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korg1212.c
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1 /*
2  * Driver for the Korg 1212 IO PCI card
3  *
4  * Copyright (c) 2001 Haroldo Gamal <[email protected]>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  */
21 
22 #include <linux/delay.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/pci.h>
26 #include <linux/slab.h>
27 #include <linux/wait.h>
28 #include <linux/module.h>
29 #include <linux/mutex.h>
30 #include <linux/firmware.h>
31 
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 // ----------------------------------------------------------------------------
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 // ----------------------------------------------------------------------------
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 // ----------------------------------------------------------------------------
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 // ----------------------------------------------------------------------------
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 0x00
200 #define k1212MaxADCSens 0x7f
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 
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 
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 
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 
286  struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
287 };
288 
290 #ifdef K1212_LARGEALLOC
291  struct KorgAudioBuffer playDataBufs[kNumBuffers];
292  struct KorgAudioBuffer recordDataBufs[kNumBuffers];
293 #endif
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;
307  } l;
308  union {
309  struct {
310  unsigned int rightChanVal:8;
311  unsigned int rightChanId:8;
312  } v;
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 
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 
330 
331  unsigned long iomem;
332  unsigned long ioport;
333  unsigned long iomem2;
334  unsigned long irqcount;
335  unsigned long inIRQ;
337 
342 
344 
347 
349 
352  unsigned long sharedBufferPhy;
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;
371 
374 
377 
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 
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 
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 bool 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 <[email protected]>");
420 
421 static DEFINE_PCI_DEVICE_TABLE(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
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
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 
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");
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 ) {
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  // --------------------------------------------------------------
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");
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");
576  }
577 
578  return rc;
579 }
580 
581 /* spinlock already held */
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 
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 */
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 
634 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
635 {
636  unsigned long flags;
637  int rc;
638 
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 
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 
656 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
657 {
658  korg1212->cardState = csState;
659 }
660 
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 
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 */
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 */
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 */
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 
772 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
773 {
779  korg1212->statusRegPtr);
780 }
781 
782 #if 0 /* not used */
783 
784 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
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 
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 
831 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
832 {
833  static enum ClockSourceIndex s44[] = {
837  };
838  static enum ClockSourceIndex s48[] = {
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 
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 
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 
888 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
889 {
890  writel(0, korg1212->statusRegPtr);
891 }
892 
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);
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) {
941  clkIs48K = 0;
942  break;
943 
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  // ----------------------------------------------------------------------------
970  ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
971  writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
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
990  SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
991  writew(controlValue, korg1212->sensRegPtr); // clock goes high
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
1004 
1005  if (clkIs48K)
1006  SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1007 
1008  writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
1010  SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011  writew(controlValue, korg1212->sensRegPtr); // clock goes high
1013  ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1014  writew(controlValue, korg1212->sensRegPtr); // clock goes low
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++)
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 
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]);
1054 
1055  // --------------------------------------------------------------------------------
1056  // Let the card know where all the buffers are.
1057  // --------------------------------------------------------------------------------
1058  rc = snd_korg1212_Send1212Command(korg1212,
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 
1072 
1073  rc = snd_korg1212_Send1212Command(korg1212,
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  // --------------------------------------------------------------------------------
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 
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 
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) {
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);
1186  spin_lock(&korg1212->lock);
1187  }
1188 
1189  if (korg1212->playback_substream) {
1190  spin_unlock(&korg1212->lock);
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 
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 |
1246  .rate_min = 44100,
1247  .rate_max = 48000,
1248  .channels_min = K1212_MIN_CHANNELS,
1249  .channels_max = K1212_MAX_CHANNELS,
1250  .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1251  .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1252  .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1253  .periods_min = K1212_PERIODS,
1254  .periods_max = K1212_PERIODS,
1255  .fifo_size = 0,
1256 };
1257 
1258 static struct snd_pcm_hardware snd_korg1212_capture_info =
1259 {
1260  .info = (SNDRV_PCM_INFO_MMAP |
1267  .rate_min = 44100,
1268  .rate_max = 48000,
