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[ALSA] Fix possible races in timer callbacks
[deliverable/linux.git] / sound / pci / korg1212 / korg1212.c
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 <sound/driver.h>
23 #include <linux/delay.h>
24 #include <linux/init.h>
25 #include <linux/interrupt.h>
26 #include <linux/pci.h>
27 #include <linux/slab.h>
28 #include <linux/wait.h>
29 #include <linux/moduleparam.h>
30
31 #include <sound/core.h>
32 #include <sound/info.h>
33 #include <sound/control.h>
34 #include <sound/pcm.h>
35 #include <sound/pcm_params.h>
36 #include <sound/initval.h>
37
38 #include <asm/io.h>
39
40 // ----------------------------------------------------------------------------
41 // Debug Stuff
42 // ----------------------------------------------------------------------------
43 #define K1212_DEBUG_LEVEL 0
44 #if K1212_DEBUG_LEVEL > 0
45 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
46 #else
47 #define K1212_DEBUG_PRINTK(fmt,...)
48 #endif
49 #if K1212_DEBUG_LEVEL > 1
50 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
51 #else
52 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
53 #endif
54
55 // ----------------------------------------------------------------------------
56 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
57 // buffers are alocated as a large piece inside KorgSharedBuffer.
58 // ----------------------------------------------------------------------------
59 //#define K1212_LARGEALLOC 1
60
61 // ----------------------------------------------------------------------------
62 // Valid states of the Korg 1212 I/O card.
63 // ----------------------------------------------------------------------------
64 enum CardState {
65 K1212_STATE_NONEXISTENT, // there is no card here
66 K1212_STATE_UNINITIALIZED, // the card is awaiting DSP download
67 K1212_STATE_DSP_IN_PROCESS, // the card is currently downloading its DSP code
68 K1212_STATE_DSP_COMPLETE, // the card has finished the DSP download
69 K1212_STATE_READY, // the card can be opened by an application. Any application
70 // requests prior to this state should fail. Only an open
71 // request can be made at this state.
72 K1212_STATE_OPEN, // an application has opened the card
73 K1212_STATE_SETUP, // the card has been setup for play
74 K1212_STATE_PLAYING, // the card is playing
75 K1212_STATE_MONITOR, // the card is in the monitor mode
76 K1212_STATE_CALIBRATING, // the card is currently calibrating
77 K1212_STATE_ERRORSTOP, // the card has stopped itself because of an error and we
78 // are in the process of cleaning things up.
79 K1212_STATE_MAX_STATE // state values of this and beyond are invalid
80 };
81
82 // ----------------------------------------------------------------------------
83 // The following enumeration defines the constants written to the card's
84 // host-to-card doorbell to initiate a command.
85 // ----------------------------------------------------------------------------
86 enum korg1212_dbcnst {
87 K1212_DB_RequestForData = 0, // sent by the card to request a buffer fill.
88 K1212_DB_TriggerPlay = 1, // starts playback/record on the card.
89 K1212_DB_SelectPlayMode = 2, // select monitor, playback setup, or stop.
90 K1212_DB_ConfigureBufferMemory = 3, // tells card where the host audio buffers are.
91 K1212_DB_RequestAdatTimecode = 4, // asks the card for the latest ADAT timecode value.
92 K1212_DB_SetClockSourceRate = 5, // sets the clock source and rate for the card.
93 K1212_DB_ConfigureMiscMemory = 6, // tells card where other buffers are.
94 K1212_DB_TriggerFromAdat = 7, // tells card to trigger from Adat at a specific
95 // timecode value.
96 K1212_DB_DMAERROR = 0x80, // DMA Error - the PCI bus is congestioned.
97 K1212_DB_CARDSTOPPED = 0x81, // Card has stopped by user request.
98 K1212_DB_RebootCard = 0xA0, // instructs the card to reboot.
99 K1212_DB_BootFromDSPPage4 = 0xA4, // instructs the card to boot from the DSP microcode
100 // on page 4 (local page to card).
101 K1212_DB_DSPDownloadDone = 0xAE, // sent by the card to indicate the download has
102 // completed.
103 K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware.
104 };
105
106
107 // ----------------------------------------------------------------------------
108 // The following enumeration defines return codes
109 // to the Korg 1212 I/O driver.
110 // ----------------------------------------------------------------------------
111 enum snd_korg1212rc {
112 K1212_CMDRET_Success = 0, // command was successfully placed
113 K1212_CMDRET_DIOCFailure, // the DeviceIoControl call failed
114 K1212_CMDRET_PMFailure, // the protected mode call failed
115 K1212_CMDRET_FailUnspecified, // unspecified failure
116 K1212_CMDRET_FailBadState, // the specified command can not be given in
117 // the card's current state. (or the wave device's
118 // state)
119 K1212_CMDRET_CardUninitialized, // the card is uninitialized and cannot be used
120 K1212_CMDRET_BadIndex, // an out of range card index was specified
121 K1212_CMDRET_BadHandle, // an invalid card handle was specified
122 K1212_CMDRET_NoFillRoutine, // a play request has been made before a fill routine set
123 K1212_CMDRET_FillRoutineInUse, // can't set a new fill routine while one is in use
124 K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command
125 K1212_CMDRET_BadParams, // bad parameters were provided by the caller
126
127 K1212_CMDRET_BadDevice, // the specified wave device was out of range
128 K1212_CMDRET_BadFormat // the specified wave format is unsupported
129 };
130
131 // ----------------------------------------------------------------------------
132 // The following enumeration defines the constants used to select the play
133 // mode for the card in the SelectPlayMode command.
134 // ----------------------------------------------------------------------------
135 enum PlayModeSelector {
136 K1212_MODE_SetupPlay = 0x00000001, // provides card with pre-play information
137 K1212_MODE_MonitorOn = 0x00000002, // tells card to turn on monitor mode
138 K1212_MODE_MonitorOff = 0x00000004, // tells card to turn off monitor mode
139 K1212_MODE_StopPlay = 0x00000008 // stops playback on the card
140 };
141
142 // ----------------------------------------------------------------------------
143 // The following enumeration defines the constants used to select the monitor
144 // mode for the card in the SetMonitorMode command.
