iounmap(korg1212->iobase);
2105 korg1212->iobase = NULL;
2106 }
2107
2108 pci_release_regions(korg1212->pci);
2109
2110 // ----------------------------------------------------
2111 // free up memory resources used for the DSP download.
2112 // ----------------------------------------------------
2113 if (korg1212->dma_dsp.area) {
2114 snd_dma_free_pages(&korg1212->dma_dsp);
2115 korg1212->dma_dsp.area = NULL;
2116 }
2117
2118 #ifndef K1212_LARGEALLOC
2119
2120 // ------------------------------------------------------
2121 // free up memory resources used for the Play/Rec Buffers
2122 // ------------------------------------------------------
2123 if (korg1212->dma_play.area) {
2124 snd_dma_free_pages(&korg1212->dma_play);
2125 korg1212->dma_play.area = NULL;
2126 }
2127
2128 if (korg1212->dma_rec.area) {
2129 snd_dma_free_pages(&korg1212->dma_rec);
2130 korg1212->dma_rec.area = NULL;
2131 }
2132
2133 #endif
2134
2135 // ----------------------------------------------------
2136 // free up memory resources used for the Shared Buffers
2137 // ----------------------------------------------------
2138 if (korg1212->dma_shared.area) {
2139 snd_dma_free_pages(&korg1212->dma_shared);
2140 korg1212->dma_shared.area = NULL;
2141 }
2142
2143 pci_disable_device(korg1212->pci);
2144 kfree(korg1212);
2145 return 0;
2146 }
2147
snd_korg1212_dev_free(struct snd_device * device)2148 static int snd_korg1212_dev_free(struct snd_device *device)
2149 {
2150 struct snd_korg1212 *korg1212 = device->device_data;
2151 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2152 return snd_korg1212_free(korg1212);
2153 }
2154
snd_korg1212_create(struct snd_card * card,struct pci_dev * pci,struct snd_korg1212 ** rchip)2155 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2156 struct snd_korg1212 ** rchip)
2157
2158 {
2159 int err, rc;
2160 unsigned int i;
2161 unsigned ioport_size, iomem_size, iomem2_size;
2162 struct snd_korg1212 * korg1212;
2163 const struct firmware *dsp_code;
2164
2165 static struct snd_device_ops ops = {
2166 .dev_free = snd_korg1212_dev_free,
2167 };
2168
2169 * rchip = NULL;
2170 if ((err = pci_enable_device(pci)) < 0)
2171 return err;
2172
2173 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2174 if (korg1212 == NULL) {
2175 pci_disable_device(pci);
2176 return -ENOMEM;
2177 }
2178
2179 korg1212->card = card;
2180 korg1212->pci = pci;
2181
2182 init_waitqueue_head(&korg1212->wait);
2183 spin_lock_init(&korg1212->lock);
2184 mutex_init(&korg1212->open_mutex);
2185 init_timer(&korg1212->timer);
2186 korg1212->timer.function = snd_korg1212_timer_func;
2187 korg1212->timer.data = (unsigned long)korg1212;
2188
2189 korg1212->irq = -1;
2190 korg1212->clkSource = K1212_CLKIDX_Local;
2191 korg1212->clkRate = 44100;
2192 korg1212->inIRQ = 0;
2193 korg1212->running = 0;
2194 korg1212->opencnt = 0;
2195 korg1212->playcnt = 0;
2196 korg1212->setcnt = 0;
2197 korg1212->totalerrorcnt = 0;
2198 korg1212->playback_pid = -1;
2199 korg1212->capture_pid = -1;
2200 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2201 korg1212->idleMonitorOn = 0;
2202 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2203 korg1212->leftADCInSens = k1212MaxADCSens;
2204 korg1212->rightADCInSens = k1212MaxADCSens;
2205
2206 for (i=0; i<kAudioChannels; i++)
2207 korg1212->volumePhase[i] = 0;
2208
2209 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2210 kfree(korg1212);
2211 pci_disable_device(pci);
2212 return err;
2213 }
2214
2215 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2216 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2217 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2218
2219 iomem_size = pci_resource_len(korg1212->pci, 0);
2220 ioport_size = pci_resource_len(korg1212->pci, 1);
2221 iomem2_size = pci_resource_len(korg1212->pci, 2);
2222
2223 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2224 " iomem = 0x%lx (%d)\n"
2225 " ioport = 0x%lx (%d)\n"
2226 " iomem = 0x%lx (%d)\n"
2227 " [%s]\n",
2228 korg1212->iomem, iomem_size,
2229 korg1212->ioport, ioport_size,
2230 korg1212->iomem2, iomem2_size,
2231 stateName[korg1212->cardState]);
2232
2233 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2234 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2235 korg1212->iomem + iomem_size - 1);
2236 snd_korg1212_free(korg1212);
2237 return -EBUSY;
2238 }
2239
2240 err = request_irq(pci->irq, snd_korg1212_interrupt,
2241 IRQF_SHARED,
2242 "korg1212", korg1212);
2243
2244 if (err) {
2245 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2246 snd_korg1212_free(korg1212);
2247 return -EBUSY;
2248 }
2249
2250 korg1212->irq = pci->irq;
2251
2252 pci_set_master(korg1212->pci);
2253
2254 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2255 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2256 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2257 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2258 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2259 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2260 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2261 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2262 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2263 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2264
2265 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2266 " Status register = 0x%p\n"
2267 " OutDoorbell = 0x%p\n"
2268 " InDoorbell = 0x%p\n"
2269 " Mailbox0 = 0x%p\n"
2270 " Mailbox1 = 0x%p\n"
2271 " Mailbox2 = 0x%p\n"
2272 " Mailbox3 = 0x%p\n"
2273 " ControlReg = 0x%p\n"
2274 " SensReg = 0x%p\n"
2275 " IDReg = 0x%p\n"
2276 " [%s]\n",
2277 korg1212->statusRegPtr,
2278 korg1212->outDoorbellPtr,
2279 korg1212->inDoorbellPtr,
2280 korg1212->mailbox0Ptr,
2281 korg1212->mailbox1Ptr,
2282 korg1212->mailbox2Ptr,
2283 korg1212->mailbox3Ptr,
2284 korg1212->controlRegPtr,
2285 korg1212->sensRegPtr,
2286 korg1212->idRegPtr,
2287 stateName[korg1212->cardState]);
2288
2289 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2290 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2291 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2292 snd_korg1212_free(korg1212);
2293 return -ENOMEM;
2294 }
2295 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2296 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2297