1269  .channels_min = K1212_MIN_CHANNELS,
1270  .channels_max = K1212_MAX_CHANNELS,
1271  .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1272  .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1273  .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1274  .periods_min = K1212_PERIODS,
1275  .periods_max = K1212_PERIODS,
1276  .fifo_size = 0,
1277 };
1278 
1279 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1280 {
1281  struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1282  int i;
1283 
1284  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1285  pos, offset, size, count);
1286  if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1287  return -EINVAL;
1288 
1289  for (i=0; i < count; i++) {
1290 #if K1212_DEBUG_LEVEL > 0
1291  if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1292  (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1293  printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1294  dst, i);
1295  return -EFAULT;
1296  }
1297 #endif
1298  memset((void*) dst + offset, 0, size);
1299  dst++;
1300  }
1301 
1302  return 0;
1303 }
1304 
1305 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1306 {
1307  struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1308  int i, rc;
1309 
1310  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1311  pos, offset, size);
1312  if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1313  return -EINVAL;
1314 
1315  for (i=0; i < count; i++) {
1316 #if K1212_DEBUG_LEVEL > 0
1317  if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1318  (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1319  printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1320  return -EFAULT;
1321  }
1322 #endif
1323  rc = copy_to_user(dst + offset, src, size);
1324  if (rc) {
1325  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1326  return -EFAULT;
1327  }
1328  src++;
1329  dst += size;
1330  }
1331 
1332  return 0;
1333 }
1334 
1335 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1336 {
1337  struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1338  int i, rc;
1339 
1340  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1341  pos, offset, size, count);
1342 
1343  if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1344  return -EINVAL;
1345 
1346  for (i=0; i < count; i++) {
1347 #if K1212_DEBUG_LEVEL > 0
1348  if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1349  (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1350  printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1351  return -EFAULT;
1352  }
1353 #endif
1354  rc = copy_from_user((void*) dst + offset, src, size);
1355  if (rc) {
1356  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1357  return -EFAULT;
1358  }
1359  dst++;
1360  src += size;
1361  }
1362 
1363  return 0;
1364 }
1365 
1366 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1367 {
1368  struct snd_korg1212 *korg1212 = pcm->private_data;
1369 
1370  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1371  stateName[korg1212->cardState]);
1372 
1373  korg1212->pcm = NULL;
1374 }
1375 
1376 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1377 {
1378  unsigned long flags;
1379  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1380  struct snd_pcm_runtime *runtime = substream->runtime;
1381 
1382  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1383  stateName[korg1212->cardState]);
1384 
1385  snd_korg1212_OpenCard(korg1212);
1386 
1387  runtime->hw = snd_korg1212_playback_info;
1388  snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1389 
1390  spin_lock_irqsave(&korg1212->lock, flags);
1391 
1392  korg1212->playback_substream = substream;
1393  korg1212->playback_pid = current->pid;
1394  korg1212->periodsize = K1212_PERIODS;
1395  korg1212->channels = K1212_CHANNELS;
1396  korg1212->errorcnt = 0;
1397 
1398  spin_unlock_irqrestore(&korg1212->lock, flags);
1399 
1401  return 0;
1402 }
1403 
1404 
1405 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1406 {
1407  unsigned long flags;
1408  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1409  struct snd_pcm_runtime *runtime = substream->runtime;
1410 
1411  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1412  stateName[korg1212->cardState]);
1413 
1414  snd_korg1212_OpenCard(korg1212);
1415 
1416  runtime->hw = snd_korg1212_capture_info;
1417  snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1418 
1419  spin_lock_irqsave(&korg1212->lock, flags);
1420 
1421  korg1212->capture_substream = substream;
1422  korg1212->capture_pid = current->pid;
1423  korg1212->periodsize = K1212_PERIODS;
1424  korg1212->channels = K1212_CHANNELS;
1425 
1426  spin_unlock_irqrestore(&korg1212->lock, flags);
1427 
1430  return 0;
1431 }
1432 
1433 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1434 {
1435  unsigned long flags;
1436  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1437 
1438  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1439  stateName[korg1212->cardState]);
1440 
1441  snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1442 
1443  spin_lock_irqsave(&korg1212->lock, flags);
1444 
1445  korg1212->playback_pid = -1;
1446  korg1212->playback_substream = NULL;
1447  korg1212->periodsize = 0;
1448 
1449  spin_unlock_irqrestore(&korg1212->lock, flags);
1450 
1451  snd_korg1212_CloseCard(korg1212);
1452  return 0;
1453 }
1454 
1455 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1456 {
1457  unsigned long flags;
1458  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1459 
1460  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1461  stateName[korg1212->cardState]);
1462 
1463  spin_lock_irqsave(&korg1212->lock, flags);
1464 
1465  korg1212->capture_pid = -1;
1466  korg1212->capture_substream = NULL;
1467  korg1212->periodsize = 0;
1468 
1469  spin_unlock_irqrestore(&korg1212->lock, flags);
1470 
1471  snd_korg1212_CloseCard(korg1212);
1472  return 0;
1473 }
1474 
1475 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1476  unsigned int cmd, void *arg)
1477 {
1478  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1479 
1480  if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1481  struct snd_pcm_channel_info *info = arg;
1482  info->offset = 0;
1483  info->first = info->channel * 16;
1484  info->step = 256;
1485  K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1486  return 0;
1487  }
1488 
1489  return snd_pcm_lib_ioctl(substream, cmd, arg);
1490 }
1491 
1492 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1493  struct snd_pcm_hw_params *params)
1494 {
1495  unsigned long flags;
1496  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1497  int err;
1498  pid_t this_pid;
1499  pid_t other_pid;
1500 
1501  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1502  stateName[korg1212->cardState]);
1503 
1504  spin_lock_irqsave(&korg1212->lock, flags);
1505 
1506  if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1507  this_pid = korg1212->playback_pid;
1508  other_pid = korg1212->capture_pid;
1509  } else {
1510  this_pid = korg1212->capture_pid;
1511  other_pid = korg1212->playback_pid;
1512  }
1513 
1514  if ((other_pid > 0) && (this_pid != other_pid)) {
1515 
1516  /* The other stream is open, and not by the same
1517  task as this one. Make sure that the parameters
1518  that matter are the same.