145 // ----------------------------------------------------------------------------
146 enum MonitorModeSelector {
147 K1212_MONMODE_Off = 0, // tells card to turn off monitor mode
148 K1212_MONMODE_On // tells card to turn on monitor mode
149 };
150
151 #define MAILBOX0_OFFSET 0x40 // location of mailbox 0 relative to base address
152 #define MAILBOX1_OFFSET 0x44 // location of mailbox 1 relative to base address
153 #define MAILBOX2_OFFSET 0x48 // location of mailbox 2 relative to base address
154 #define MAILBOX3_OFFSET 0x4c // location of mailbox 3 relative to base address
155 #define OUT_DOORBELL_OFFSET 0x60 // location of PCI to local doorbell
156 #define IN_DOORBELL_OFFSET 0x64 // location of local to PCI doorbell
157 #define STATUS_REG_OFFSET 0x68 // location of interrupt control/status register
158 #define PCI_CONTROL_OFFSET 0x6c // location of the EEPROM, PCI, User I/O, init control
159 // register
160 #define SENS_CONTROL_OFFSET 0x6e // location of the input sensitivity setting register.
161 // this is the upper word of the PCI control reg.
162 #define DEV_VEND_ID_OFFSET 0x70 // location of the device and vendor ID register
163
164 #define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
165 // from the card after sending a command.
166 #define INTERCOMMAND_DELAY 40
167 #define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt
168 // to send a command before giving up.
169 #define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from
170 // the card.
171 #define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte
172
173 #define CARD_BOOT_DELAY_IN_MS 10
174 #define CARD_BOOT_TIMEOUT 10
175 #define DSP_BOOT_DELAY_IN_MS 200
176
177 #define kNumBuffers 8
178 #define k1212MaxCards 4
179 #define k1212NumWaveDevices 6
180 #define k16BitChannels 10
181 #define k32BitChannels 2
182 #define kAudioChannels (k16BitChannels + k32BitChannels)
183 #define kPlayBufferFrames 1024
184
185 #define K1212_ANALOG_CHANNELS 2
186 #define K1212_SPDIF_CHANNELS 2
187 #define K1212_ADAT_CHANNELS 8
188 #define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
189 #define K1212_MIN_CHANNELS 1
190 #define K1212_MAX_CHANNELS K1212_CHANNELS
191 #define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame))
192 #define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers)
193 #define K1212_PERIODS (kNumBuffers)
194 #define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames)
195 #define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers)
196 #define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
197 #define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
198 #define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
199 #define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
200
201 #define k1212MinADCSens 0x7f
202 #define k1212MaxADCSens 0x00
203 #define k1212MaxVolume 0x7fff
204 #define k1212MaxWaveVolume 0xffff
205 #define k1212MinVolume 0x0000
206 #define k1212MaxVolInverted 0x8000
207
208 // -----------------------------------------------------------------
209 // the following bits are used for controlling interrupts in the
210 // interrupt control/status reg
211 // -----------------------------------------------------------------
212 #define PCI_INT_ENABLE_BIT 0x00000100
213 #define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200
214 #define LOCAL_INT_ENABLE_BIT 0x00010000
215 #define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000
216 #define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000
217
218 // -----------------------------------------------------------------
219 // the following bits are defined for the PCI command register
220 // -----------------------------------------------------------------
221 #define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002
222 #define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001
223 #define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004
224
225 // -----------------------------------------------------------------
226 // the following bits are defined for the PCI status register
227 // -----------------------------------------------------------------
228 #define PCI_STAT_PARITY_ERROR_BIT 0x8000
229 #define PCI_STAT_SYSTEM_ERROR_BIT 0x4000
230 #define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000
231 #define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000
232 #define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800
233
234 // ------------------------------------------------------------------------
235 // the following constants are used in setting the 1212 I/O card's input
236 // sensitivity.
237 // ------------------------------------------------------------------------
238 #define SET_SENS_LOCALINIT_BITPOS 15
239 #define SET_SENS_DATA_BITPOS 10
240 #define SET_SENS_CLOCK_BITPOS 8
241 #define SET_SENS_LOADSHIFT_BITPOS 0
242
243 #define SET_SENS_LEFTCHANID 0x00
244 #define SET_SENS_RIGHTCHANID 0x01
245
246 #define K1212SENSUPDATE_DELAY_IN_MS 50
247
248 // --------------------------------------------------------------------------
249 // WaitRTCTicks
250 //
251 // This function waits the specified number of real time clock ticks.
252 // According to the DDK, each tick is ~0.8 microseconds.
253 // The defines following the function declaration can be used for the
254 // numTicksToWait parameter.
255 // --------------------------------------------------------------------------
256 #define ONE_RTC_TICK 1
257 #define SENSCLKPULSE_WIDTH 4
258 #define LOADSHIFT_DELAY 4
259 #define INTERCOMMAND_DELAY 40
260 #define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write
261 // the command register. (could be up to 180 us)
262 #define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
263 // from the card after sending a command.
264
265 #include "korg1212-firmware.h"
266
267 enum ClockSourceIndex {
268 K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz
269 K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz
270 K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz
271 K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz
272 K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz
273 K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz
274 K1212_CLKIDX_Invalid // used to check validity of the index
275 };
276
277 enum ClockSourceType {
278 K1212_CLKIDX_Adat = 0, // selects source as ADAT
279 K1212_CLKIDX_Word, // selects source as S/PDIF
280 K1212_CLKIDX_Local // selects source as local clock
281 };
282
283 struct KorgAudioFrame {
284 u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
285 u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
286 u32 timeCodeVal; /* holds the ADAT timecode value */
287 };
288
289 struct KorgAudioBuffer {
290 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
291 };
292
293 struct KorgSharedBuffer {
294 #ifdef K1212_LARGEALLOC
295 struct KorgAudioBuffer playDataBufs[kNumBuffers];
296 struct KorgAudioBuffer recordDataBufs[kNumBuffers];
297 #endif
298 short volumeData[kAudioChannels];
299 u32 cardCommand;
300 u16 routeData [kAudioChannels];
301 u32 AdatTimeCode; // ADAT timecode value
302 };
303
304 struct SensBits {
305 union {
306 struct {
307 unsigned int leftChanVal:8;
308 unsigned int leftChanId:8;
309 } v;
310 u16 leftSensBits;
311 } l;
312 union {
313 struct {
314 unsigned int rightChanVal:8;
315 unsigned int rightChanId:8;
316 } v;
317 u16 rightSensBits;
318 } r;
319 };
320
321 struct snd_korg1212 {
322 struct snd_card *card;
323 struct pci_dev *pci;
324 struct snd_pcm *pcm;
325 int irq;
326
327 spinlock_t lock;
328 struct semaphore open_mutex;
329
330 struct timer_list timer; /* timer callback for checking ack of stop request */
331 int stop_pending_cnt; /* counter for stop pending check */
332
333 wait_queue_head_t wait;
334
335 unsigned long iomem;
336 unsigned long ioport;
337 unsigned long iomem2;
338 unsigned long irqcount;
339 unsigned long inIRQ;
340 void __iomem *iobase;
341
342 struct snd_dma_buffer dma_dsp;
343 struct snd_dma_buffer dma_play;
344 struct snd_dma_buffer dma_rec;
345 struct snd_dma_buffer dma_shared;
346
347 u32 dspCodeSize;
348
349 u32 DataBufsSize;
350
351 struct KorgAudioBuffer * playDataBufsPtr;
352 struct KorgAudioBuffer * recordDataBufsPtr;
353
354 struct KorgSharedBuffer * sharedBufferPtr;
355
356 u32 RecDataPhy;
357 u32 PlayDataPhy;
358 unsigned long sharedBufferPhy;
359 u32 VolumeTablePhy;
360 u32 RoutingTablePhy;
361 u32 AdatTimeCodePhy;
362
363 u32 __iomem * statusRegPtr; // address of the interrupt status/control register
364 u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register
365 u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register
366 u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card
367 u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card
368 u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card
369 u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card
370 u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
371 u16 __iomem * sensRegPtr; // address of the sensitivity setting register
372 u32 __iomem * idRegPtr; // address of the device and vendor ID registers
373
374 size_t periodsize;
375 int channels;
376 int currentBuffer;
377
378 struct snd_pcm_substream *playback_substream;
379 struct snd_pcm_substream *capture_substream;
380
381 pid_t capture_pid;
382 pid_t playback_pid;
383
384 enum CardState cardState;
385 int running;
386 int idleMonitorOn; // indicates whether the card is in idle monitor mode.