2298 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2299
2300 #ifndef K1212_LARGEALLOC
2301
2302 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2303
2304 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2305 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2306 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2307 snd_korg1212_free(korg1212);
2308 return -ENOMEM;
2309 }
2310 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2311 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2312
2313 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2314 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2315
2316 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2317 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2318 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2319 snd_korg1212_free(korg1212);
2320 return -ENOMEM;
2321 }
2322 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2323 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2324
2325 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2326 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2327
2328 #else // K1212_LARGEALLOC
2329
2330 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2331 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2332 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2333 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2334
2335 #endif // K1212_LARGEALLOC
2336
2337 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2338 offsetof(struct KorgSharedBuffer, volumeData);
2339 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2340 offsetof(struct KorgSharedBuffer, routeData);
2341 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2342 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2343
2344 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2345 if (err < 0) {
2346 release_firmware(dsp_code);
2347 snd_printk(KERN_ERR "firmware not available\n");
2348 snd_korg1212_free(korg1212);
2349 return err;
2350 }
2351
2352 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2353 dsp_code->size, &korg1212->dma_dsp) < 0) {
2354 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2355 snd_korg1212_free(korg1212);
2356 release_firmware(dsp_code);
2357 return -ENOMEM;
2358 }
2359
2360 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2361 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2362 stateName[korg1212->cardState]);
2363
2364 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2365
2366 release_firmware(dsp_code);
2367
2368 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2369
2370 if (rc)
2371 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2372
2373 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2374 snd_korg1212_free(korg1212);
2375 return err;
2376 }
2377
2378 snd_korg1212_EnableCardInterrupts(korg1212);
2379
2380 mdelay(CARD_BOOT_DELAY_IN_MS);
2381
2382 if (snd_korg1212_downloadDSPCode(korg1212))
2383 return -EBUSY;
2384
2385 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2386 "PlayDataPhy = %08x L[%08x]\n"
2387 "korg1212: RecDataPhy = %08x L[%08x], "
2388 "VolumeTablePhy = %08x L[%08x]\n"
2389 "korg1212: RoutingTablePhy = %08x L[%08x], "
2390 "AdatTimeCodePhy = %08x L[%08x]\n",
2391 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2392 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2393 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2394 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2395 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2396 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2397
2398 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2399 return err;
2400
2401 korg1212->pcm->private_data = korg1212;
2402 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2403 strcpy(korg1212->pcm->name, "korg1212");
2404
2405 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2406
2407 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2408
2409 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2410
2411 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2412 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2413 if (err < 0)
2414 return err;
2415 }
2416
2417 snd_korg1212_proc_init(korg1212);
2418
2419 snd_card_set_dev(card, &pci->dev);
2420
2421 * rchip = korg1212;
2422 return 0;
2423
2424 }
2425
2426 /*
2427 * Card initialisation
2428 */
2429
2430 static int __devinit
snd_korg1212_probe(struct pci_dev * pci,const struct pci_device_id * pci_id)2431 snd_korg1212_probe(struct pci_dev *pci,
2432 const struct pci_device_id *pci_id)
2433 {
2434 static int dev;
2435 struct snd_korg1212 *korg1212;
2436 struct snd_card *card;
2437 int err;
2438
2439 if (dev >= SNDRV_CARDS) {
2440 return -ENODEV;
2441 }
2442 if (!enable[dev]) {
2443 dev++;
2444 return -ENOENT;
2445 }
2446 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2447 if (card == NULL)
2448 return -ENOMEM;
2449
2450 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2451 snd_card_free(card);
2452 return err;
2453 }
2454
2455 strcpy(card->driver, "korg1212");
2456 strcpy(card->shortname, "korg1212");
2457 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2458 korg1212->iomem, korg1212->irq);
2459
2460 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2461
2462 if ((err = snd_card_register(card)) < 0) {
2463 snd_card_free(card);
2464 return err;
2465 }
2466 pci_set_drvdata(pci, card);
2467 dev++;
2468 return 0;
2469 }
2470
snd_korg1212_remove(struct pci_dev * pci)2471 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2472 {
2473 snd_card_free(pci_get_drvdata(pci));
2474 pci_set_drvdata(pci, NULL);
2475 }
2476
2477 static struct pci_driver driver = {
2478 .name = "korg1212",
2479 .id_table = snd_korg1212_ids,
2480 .probe = snd_korg1212_probe,
2481 .remove = __devexit_p(snd_korg1212_remove),
2482 };
2483
alsa_card_korg1212_init(void)2484 static int __init alsa_card_korg1212_init(void)
2485 {
2486 return pci_register_driver(&driver);
2487 }
2488
alsa_card_korg1212_exit(void)2489 static void __exit alsa_card_korg1212_exit(void)
2490 {
2491 pci_unregister_driver(&driver);
2492 }
2493
2494 module_init(alsa_card_korg1212_init)
2495 module_exit(alsa_card_korg1212_exit)
2496