1519  */
1520 
1521  if ((int)params_rate(params) != korg1212->clkRate) {
1522  spin_unlock_irqrestore(&korg1212->lock, flags);
1524  return -EBUSY;
1525  }
1526 
1527  spin_unlock_irqrestore(&korg1212->lock, flags);
1528  return 0;
1529  }
1530 
1531  if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1532  spin_unlock_irqrestore(&korg1212->lock, flags);
1533  return err;
1534  }
1535 
1536  korg1212->channels = params_channels(params);
1537  korg1212->periodsize = K1212_PERIOD_BYTES;
1538 
1539  spin_unlock_irqrestore(&korg1212->lock, flags);
1540 
1541  return 0;
1542 }
1543 
1544 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1545 {
1546  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1547  int rc;
1548 
1549  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1550  stateName[korg1212->cardState]);
1551 
1552  spin_lock_irq(&korg1212->lock);
1553 
1554  /* FIXME: we should wait for ack! */
1555  if (korg1212->stop_pending_cnt > 0) {
1556  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1557  stateName[korg1212->cardState]);
1558  spin_unlock_irq(&korg1212->lock);
1559  return -EAGAIN;
1560  /*
1561  korg1212->sharedBufferPtr->cardCommand = 0;
1562  del_timer(&korg1212->timer);
1563  korg1212->stop_pending_cnt = 0;
1564  */
1565  }
1566 
1567  rc = snd_korg1212_SetupForPlay(korg1212);
1568 
1569  korg1212->currentBuffer = 0;
1570 
1571  spin_unlock_irq(&korg1212->lock);
1572 
1573  return rc ? -EINVAL : 0;
1574 }
1575 
1576 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1577  int cmd)
1578 {
1579  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1580  int rc;
1581 
1582  K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1583  stateName[korg1212->cardState], cmd);
1584 
1585  spin_lock(&korg1212->lock);
1586  switch (cmd) {
1588 /*
1589  if (korg1212->running) {
1590  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1591  break;
1592  }
1593 */
1594  korg1212->running++;
1595  rc = snd_korg1212_TriggerPlay(korg1212);
1596  break;
1597 
1599 /*
1600  if (!korg1212->running) {
1601  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1602  break;
1603  }
1604 */
1605  korg1212->running--;
1606  rc = snd_korg1212_StopPlay(korg1212);
1607  break;
1608 
1609  default:
1610  rc = 1;
1611  break;
1612  }
1613  spin_unlock(&korg1212->lock);
1614  return rc ? -EINVAL : 0;
1615 }
1616 
1617 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1618 {
1619  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1621 
1622  pos = korg1212->currentBuffer * kPlayBufferFrames;
1623 
1624  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1625  stateName[korg1212->cardState], pos);
1626 
1627  return pos;
1628 }
1629 
1630 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1631 {
1632  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1634 
1635  pos = korg1212->currentBuffer * kPlayBufferFrames;
1636 
1637  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1638  stateName[korg1212->cardState], pos);
1639 
1640  return pos;
1641 }
1642 
1643 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1644  int channel, /* not used (interleaved data) */
1645  snd_pcm_uframes_t pos,
1646  void __user *src,
1647  snd_pcm_uframes_t count)
1648 {
1649  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1650 
1651  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1652  stateName[korg1212->cardState], pos, count);
1653 
1654  return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1655 
1656 }
1657 
1658 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1659  int channel, /* not used (interleaved data) */
1660  snd_pcm_uframes_t pos,
1661  snd_pcm_uframes_t count)
1662 {
1663  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1664 
1665  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1666  stateName[korg1212->cardState]);
1667 
1668  return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1669 }
1670 
1671 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1672  int channel, /* not used (interleaved data) */
1673  snd_pcm_uframes_t pos,
1674  void __user *dst,
1675  snd_pcm_uframes_t count)
1676 {
1677  struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1678 
1679  K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1680  stateName[korg1212->cardState], pos, count);
1681 
1682  return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1683 }
1684 
1685 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1686  .open = snd_korg1212_playback_open,
1687  .close = snd_korg1212_playback_close,
1688  .ioctl = snd_korg1212_ioctl,
1689  .hw_params = snd_korg1212_hw_params,
1690  .prepare = snd_korg1212_prepare,
1691  .trigger = snd_korg1212_trigger,
1692  .pointer = snd_korg1212_playback_pointer,
1693  .copy = snd_korg1212_playback_copy,
1694  .silence = snd_korg1212_playback_silence,
1695 };
1696 
1697 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1698  .open = snd_korg1212_capture_open,