387 u32 cmdRetryCount; // tracks how many times we have retried sending to the card.
388
389 enum ClockSourceIndex clkSrcRate; // sample rate and clock source
390
391 enum ClockSourceType clkSource; // clock source
392 int clkRate; // clock rate
393
394 int volumePhase[kAudioChannels];
395
396 u16 leftADCInSens; // ADC left channel input sensitivity
397 u16 rightADCInSens; // ADC right channel input sensitivity
398
399 int opencnt; // Open/Close count
400 int setcnt; // SetupForPlay count
401 int playcnt; // TriggerPlay count
402 int errorcnt; // Error Count
403 unsigned long totalerrorcnt; // Total Error Count
404
405 int dsp_is_loaded;
406 int dsp_stop_is_processed;
407
408 };
409
410 MODULE_DESCRIPTION("korg1212");
411 MODULE_LICENSE("GPL");
412 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
413
414 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
415 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
416 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
417
418 module_param_array(index, int, NULL, 0444);
419 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
420 module_param_array(id, charp, NULL, 0444);
421 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
422 module_param_array(enable, bool, NULL, 0444);
423 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
424 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
425
426 static struct pci_device_id snd_korg1212_ids[] = {
427 {
428 .vendor = 0x10b5,
429 .device = 0x906d,
430 .subvendor = PCI_ANY_ID,
431 .subdevice = PCI_ANY_ID,
432 },
433 { 0, },
434 };
435
436 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
437
438 static char *stateName[] = {
439 "Non-existent",
440 "Uninitialized",
441 "DSP download in process",
442 "DSP download complete",
443 "Ready",
444 "Open",
445 "Setup for play",
446 "Playing",
447 "Monitor mode on",
448 "Calibrating",
449 "Invalid"
450 };
451
452 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
453
454 static char *clockSourceName[] = {
455 "ADAT at 44.1 kHz",
456 "ADAT at 48 kHz",
457 "S/PDIF at 44.1 kHz",
458 "S/PDIF at 48 kHz",
459 "local clock at 44.1 kHz",
460 "local clock at 48 kHz"
461 };
462
463 static char *channelName[] = {
464 "ADAT-1",
465 "ADAT-2",
466 "ADAT-3",
467 "ADAT-4",
468 "ADAT-5",
469 "ADAT-6",
470 "ADAT-7",
471 "ADAT-8",
472 "Analog-L",
473 "Analog-R",
474 "SPDIF-L",
475 "SPDIF-R",
476 };
477
478 static u16 ClockSourceSelector[] = {
479 0x8000, // selects source as ADAT at 44.1 kHz
480 0x0000, // selects source as ADAT at 48 kHz
481 0x8001, // selects source as S/PDIF at 44.1 kHz
482 0x0001, // selects source as S/PDIF at 48 kHz
483 0x8002, // selects source as local clock at 44.1 kHz
484 0x0002 // selects source as local clock at 48 kHz
485 };
486
487 union swap_u32 { unsigned char c[4]; u32 i; };
488
489 #ifdef SNDRV_BIG_ENDIAN
490 static u32 LowerWordSwap(u32 swappee)
491 #else
492 static u32 UpperWordSwap(u32 swappee)
493 #endif
494 {
495 union swap_u32 retVal, swapper;
496
497 swapper.i = swappee;
498 retVal.c[2] = swapper.c[3];
499 retVal.c[3] = swapper.c[2];
500 retVal.c[1] = swapper.c[1];
501 retVal.c[0] = swapper.c[0];
502
503 return retVal.i;
504 }
505
506 #ifdef SNDRV_BIG_ENDIAN
507 static u32 UpperWordSwap(u32 swappee)
508 #else
509 static u32 LowerWordSwap(u32 swappee)
510 #endif
511 {
512 union swap_u32 retVal, swapper;
513
514 swapper.i = swappee;
515 retVal.c[2] = swapper.c[2];
516 retVal.c[3] = swapper.c[3];
517 retVal.c[1] = swapper.c[0];
518 retVal.c[0] = swapper.c[1];
519
520 return retVal.i;
521 }
522
523 #define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
524 #define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
525 #define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
526 #define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
527
528 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
529 enum korg1212_dbcnst doorbellVal,
530 u32 mailBox0Val, u32 mailBox1Val,
531 u32 mailBox2Val, u32 mailBox3Val)
532 {
533 u32 retryCount;
534 u16 mailBox3Lo;
535 int rc = K1212_CMDRET_Success;
536
537 if (!korg1212->outDoorbellPtr) {
538 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
539 return K1212_CMDRET_CardUninitialized;
540 }
541
542 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
543 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
544 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
545 writel(mailBox3Val, korg1212->mailbox3Ptr);
546 writel(mailBox2Val, korg1212->mailbox2Ptr);
547 writel(mailBox1Val, korg1212->mailbox1Ptr);
548 writel(mailBox0Val, korg1212->mailbox0Ptr);
549 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
550
551 // --------------------------------------------------------------
552 // the reboot command will not give an acknowledgement.
553 // --------------------------------------------------------------
554 if ( doorbellVal == K1212_DB_RebootCard ||
555 doorbellVal == K1212_DB_BootFromDSPPage4 ||
556 doorbellVal == K1212_DB_StartDSPDownload ) {
557 rc = K1212_CMDRET_Success;
558 break;
559 }
560
561 // --------------------------------------------------------------
562 // See if the card acknowledged the command. Wait a bit, then
563 // read in the low word of mailbox3. If the MSB is set and the
564 // low byte is equal to the doorbell value, then it ack'd.