1699  .close = snd_korg1212_capture_close,
1700  .ioctl = snd_korg1212_ioctl,
1701  .hw_params = snd_korg1212_hw_params,
1702  .prepare = snd_korg1212_prepare,
1703  .trigger = snd_korg1212_trigger,
1704  .pointer = snd_korg1212_capture_pointer,
1705  .copy = snd_korg1212_capture_copy,
1706 };
1707 
1708 /*
1709  * Control Interface
1710  */
1711 
1712 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1713  struct snd_ctl_elem_info *uinfo)
1714 {
1716  uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1717  return 0;
1718 }
1719 
1720 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1721  struct snd_ctl_elem_value *u)
1722 {
1723  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1724  int i = kcontrol->private_value;
1725 
1726  spin_lock_irq(&korg1212->lock);
1727 
1728  u->value.integer.value[0] = korg1212->volumePhase[i];
1729 
1730  if (i >= 8)
1731  u->value.integer.value[1] = korg1212->volumePhase[i+1];
1732 
1733  spin_unlock_irq(&korg1212->lock);
1734 
1735  return 0;
1736 }
1737 
1738 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1739  struct snd_ctl_elem_value *u)
1740 {
1741  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1742  int change = 0;
1743  int i, val;
1744 
1745  spin_lock_irq(&korg1212->lock);
1746 
1747  i = kcontrol->private_value;
1748 
1749  korg1212->volumePhase[i] = !!u->value.integer.value[0];
1750 
1751  val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1752 
1753  if ((u->value.integer.value[0] != 0) != (val < 0)) {
1754  val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1755  korg1212->sharedBufferPtr->volumeData[i] = val;
1756  change = 1;
1757  }
1758 
1759  if (i >= 8) {
1760  korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1761 
1762  val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1763 
1764  if ((u->value.integer.value[1] != 0) != (val < 0)) {
1765  val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1766  korg1212->sharedBufferPtr->volumeData[i+1] = val;
1767  change = 1;
1768  }
1769  }
1770 
1771  spin_unlock_irq(&korg1212->lock);
1772 
1773  return change;
1774 }
1775 
1776 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1777  struct snd_ctl_elem_info *uinfo)
1778 {
1780  uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1781  uinfo->value.integer.min = k1212MinVolume;
1782  uinfo->value.integer.max = k1212MaxVolume;
1783  return 0;
1784 }
1785 
1786 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1787  struct snd_ctl_elem_value *u)
1788 {
1789  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1790  int i;
1791 
1792  spin_lock_irq(&korg1212->lock);
1793 
1794  i = kcontrol->private_value;
1795  u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1796 
1797  if (i >= 8)
1798  u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1799 
1800  spin_unlock_irq(&korg1212->lock);
1801 
1802  return 0;
1803 }
1804 
1805 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1806  struct snd_ctl_elem_value *u)
1807 {
1808  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1809  int change = 0;
1810  int i;
1811  int val;
1812 
1813  spin_lock_irq(&korg1212->lock);
1814 
1815  i = kcontrol->private_value;
1816 
1817  if (u->value.integer.value[0] >= k1212MinVolume &&
1818  u->value.integer.value[0] >= k1212MaxVolume &&
1819  u->value.integer.value[0] !=
1820  abs(korg1212->sharedBufferPtr->volumeData[i])) {
1821  val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1822  val *= u->value.integer.value[0];
1823  korg1212->sharedBufferPtr->volumeData[i] = val;
1824  change = 1;
1825  }
1826 
1827  if (i >= 8) {
1828  if (u->value.integer.value[1] >= k1212MinVolume &&
1829  u->value.integer.value[1] >= k1212MaxVolume &&
1830  u->value.integer.value[1] !=
1831  abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1832  val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1833  val *= u->value.integer.value[1];
1834  korg1212->sharedBufferPtr->volumeData[i+1] = val;
1835  change = 1;
1836  }
1837  }
1838 
1839  spin_unlock_irq(&korg1212->lock);
1840 
1841  return change;
1842 }
1843 
1844 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1845  struct snd_ctl_elem_info *uinfo)
1846 {
1848  uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1849  uinfo->value.enumerated.items = kAudioChannels;
1850  if (uinfo->value.enumerated.item > kAudioChannels-1) {
1851  uinfo->value.enumerated.item = kAudioChannels-1;
1852  }
1853  strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1854  return 0;
1855 }
1856 
1857 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1858  struct snd_ctl_elem_value *u)
1859 {
1860  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1861  int i;
1862 
1863  spin_lock_irq(&korg1212->lock);
1864 
1865  i = kcontrol->private_value;
1866  u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1867 
1868  if (i >= 8)
1869  u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1870 
1871  spin_unlock_irq(&korg1212->lock);
1872 
1873  return 0;
1874 }
1875 
1876 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1877  struct snd_ctl_elem_value *u)
1878 {
1879  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1880  int change = 0, i;
1881 
1882  spin_lock_irq(&korg1212->lock);
1883 
1884  i = kcontrol->private_value;
1885 
1886  if (u->value.enumerated.item[0] < kAudioChannels &&
1887  u->value.enumerated.item[0] !=
1888  (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1889  korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1890  change = 1;
1891  }
1892 
1893  if (i >= 8) {
1894  if (u->value.enumerated.item[1] < kAudioChannels &&
1895  u->value.enumerated.item[1] !=
1896  (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1897  korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1898  change = 1;
1899  }
1900  }
1901 
1902  spin_unlock_irq(&korg1212->lock);
1903 
1904  return change;
1905 }
1906 
1907 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1908  struct snd_ctl_elem_info *uinfo)
1909 {
1911  uinfo->count = 2;
1912  uinfo->value.integer.min = k1212MaxADCSens;
1913  uinfo->value.integer.max = k1212MinADCSens;
1914  return 0;
1915 }
1916 
1917 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1918  struct snd_ctl_elem_value *u)
1919 {
1920  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1921 
1922  spin_lock_irq(&korg1212->lock);
1923 
1924  u->value.integer.value[0] = korg1212->leftADCInSens;
1925  u->value.integer.value[1] = korg1212->rightADCInSens;
1926 
1927  spin_unlock_irq(&korg1212->lock);
1928 
1929  return 0;
1930 }
1931 
1932 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1933  struct snd_ctl_elem_value *u)
1934 {
1935  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1936  int change = 0;
1937 
1938  spin_lock_irq(&korg1212->lock);
1939 
1940  if (u->value.integer.value[0] >= k1212MinADCSens &&
1941  u->value.integer.value[0] <= k1212MaxADCSens &&
1942  u->value.integer.value[0] != korg1212->leftADCInSens) {
1943  korg1212->leftADCInSens = u->value.integer.value[0];
1944  change = 1;
1945  }
1946  if (u->value.integer.value[1] >= k1212MinADCSens &&
1947  u->value.integer.value[1] <= k1212MaxADCSens &&
1948  u->value.integer.value[1] != korg1212->rightADCInSens) {
1949  korg1212->rightADCInSens = u->value.integer.value[1];
1950  change = 1;
1951  }
1952 
1953  spin_unlock_irq(&korg1212->lock);
1954 
1955  if (change)
1956  snd_korg1212_WriteADCSensitivity(korg1212);
1957 
1958  return change;
1959 }
1960 
1961 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1962  struct snd_ctl_elem_info *uinfo)
1963 {
1965  uinfo->count = 1;
1966  uinfo->value.enumerated.items = 3;
1967  if (uinfo->value.enumerated.item > 2) {
1968  uinfo->value.enumerated.item = 2;
1969  }
1970  strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1971  return 0;
1972 }
1973 
1974 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1975  struct snd_ctl_elem_value *ucontrol)
1976 {
1977  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1978 
1979  spin_lock_irq(&korg1212->lock);
1980 
1981  ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1982 
1983  spin_unlock_irq(&korg1212->lock);
1984  return 0;
1985 }
1986 
1987 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1988  struct snd_ctl_elem_value *ucontrol)
1989 {
1990  struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1991  unsigned int val;
1992  int change;
1993 
1994  val = ucontrol->value.enumerated.item[0] % 3;
1995  spin_lock_irq(&korg1212->lock);
1996  change = val != korg1212->clkSource;
1997  snd_korg1212_SetClockSource(korg1212, val);
1998  spin_unlock_irq(&korg1212->lock);
1999  return change;
2000 }
2001 
2002 #define MON_MIXER(ord,c_name) \
2003  { \
2004  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2005  .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2006  .name = c_name " Monitor Volume", \
2007  .info = snd_korg1212_control_volume_info, \
2008  .get = snd_korg1212_control_volume_get, \
2009  .put = snd_korg1212_control_volume_put, \
2010  .private_value = ord, \
2011  }, \
2012  { \
2013  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2014  .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2015  .name = c_name " Monitor Route", \
2016  .info = snd_korg1212_control_route_info, \
2017  .get = snd_korg1212_control_route_get, \
2018  .put = snd_korg1212_control_route_put, \
2019  .private_value = ord, \
2020  }, \
2021  { \
2022  .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2023  .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2024  .name = c_name " Monitor Phase Invert", \
2025  .info = snd_korg1212_control_phase_info, \
2026  .get = snd_korg1212_control_phase_get, \
2027  .put = snd_korg1212_control_phase_put, \
2028  .private_value = ord, \
2029  }
2030 