565 // --------------------------------------------------------------
566 udelay(COMMAND_ACK_DELAY);
567 mailBox3Lo = readl(korg1212->mailbox3Ptr);
568 if (mailBox3Lo & COMMAND_ACK_MASK) {
569 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
570 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
571 rc = K1212_CMDRET_Success;
572 break;
573 }
574 }
575 }
576 korg1212->cmdRetryCount += retryCount;
577
578 if (retryCount >= MAX_COMMAND_RETRIES) {
579 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
580 rc = K1212_CMDRET_NoAckFromCard;
581 }
582
583 return rc;
584 }
585
586 /* spinlock already held */
587 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
588 {
589 if (! korg1212->stop_pending_cnt) {
590 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
591 /* program the timer */
592 korg1212->stop_pending_cnt = HZ;
593 korg1212->timer.expires = jiffies + 1;
594 add_timer(&korg1212->timer);
595 }
596 }
597
598 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
599 {
600 unsigned long flags;
601 spin_lock_irqsave(&korg1212->lock, flags);
602 korg1212->dsp_stop_is_processed = 0;
603 snd_korg1212_SendStop(korg1212);
604 spin_unlock_irqrestore(&korg1212->lock, flags);
605 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
606 }
607
608 /* timer callback for checking the ack of stop request */
609 static void snd_korg1212_timer_func(unsigned long data)
610 {
611 struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
612 unsigned long flags;
613
614 spin_lock_irqsave(&korg1212->lock, flags);
615 if (korg1212->sharedBufferPtr->cardCommand == 0) {
616 /* ack'ed */
617 korg1212->stop_pending_cnt = 0;
618 korg1212->dsp_stop_is_processed = 1;
619 wake_up(&korg1212->wait);
620 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
621 stateName[korg1212->cardState]);
622 } else {
623 if (--korg1212->stop_pending_cnt > 0) {
624 /* reprogram timer */
625 korg1212->timer.expires = jiffies + 1;
626 add_timer(&korg1212->timer);
627 } else {
628 snd_printd("korg1212_timer_func timeout\n");
629 korg1212->sharedBufferPtr->cardCommand = 0;
630 korg1212->dsp_stop_is_processed = 1;
631 wake_up(&korg1212->wait);
632 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
633 stateName[korg1212->cardState]);
634 }
635 }
636 spin_unlock_irqrestore(&korg1212->lock, flags);
637 }
638
639 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
640 {
641 unsigned long flags;
642 int rc;
643
644 udelay(INTERCOMMAND_DELAY);
645 spin_lock_irqsave(&korg1212->lock, flags);
646 korg1212->idleMonitorOn = 1;
647 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
648 K1212_MODE_MonitorOn, 0, 0, 0);
649 spin_unlock_irqrestore(&korg1212->lock, flags);
650 return rc;
651 }
652
653 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
654 {
655 if (korg1212->idleMonitorOn) {
656 snd_korg1212_SendStopAndWait(korg1212);
657 korg1212->idleMonitorOn = 0;
658 }
659 }
660
661 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
662 {
663 korg1212->cardState = csState;
664 }
665
666 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
667 {
668 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
669 stateName[korg1212->cardState], korg1212->opencnt);
670 down(&korg1212->open_mutex);
671 if (korg1212->opencnt++ == 0) {
672 snd_korg1212_TurnOffIdleMonitor(korg1212);
673 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
674 }
675
676 up(&korg1212->open_mutex);
677 return 1;
678 }
679
680 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
681 {
682 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
683 stateName[korg1212->cardState], korg1212->opencnt);
684
685 down(&korg1212->open_mutex);
686 if (--(korg1212->opencnt)) {
687 up(&korg1212->open_mutex);
688 return 0;
689 }
690
691 if (korg1212->cardState == K1212_STATE_SETUP) {
692 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
693 K1212_MODE_StopPlay, 0, 0, 0);
694 if (rc)
695 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
696 rc, stateName[korg1212->cardState]);
697 if (rc != K1212_CMDRET_Success) {
698 up(&korg1212->open_mutex);
699 return 0;
700 }
701 } else if (korg1212->cardState > K1212_STATE_SETUP) {
702 snd_korg1212_SendStopAndWait(korg1212);
703 }
704
705 if (korg1212->cardState > K1212_STATE_READY) {
706 snd_korg1212_TurnOnIdleMonitor(korg1212);
707 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
708 }
709
710 up(&korg1212->open_mutex);
711 return 0;
712 }
713
714 /* spinlock already held */
715 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
716 {
717 int rc;
718
719 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
720 stateName[korg1212->cardState], korg1212->setcnt);
721
722 if (korg1212->setcnt++)
723 return 0;
724
725 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
726 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
727 K1212_MODE_SetupPlay, 0, 0, 0);
728 if (rc)
729 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
730 rc, stateName[korg1212->cardState]);
731 if (rc != K1212_CMDRET_Success) {
732 return 1;
733 }
734 return 0;
735 }
736
737 /* spinlock already held */
738 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
739 {
740 int rc;
741
742 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
743 stateName[korg1212->cardState], korg1212->playcnt);
744
745 if (korg1212->playcnt++)
746 return 0;
747
748 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
749 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
750 if (rc)
751 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
752 rc, stateName[korg1212->cardState]);
753 if (rc != K1212_CMDRET_Success) {
754 return 1;
755 }
756 return 0;
757 }
758
759 /* spinlock already held */
760 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
761 {
762 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
763 stateName[korg1212->cardState], korg1212->playcnt);
764
765 if (--(korg1212->playcnt))
766 return 0;
767
768 korg1212->setcnt = 0;
769
770 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
771 snd_korg1212_SendStop(korg1212);
772
773 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
774 return 0;
775 }
776
777 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
778 {
779 writel(PCI_INT_ENABLE_BIT |
780 PCI_DOORBELL_INT_ENABLE_BIT |
781 LOCAL_INT_ENABLE_BIT |
782 LOCAL_DOORBELL_INT_ENABLE_BIT |
783 LOCAL_DMA1_INT_ENABLE_BIT,
784 korg1212->statusRegPtr);
785 }
786
787 #if 0 /* not used */
788
789 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
790 enum MonitorModeSelector mode)
791 {
792 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
793 stateName[korg1212->cardState]);
794
795 switch (mode) {
796 case K1212_MONMODE_Off:
797 if (korg1212->cardState != K1212_STATE_MONITOR)
798 return 0;
799 else {
800 snd_korg1212_SendStopAndWait(korg1212);
801 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
802 }
803 break;
804
805 case K1212_MONMODE_On:
806 if (korg1212->cardState != K1212_STATE_OPEN)
807 return 0;
808 else {
809 int rc;
810 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
811 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
812 K1212_MODE_MonitorOn, 0, 0, 0);
813 if (rc != K1212_CMDRET_Success)
814 return 0;
815 }
816 break;
817
818 default:
819 return 0;
820 }