2031 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2032  MON_MIXER(8, "Analog"),
2033  MON_MIXER(10, "SPDIF"),
2034  MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2035  MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2036  {
2038  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2039  .name = "Sync Source",
2040  .info = snd_korg1212_control_sync_info,
2041  .get = snd_korg1212_control_sync_get,
2042  .put = snd_korg1212_control_sync_put,
2043  },
2044  {
2046  .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2047  .name = "ADC Attenuation",
2048  .info = snd_korg1212_control_info,
2049  .get = snd_korg1212_control_get,
2050  .put = snd_korg1212_control_put,
2051  }
2052 };
2053 
2054 /*
2055  * proc interface
2056  */
2057 
2058 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2059  struct snd_info_buffer *buffer)
2060 {
2061  int n;
2062  struct snd_korg1212 *korg1212 = entry->private_data;
2063 
2064  snd_iprintf(buffer, korg1212->card->longname);
2065  snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2066  snd_iprintf(buffer, "\nGeneral settings\n");
2067  snd_iprintf(buffer, " period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2068  snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2069  snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2070  snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2071  snd_iprintf(buffer, " Volume Info:\n");
2072  for (n=0; n<kAudioChannels; n++)
2073  snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2074  channelName[n],
2075  channelName[korg1212->sharedBufferPtr->routeData[n]],
2076  korg1212->sharedBufferPtr->volumeData[n]);
2077  snd_iprintf(buffer, "\nGeneral status\n");
2078  snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2079  snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2080  snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2081  snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2082  snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2083  snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2084 }
2085 
2086 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2087 {
2088  struct snd_info_entry *entry;
2089 
2090  if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2091  snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2092 }
2093 
2094 static int
2095 snd_korg1212_free(struct snd_korg1212 *korg1212)
2096 {
2097  snd_korg1212_TurnOffIdleMonitor(korg1212);
2098 
2099  if (korg1212->irq >= 0) {
2100  snd_korg1212_DisableCardInterrupts(korg1212);
2101  free_irq(korg1212->irq, korg1212);
2102  korg1212->irq = -1;
2103  }
2104 
2105  if (korg1212->iobase != NULL) {
2106  iounmap(korg1212->iobase);
2107  korg1212->iobase = NULL;
2108  }
2109 
2110  pci_release_regions(korg1212->pci);
2111 
2112  // ----------------------------------------------------
2113  // free up memory resources used for the DSP download.
2114  // ----------------------------------------------------
2115  if (korg1212->dma_dsp.area) {
2116  snd_dma_free_pages(&korg1212->dma_dsp);
2117  korg1212->dma_dsp.area = NULL;
2118  }
2119 
2120 #ifndef K1212_LARGEALLOC
2121 
2122  // ------------------------------------------------------
2123  // free up memory resources used for the Play/Rec Buffers
2124  // ------------------------------------------------------
2125  if (korg1212->dma_play.area) {
2126  snd_dma_free_pages(&korg1212->dma_play);
2127  korg1212->dma_play.area = NULL;
2128  }
2129 
2130  if (korg1212->dma_rec.area) {
2131  snd_dma_free_pages(&korg1212->dma_rec);
2132  korg1212->dma_rec.area = NULL;
2133  }
2134 
2135 #endif
2136 
2137  // ----------------------------------------------------
2138  // free up memory resources used for the Shared Buffers
2139  // ----------------------------------------------------
2140  if (korg1212->dma_shared.area) {
2141  snd_dma_free_pages(&korg1212->dma_shared);
2142  korg1212->dma_shared.area = NULL;
2143  }
2144 
2145  pci_disable_device(korg1212->pci);
2146  kfree(korg1212);
2147  return 0;
2148 }
2149 
2150 static int snd_korg1212_dev_free(struct snd_device *device)
2151 {
2152  struct snd_korg1212 *korg1212 = device->device_data;
2153  K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2154  return snd_korg1212_free(korg1212);
2155 }
2156 
2157 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2158  struct snd_korg1212 ** rchip)
2159 
2160 {
2161  int err, rc;
2162  unsigned int i;
2163  unsigned ioport_size, iomem_size, iomem2_size;
2164  struct snd_korg1212 * korg1212;
2165  const struct firmware *dsp_code;
2166 
2167  static struct snd_device_ops ops = {
2168  .dev_free = snd_korg1212_dev_free,
2169  };
2170 
2171  * rchip = NULL;
2172  if ((err = pci_enable_device(pci)) < 0)
2173  return err;
2174 
2175  korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2176  if (korg1212 == NULL) {
2177  pci_disable_device(pci);
2178  return -ENOMEM;
2179  }
2180 
2181  korg1212->card = card;
2182  korg1212->pci = pci;
2183 
2184  init_waitqueue_head(&korg1212->wait);
2185  spin_lock_init(&korg1212->lock);
2186  mutex_init(&korg1212->open_mutex);
2187  init_timer(&korg1212->timer);
2188  korg1212->timer.function = snd_korg1212_timer_func;
2189  korg1212->timer.data = (unsigned long)korg1212;
2190 
2191  korg1212->irq = -1;
2192  korg1212->clkSource = K1212_CLKIDX_Local;
2193  korg1212->clkRate = 44100;
2194  korg1212->inIRQ = 0;
2195  korg1212->running = 0;
2196  korg1212->opencnt = 0;
2197  korg1212->playcnt = 0;
2198  korg1212->setcnt = 0;
2199  korg1212->totalerrorcnt = 0;
2200  korg1212->playback_pid = -1;
2201  korg1212->capture_pid = -1;
2202  snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2203  korg1212->idleMonitorOn = 0;
2205  korg1212->leftADCInSens = k1212MaxADCSens;
2206  korg1212->rightADCInSens = k1212MaxADCSens;
2207 
2208  for (i=0; i<kAudioChannels; i++)
2209  korg1212->volumePhase[i] = 0;
2210 
2211  if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2212  kfree(korg1212);
2213  pci_disable_device(pci);
2214  return err;
2215  }
2216 
2217  korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2218  korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2219  korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2220 
2221  iomem_size = pci_resource_len(korg1212->pci, 0);
2222  ioport_size = pci_resource_len(korg1212->pci, 1);
2223  iomem2_size = pci_resource_len(korg1212->pci, 2);
2224 
2225  K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2226  " iomem = 0x%lx (%d)\n"
2227  " ioport = 0x%lx (%d)\n"
2228  " iomem = 0x%lx (%d)\n"
2229  " [%s]\n",
2230  korg1212->iomem, iomem_size,
2231  korg1212->ioport, ioport_size,
2232  korg1212->iomem2, iomem2_size,
2233  stateName[korg1212->cardState]);
2234 
2235  if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2236  snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2237  korg1212->iomem + iomem_size - 1);
2238  snd_korg1212_free(korg1212);
2239  return -EBUSY;
2240  }
2241 
2242  err = request_irq(pci->irq, snd_korg1212_interrupt,
2243  IRQF_SHARED,
2244  KBUILD_MODNAME, korg1212);
2245 
2246  if (err) {
2247  snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2248  snd_korg1212_free(korg1212);
2249  return -EBUSY;
2250  }
2251 
2252  korg1212->irq = pci->irq;
2253 
2254  pci_set_master(korg1212->pci);
2255 
2256  korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2257  korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2258  korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2259  korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2260  korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2261  korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2262  korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2263  korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2264  korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2265  korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2266 
2267  K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2268  " Status register = 0x%p\n"
2269  " OutDoorbell = 0x%p\n"
2270  " InDoorbell = 0x%p\n"
2271  " Mailbox0 = 0x%p\n"
2272  " Mailbox1 = 0x%p\n"
2273  " Mailbox2 = 0x%p\n"
2274  " Mailbox3 = 0x%p\n"
2275  " ControlReg = 0x%p\n"
2276  " SensReg = 0x%p\n"
2277  " IDReg = 0x%p\n"
2278  " [%s]\n",
2279  korg1212->statusRegPtr,
2280  korg1212->outDoorbellPtr,
2281  korg1212->inDoorbellPtr,
2282  korg1212->mailbox0Ptr,
2283  korg1212->mailbox1Ptr,
2284  korg1212->mailbox2Ptr,
2285  korg1212->mailbox3Ptr,
2286  korg1212->controlRegPtr,
2287  korg1212->sensRegPtr,
2288  korg1212->idRegPtr,
2289  stateName[korg1212->cardState]);
2290 
2292  sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2293  snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2294  snd_korg1212_free(korg1212);
2295  return -ENOMEM;
2296  }
2297  korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2298  korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2299 
2300  K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2301 
2302 #ifndef K1212_LARGEALLOC
2303 
2304  korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2305 
2307  korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2308  snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2309  snd_korg1212_free(korg1212);
2310  return -ENOMEM;
2311  }
2312  korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2313  korg1212->PlayDataPhy = korg1212->dma_play.addr;
2314 
2315  K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2316  korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2317 
2319  korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2320  snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2321  snd_korg1212_free(korg1212);
2322  return -ENOMEM;
2323  }
2324  korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2325  korg1212->RecDataPhy = korg1212->dma_rec.addr;