821
822 return 1;
823 }
824
825 #endif /* not used */
826
827 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
828 {
829 if (korg1212->playback_pid != korg1212->capture_pid &&
830 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
831 return 0;
832
833 return 1;
834 }
835
836 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
837 {
838 static enum ClockSourceIndex s44[] = {
839 K1212_CLKIDX_AdatAt44_1K,
840 K1212_CLKIDX_WordAt44_1K,
841 K1212_CLKIDX_LocalAt44_1K
842 };
843 static enum ClockSourceIndex s48[] = {
844 K1212_CLKIDX_AdatAt48K,
845 K1212_CLKIDX_WordAt48K,
846 K1212_CLKIDX_LocalAt48K
847 };
848 int parm, rc;
849
850 if (!snd_korg1212_use_is_exclusive (korg1212))
851 return -EBUSY;
852
853 switch (rate) {
854 case 44100:
855 parm = s44[korg1212->clkSource];
856 break;
857
858 case 48000:
859 parm = s48[korg1212->clkSource];
860 break;
861
862 default:
863 return -EINVAL;
864 }
865
866 korg1212->clkSrcRate = parm;
867 korg1212->clkRate = rate;
868
869 udelay(INTERCOMMAND_DELAY);
870 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
871 ClockSourceSelector[korg1212->clkSrcRate],
872 0, 0, 0);
873 if (rc)
874 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
875 rc, stateName[korg1212->cardState]);
876
877 return 0;
878 }
879
880 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
881 {
882
883 if (source < 0 || source > 2)
884 return -EINVAL;
885
886 korg1212->clkSource = source;
887
888 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
889
890 return 0;
891 }
892
893 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
894 {
895 writel(0, korg1212->statusRegPtr);
896 }
897
898 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
899 {
900 struct SensBits sensVals;
901 int bitPosition;
902 int channel;
903 int clkIs48K;
904 int monModeSet;
905 u16 controlValue; // this keeps the current value to be written to
906 // the card's eeprom control register.
907 u16 count;
908 unsigned long flags;
909
910 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
911 stateName[korg1212->cardState]);
912
913 // ----------------------------------------------------------------------------
914 // initialize things. The local init bit is always set when writing to the
915 // card's control register.
916 // ----------------------------------------------------------------------------
917 controlValue = 0;
918 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
919
920 // ----------------------------------------------------------------------------
921 // make sure the card is not in monitor mode when we do this update.
922 // ----------------------------------------------------------------------------
923 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
924 monModeSet = 1;
925 snd_korg1212_SendStopAndWait(korg1212);
926 } else
927 monModeSet = 0;
928
929 spin_lock_irqsave(&korg1212->lock, flags);
930
931 // ----------------------------------------------------------------------------
932 // we are about to send new values to the card, so clear the new values queued
933 // flag. Also, clear out mailbox 3, so we don't lockup.
934 // ----------------------------------------------------------------------------
935 writel(0, korg1212->mailbox3Ptr);
936 udelay(LOADSHIFT_DELAY);
937
938 // ----------------------------------------------------------------------------
939 // determine whether we are running a 48K or 44.1K clock. This info is used
940 // later when setting the SPDIF FF after the volume has been shifted in.
941 // ----------------------------------------------------------------------------
942 switch (korg1212->clkSrcRate) {
943 case K1212_CLKIDX_AdatAt44_1K:
944 case K1212_CLKIDX_WordAt44_1K:
945 case K1212_CLKIDX_LocalAt44_1K:
946 clkIs48K = 0;
947 break;
948
949 case K1212_CLKIDX_WordAt48K:
950 case K1212_CLKIDX_AdatAt48K:
951 case K1212_CLKIDX_LocalAt48K:
952 default:
953 clkIs48K = 1;
954 break;
955 }
956
957 // ----------------------------------------------------------------------------
958 // start the update. Setup the bit structure and then shift the bits.
959 // ----------------------------------------------------------------------------
960 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
961 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
962 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
963 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
964
965 // ----------------------------------------------------------------------------
966 // now start shifting the bits in. Start with the left channel then the right.
967 // ----------------------------------------------------------------------------
968 for (channel = 0; channel < 2; channel++) {
969
970 // ----------------------------------------------------------------------------
971 // Bring the load/shift line low, then wait - the spec says >150ns from load/
972 // shift low to the first rising edge of the clock.
973 // ----------------------------------------------------------------------------
974 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
975 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
976 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
977 udelay(LOADSHIFT_DELAY);
978
979 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
980 if (channel == 0) {
981 if (sensVals.l.leftSensBits & (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 } else {
986 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
987 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
988 else
989 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
990 }
991
992 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
993 writew(controlValue, korg1212->sensRegPtr); // clock goes low
994 udelay(SENSCLKPULSE_WIDTH);
995 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
996 writew(controlValue, korg1212->sensRegPtr); // clock goes high
997 udelay(SENSCLKPULSE_WIDTH);
998 }
999
1000 // ----------------------------------------------------------------------------
1001 // finish up SPDIF for left. Bring the load/shift line high, then write a one
1002 // bit if the clock rate is 48K otherwise write 0.
1003 // ----------------------------------------------------------------------------
1004 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1005 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1006 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1007 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
1008 udelay(SENSCLKPULSE_WIDTH);
1009
1010 if (clkIs48K)
1011 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1012
1013 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
1014 udelay(ONE_RTC_TICK);
1015 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1016 writew(controlValue, korg1212->sensRegPtr); // clock goes high
1017 udelay(SENSCLKPULSE_WIDTH);
1018 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1019 writew(controlValue, korg1212->sensRegPtr); // clock goes low
1020 udelay(SENSCLKPULSE_WIDTH);
1021 }
1022
1023 // ----------------------------------------------------------------------------
1024 // The update is complete. Set a timeout. This is the inter-update delay.
1025 // Also, if the card was in monitor mode, restore it.
1026 // ----------------------------------------------------------------------------
1027 for (count = 0; count < 10; count++)
1028 udelay(SENSCLKPULSE_WIDTH);
1029
1030 if (monModeSet) {
1031 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1032 K1212_MODE_MonitorOn, 0, 0, 0);
1033 if (rc)
1034 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1035 rc, stateName[korg1212->cardState]);
1036 }
1037
1038 spin_unlock_irqrestore(&korg1212->lock, flags);
1039
1040 return 1;
1041 }
1042
1043 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1044 {
1045 int channel, rc;
1046
1047 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1048 stateName[korg1212->cardState]);
1049
1050 // ----------------------------------------------------
1051 // tell the card to boot
1052 // ----------------------------------------------------
1053 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1054
1055 if (rc)
1056 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1057 rc, stateName[korg1212->cardState]);
1058 msleep(DSP_BOOT_DELAY_IN_MS);
1059
1060 // --------------------------------------------------------------------------------
1061 // Let the card know where all the buffers are.
1062 // --------------------------------------------------------------------------------
1063 rc = snd_korg1212_Send1212Command(korg1212,
1064 K1212_DB_ConfigureBufferMemory,
1065 LowerWordSwap(korg1212->PlayDataPhy),
1066 LowerWordSwap(korg1212->RecDataPhy),
1067 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1068 // is based on 2 buffers
1069 0
1070 );
1071
1072 if (rc)
1073 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1074 rc, stateName[korg1212->cardState]);
1075
1076 udelay(INTERCOMMAND_DELAY);
1077
1078 rc = snd_korg1212_Send1212Command(korg1212,
1079 K1212_DB_ConfigureMiscMemory,
1080 LowerWordSwap(korg1212->VolumeTablePhy),
1081 LowerWordSwap(korg1212->RoutingTablePhy),
1082 LowerWordSwap(korg1212->AdatTimeCodePhy),
1083 0
1084 );
1085
1086 if (rc)
1087 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1088 rc, stateName[korg1212->cardState]);
1089
1090 // --------------------------------------------------------------------------------
1091 // Initialize the routing and volume tables, then update the card's state.
1092 // --------------------------------------------------------------------------------
1093 udelay(INTERCOMMAND_DELAY);
1094
1095 for (channel = 0; channel < kAudioChannels; channel++) {
1096 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1097 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1098 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1099 }
1100
1101 snd_korg1212_WriteADCSensitivity(korg1212);
1102
1103 udelay(INTERCOMMAND_DELAY);
1104 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1105 ClockSourceSelector[korg1212->clkSrcRate],
1106 0, 0, 0);
1107 if (rc)
1108 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1109 rc, stateName[korg1212->cardState]);
1110
1111 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1112 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1113
1114 if (rc)
1115 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1116 rc, stateName[korg1212->cardState]);
1117
1118 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1119 }
1120
1121 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs *regs)
1122 {
1123 u32 doorbellValue;
1124 struct snd_korg1212 *korg1212 = dev_id;
1125
1126 if(irq != korg1212->irq)
1127 return IRQ_NONE;
1128
1129 doorbellValue = readl(korg1212->inDoorbellPtr);
1130
1131 if (!doorbellValue)
1132 return IRQ_NONE;
1133
1134 spin_lock(&korg1212->lock);
1135
1136 writel(doorbellValue, korg1212->inDoorbellPtr);
1137
1138 korg1212->irqcount++;
1139
1140 korg1212->inIRQ++;
1141
1142
1143 switch (doorbellValue) {
1144 case K1212_DB_DSPDownloadDone:
1145 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1146 korg1212->irqcount, doorbellValue,
1147 stateName[korg1212->cardState]);
1148 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1149 korg1212->dsp_is_loaded = 1;
1150 wake_up(&korg1212->wait);
1151 }
1152 break;
1153
1154 // ------------------------------------------------------------------------
1155 // an error occurred - stop the card
1156 // ------------------------------------------------------------------------
1157 case K1212_DB_DMAERROR:
1158 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1159 korg1212->irqcount, doorbellValue,
1160 stateName[korg1212->cardState]);
1161 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1162 korg1212->errorcnt++;
1163 korg1212->totalerrorcnt++;
1164 korg1212->sharedBufferPtr->cardCommand = 0;
1165 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1166 break;
1167
1168 // ------------------------------------------------------------------------
1169 // the card has stopped by our request. Clear the command word and signal
1170 // the semaphore in case someone is waiting for this.
1171 // ------------------------------------------------------------------------
1172 case K1212_DB_CARDSTOPPED:
1173 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1174 korg1212->irqcount, doorbellValue,
1175 stateName[korg1212->cardState]);
1176 korg1212->sharedBufferPtr->cardCommand = 0;
1177 break;
1178
1179 default:
1180 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1181 korg1212->irqcount, doorbellValue,
1182 korg1212->currentBuffer, stateName[korg1212->cardState]);
1183 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1184 korg1212->currentBuffer++;
1185
1186 if (korg1212->currentBuffer >= kNumBuffers)
1187 korg1212->currentBuffer = 0;
1188
1189 if (!korg1212->running)
1190 break;
1191
1192 if (korg1212->capture_substream) {
1193 spin_unlock(&korg1212->lock);
1194 snd_pcm_period_elapsed(korg1212->capture_substream);
1195 spin_lock(&korg1212->lock);
1196 }
1197
1198 if (korg1212->playback_substream) {
1199 spin_unlock(&korg1212->lock);
1200 snd_pcm_period_elapsed(korg1212->playback_substream);
1201 spin_lock(&korg1212->lock);
1202 }
1203 }
1204 break;
1205 }
1206
1207 korg1212->inIRQ--;
1208
1209 spin_unlock(&korg1212->lock);
1210
1211 return IRQ_HANDLED;
1212 }
1213
1214 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1215 {
1216 int rc;
1217
1218 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1219 stateName[korg1212->cardState]);
1220
1221 // ---------------------------------------------------------------
1222 // verify the state of the card before proceeding.