2326 
2327  K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2328  korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2329 
2330 #else // K1212_LARGEALLOC
2331 
2332  korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2333  korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2334  korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2335  korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2336 
2337 #endif // K1212_LARGEALLOC
2338 
2339  korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2340  offsetof(struct KorgSharedBuffer, volumeData);
2341  korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2342  offsetof(struct KorgSharedBuffer, routeData);
2343  korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2344  offsetof(struct KorgSharedBuffer, AdatTimeCode);
2345 
2346  err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2347  if (err < 0) {
2348  release_firmware(dsp_code);
2349  snd_printk(KERN_ERR "firmware not available\n");
2350  snd_korg1212_free(korg1212);
2351  return err;
2352  }
2353 
2355  dsp_code->size, &korg1212->dma_dsp) < 0) {
2356  snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2357  snd_korg1212_free(korg1212);
2358  release_firmware(dsp_code);
2359  return -ENOMEM;
2360  }
2361 
2362  K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2363  korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2364  stateName[korg1212->cardState]);
2365 
2366  memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2367 
2368  release_firmware(dsp_code);
2369 
2370  rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2371 
2372  if (rc)
2373  K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2374 
2375  if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2376  snd_korg1212_free(korg1212);
2377  return err;
2378  }
2379 
2380  snd_korg1212_EnableCardInterrupts(korg1212);
2381 
2383 
2384  if (snd_korg1212_downloadDSPCode(korg1212))
2385  return -EBUSY;
2386 
2387  K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2388  "PlayDataPhy = %08x L[%08x]\n"
2389  "korg1212: RecDataPhy = %08x L[%08x], "
2390  "VolumeTablePhy = %08x L[%08x]\n"
2391  "korg1212: RoutingTablePhy = %08x L[%08x], "
2392  "AdatTimeCodePhy = %08x L[%08x]\n",
2393  (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2394  korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2395  korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2396  korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2397  korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2398  korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2399 
2400  if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2401  return err;
2402 
2403  korg1212->pcm->private_data = korg1212;
2404  korg1212->pcm->private_free = snd_korg1212_free_pcm;
2405  strcpy(korg1212->pcm->name, "korg1212");
2406 
2407  snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2408 
2409  snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2410 
2411  korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2412 
2413  for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2414  err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2415  if (err < 0)
2416  return err;
2417  }
2418 
2419  snd_korg1212_proc_init(korg1212);
2420 
2421  snd_card_set_dev(card, &pci->dev);
2422 
2423  * rchip = korg1212;
2424  return 0;
2425 
2426 }
2427 
2428 /*
2429  * Card initialisation
2430  */
2431 
2432 static int __devinit
2433 snd_korg1212_probe(struct pci_dev *pci,
2434  const struct pci_device_id *pci_id)
2435 {
2436  static int dev;
2437  struct snd_korg1212 *korg1212;
2438  struct snd_card *card;
2439  int err;
2440 
2441  if (dev >= SNDRV_CARDS) {
2442  return -ENODEV;
2443  }
2444  if (!enable[dev]) {
2445  dev++;
2446  return -ENOENT;
2447  }
2448  err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
2449  if (err < 0)
2450  return err;
2451 
2452  if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2453  snd_card_free(card);
2454  return err;
2455  }
2456 
2457  strcpy(card->driver, "korg1212");
2458  strcpy(card->shortname, "korg1212");
2459  sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2460  korg1212->iomem, korg1212->irq);
2461 
2462  K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2463 
2464  if ((err = snd_card_register(card)) < 0) {
2465  snd_card_free(card);
2466  return err;
2467  }
2468  pci_set_drvdata(pci, card);
2469  dev++;
2470  return 0;
2471 }
2472 
2473 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2474 {
2475  snd_card_free(pci_get_drvdata(pci));
2476  pci_set_drvdata(pci, NULL);
2477 }
2478 
2479 static struct pci_driver korg1212_driver = {
2480  .name = KBUILD_MODNAME,
2481  .id_table = snd_korg1212_ids,
2482  .probe = snd_korg1212_probe,
2483  .remove = __devexit_p(snd_korg1212_remove),
2484 };
2485 
2486 module_pci_driver(korg1212_driver);