1223 // ---------------------------------------------------------------
1224 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1225 return 1;
1226
1227 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1228
1229 memcpy(korg1212->dma_dsp.area, dspCode, korg1212->dspCodeSize);
1230
1231 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1232 UpperWordSwap(korg1212->dma_dsp.addr),
1233 0, 0, 0);
1234 if (rc)
1235 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1236 rc, stateName[korg1212->cardState]);
1237
1238 korg1212->dsp_is_loaded = 0;
1239 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1240 if (! korg1212->dsp_is_loaded )
1241 return -EBUSY; /* timeout */
1242
1243 snd_korg1212_OnDSPDownloadComplete(korg1212);
1244
1245 return 0;
1246 }
1247
1248 static struct snd_pcm_hardware snd_korg1212_playback_info =
1249 {
1250 .info = (SNDRV_PCM_INFO_MMAP |
1251 SNDRV_PCM_INFO_MMAP_VALID |
1252 SNDRV_PCM_INFO_INTERLEAVED),
1253 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1254 .rates = (SNDRV_PCM_RATE_44100 |
1255 SNDRV_PCM_RATE_48000),
1256 .rate_min = 44100,
1257 .rate_max = 48000,
1258 .channels_min = K1212_MIN_CHANNELS,
1259 .channels_max = K1212_MAX_CHANNELS,
1260 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1261 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1262 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1263 .periods_min = K1212_PERIODS,
1264 .periods_max = K1212_PERIODS,
1265 .fifo_size = 0,
1266 };
1267
1268 static struct snd_pcm_hardware snd_korg1212_capture_info =
1269 {
1270 .info = (SNDRV_PCM_INFO_MMAP |
1271 SNDRV_PCM_INFO_MMAP_VALID |
1272 SNDRV_PCM_INFO_INTERLEAVED),
1273 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1274 .rates = (SNDRV_PCM_RATE_44100 |
1275 SNDRV_PCM_RATE_48000),
1276 .rate_min = 44100,
1277 .rate_max = 48000,
1278 .channels_min = K1212_MIN_CHANNELS,
1279 .channels_max = K1212_MAX_CHANNELS,
1280 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1281 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1282 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1283 .periods_min = K1212_PERIODS,
1284 .periods_max = K1212_PERIODS,
1285 .fifo_size = 0,
1286 };
1287
1288 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1289 {
1290 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1291 int i;
1292
1293 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1294 pos, offset, size, count);
1295 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1296
1297 for (i=0; i < count; i++) {
1298 #if K1212_DEBUG_LEVEL > 0
1299 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1300 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1301 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1302 dst, i);
1303 return -EFAULT;
1304 }
1305 #endif
1306 memset((void*) dst + offset, 0, size);
1307 dst++;
1308 }
1309
1310 return 0;
1311 }
1312
1313 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1314 {
1315 struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1316 int i, rc;
1317
1318 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1319 pos, offset, size);
1320 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1321
1322 for (i=0; i < count; i++) {
1323 #if K1212_DEBUG_LEVEL > 0
1324 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1325 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1326 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1327 return -EFAULT;
1328 }
1329 #endif
1330 rc = copy_to_user(dst + offset, src, size);
1331 if (rc) {
1332 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1333 return -EFAULT;
1334 }
1335 src++;
1336 dst += size;
1337 }
1338
1339 return 0;
1340 }
1341
1342 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1343 {
1344 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1345 int i, rc;
1346
1347 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1348 pos, offset, size, count);
1349
1350 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1351
1352 for (i=0; i < count; i++) {
1353 #if K1212_DEBUG_LEVEL > 0
1354 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1355 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1356 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1357 return -EFAULT;
1358 }
1359 #endif
1360 rc = copy_from_user((void*) dst + offset, src, size);
1361 if (rc) {
1362 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1363 return -EFAULT;
1364 }
1365 dst++;
1366 src += size;
1367 }
1368
1369 return 0;
1370 }
1371
1372 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1373 {
1374 struct snd_korg1212 *korg1212 = pcm->private_data;
1375
1376 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1377 stateName[korg1212->cardState]);
1378
1379 korg1212->pcm = NULL;
1380 }
1381
1382 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1383 {
1384 unsigned long flags;
1385 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1386 struct snd_pcm_runtime *runtime = substream->runtime;
1387
1388 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1389 stateName[korg1212->cardState]);
1390
1391 snd_pcm_set_sync(substream); // ???
1392
1393 snd_korg1212_OpenCard(korg1212);
1394
1395 runtime->hw = snd_korg1212_playback_info;
1396 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1397
1398 spin_lock_irqsave(&korg1212->lock, flags);
1399
1400 korg1212->playback_substream = substream;
1401 korg1212->playback_pid = current->pid;
1402 korg1212->periodsize = K1212_PERIODS;
1403 korg1212->channels = K1212_CHANNELS;
1404 korg1212->errorcnt = 0;
1405
1406 spin_unlock_irqrestore(&korg1212->lock, flags);
1407
1408 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1409 return 0;
1410 }
1411
1412
1413 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1414 {
1415 unsigned long flags;
1416 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1417 struct snd_pcm_runtime *runtime = substream->runtime;
1418
1419 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1420 stateName[korg1212->cardState]);
1421
1422 snd_pcm_set_sync(substream);
1423
1424 snd_korg1212_OpenCard(korg1212);
1425
1426 runtime->hw = snd_korg1212_capture_info;
1427 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1428
1429 spin_lock_irqsave(&korg1212->lock, flags);
1430
1431 korg1212->capture_substream = substream;
1432 korg1212->capture_pid = current->pid;
1433 korg1212->periodsize = K1212_PERIODS;
1434 korg1212->channels = K1212_CHANNELS;
1435
1436 spin_unlock_irqrestore(&korg1212->lock, flags);
1437
1438 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1439 kPlayBufferFrames, kPlayBufferFrames);
1440 return 0;
1441 }
1442
1443 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1444 {
1445 unsigned long flags;
1446 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1447
1448 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1449 stateName[korg1212->cardState]);
1450
1451 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1452
1453 spin_lock_irqsave(&korg1212->lock, flags);
1454
1455 korg1212->playback_pid = -1;
1456 korg1212->playback_substream = NULL;
1457 korg1212->periodsize = 0;
1458
1459 spin_unlock_irqrestore(&korg1212->lock, flags);
1460
1461 snd_korg1212_CloseCard(korg1212);
1462 return 0;
1463 }
1464
1465 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1466 {
1467 unsigned long flags;
1468 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1469
1470 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1471 stateName[korg1212->cardState]);
1472
1473 spin_lock_irqsave(&korg1212->lock, flags);
1474
1475 korg1212->capture_pid = -1;
1476 korg1212->capture_substream = NULL;
1477 korg1212->periodsize = 0;
1478
1479 spin_unlock_irqrestore(&korg1212->lock, flags);
1480
1481 snd_korg1212_CloseCard(korg1212);
1482 return 0;
1483 }
1484
1485 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1486 unsigned int cmd, void *arg)
1487 {
1488 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1489
1490 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1491 struct snd_pcm_channel_info *info = arg;
1492 info->offset = 0;
1493 info->first = info->channel * 16;
1494 info->step = 256;
1495 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1496 return 0;
1497 }
1498
1499 return snd_pcm_lib_ioctl(substream, cmd, arg);
1500 }
1501
1502 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1503 struct snd_pcm_hw_params *params)
1504 {
1505 unsigned long flags;
1506 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1507 int err;
1508 pid_t this_pid;
1509 pid_t other_pid;
1510
1511 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1512 stateName[korg1212->cardState]);
1513
1514 spin_lock_irqsave(&korg1212->lock, flags);
1515
1516 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1517 this_pid = korg1212->playback_pid;
1518 other_pid = korg1212->capture_pid;
1519 } else {
1520 this_pid = korg1212->capture_pid;
1521 other_pid = korg1212->playback_pid;
1522 }
1523
1524 if ((other_pid > 0) && (this_pid != other_pid)) {
1525
1526 /* The other stream is open, and not by the same
1527 task as this one. Make sure that the parameters
1528 that matter are the same.
1529 */
1530
1531 if ((int)params_rate(params) != korg1212->clkRate) {
1532 spin_unlock_irqrestore(&korg1212->lock, flags);
1533 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1534 return -EBUSY;
1535 }
1536
1537 spin_unlock_irqrestore(&korg1212->lock, flags);
1538 return 0;
1539 }
1540
1541 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1542 spin_unlock_irqrestore(&korg1212->lock, flags);
1543 return err;
1544 }
1545
1546 korg1212->channels = params_channels(params);
1547 korg1212->periodsize = K1212_PERIOD_BYTES;
1548
1549 spin_unlock_irqrestore(&korg1212->lock, flags);
1550
1551 return 0;
1552 }
1553
1554 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1555 {
1556 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1557 int rc;
1558
1559 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1560 stateName[korg1212->cardState]);
1561
1562 spin_lock_irq(&korg1212->lock);
1563
1564 /* FIXME: we should wait for ack! */
1565 if (korg1212->stop_pending_cnt > 0) {
1566 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1567 stateName[korg1212->cardState]);
1568 spin_unlock_irq(&korg1212->lock);
1569 return -EAGAIN;
1570 /*
1571 korg1212->sharedBufferPtr->cardCommand = 0;
1572 del_timer(&korg1212->timer);
1573 korg1212->stop_pending_cnt = 0;
1574 */
1575 }
1576
1577 rc = snd_korg1212_SetupForPlay(korg1212);
1578
1579 korg1212->currentBuffer = 0;
1580
1581 spin_unlock_irq(&korg1212->lock);
1582
1583 return rc ? -EINVAL : 0;
1584 }
1585
1586 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1587 int cmd)
1588 {
1589 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1590 int rc;
1591
1592 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1593 stateName[korg1212->cardState], cmd);
1594
1595 spin_lock(&korg1212->lock);
1596 switch (cmd) {
1597 case SNDRV_PCM_TRIGGER_START:
1598 /*
1599 if (korg1212->running) {
1600 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1601 break;
1602 }
1603 */
1604 korg1212->running++;
1605 rc = snd_korg1212_TriggerPlay(korg1212);
1606 break;
1607
1608 case SNDRV_PCM_TRIGGER_STOP:
1609 /*
1610 if (!korg1212->running) {
1611 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1612 break;
1613 }
1614 */
1615 korg1212->running--;
1616 rc = snd_korg1212_StopPlay(korg1212);
1617 break;
1618
1619 default:
1620 rc = 1;
1621 break;
1622 }
1623 spin_unlock(&korg1212->lock);
1624 return rc ? -EINVAL : 0;
1625 }
1626
1627 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1628 {
1629 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1630 snd_pcm_uframes_t pos;
1631
1632 pos = korg1212->currentBuffer * kPlayBufferFrames;
1633
1634 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1635 stateName[korg1212->cardState], pos);
1636
1637 return pos;
1638 }
1639
1640 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1641 {
1642 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1643 snd_pcm_uframes_t pos;
1644
1645 pos = korg1212->currentBuffer * kPlayBufferFrames;
1646
1647 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1648 stateName[korg1212->cardState], pos);
1649
1650 return pos;
1651 }
1652
1653 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1654 int channel, /* not used (interleaved data) */
1655 snd_pcm_uframes_t pos,
1656 void __user *src,
1657 snd_pcm_uframes_t count)
1658 {
1659 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1660
1661 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1662 stateName[korg1212->cardState], pos, count);
1663
1664 return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1665
1666 }
1667
1668 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1669 int channel, /* not used (interleaved data) */
1670 snd_pcm_uframes_t pos,
1671 snd_pcm_uframes_t count)
1672 {
1673 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1674
1675 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1676 stateName[korg1212->cardState]);
1677
1678 return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1679 }
1680
1681 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1682 int channel, /* not used (interleaved data) */
1683 snd_pcm_uframes_t pos,
1684 void __user *dst,
1685 snd_pcm_uframes_t count)
1686 {
1687 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1688
1689 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1690 stateName[korg1212->cardState], pos, count);
1691
1692 return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1693 }
1694
1695 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1696 .open = snd_korg1212_playback_open,
1697 .close = snd_korg1212_playback_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_playback_pointer,
1703 .copy = snd_korg1212_playback_copy,
1704 .silence = snd_korg1212_playback_silence,
1705 };
1706
1707 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1708 .open = snd_korg1212_capture_open,
1709 .close = snd_korg1212_capture_close,
1710 .ioctl = snd_korg1212_ioctl,
1711 .hw_params = snd_korg1212_hw_params,
1712 .prepare = snd_korg1212_prepare,
1713 .trigger = snd_korg1212_trigger,
1714 .pointer = snd_korg1212_capture_pointer,
1715 .copy = snd_korg1212_capture_copy,
1716 };
1717
1718 /*
1719 * Control Interface
1720 */
1721
1722 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1723 struct snd_ctl_elem_info *uinfo)
1724 {
1725 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1726 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1727 return 0;
1728 }
1729
1730 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1731 struct snd_ctl_elem_value *u)
1732 {
1733 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1734 int i = kcontrol->private_value;
1735
1736 spin_lock_irq(&korg1212->lock);
1737
1738 u->value.integer.value[0] = korg1212->volumePhase[i];
1739
1740 if (i >= 8)
1741 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1742
1743 spin_unlock_irq(&korg1212->lock);
1744
1745 return 0;
1746 }
1747
1748 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1749 struct snd_ctl_elem_value *u)
1750 {
1751 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1752 int change = 0;
1753 int i, val;
1754
1755 spin_lock_irq(&korg1212->lock);
1756
1757 i = kcontrol->private_value;
1758
1759 korg1212->volumePhase[i] = u->value.integer.value[0];
1760
1761 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1762
1763 if ((u->value.integer.value[0] > 0) != (val < 0)) {
1764 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1765 korg1212->sharedBufferPtr->volumeData[i] = val;
1766 change = 1;
1767 }
1768
1769 if (i >= 8) {
1770 korg1212->volumePhase[i+1] = u->value.integer.value[1];
1771
1772 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1773
1774 if ((u->value.integer.value[1] > 0) != (val < 0)) {
1775 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1776 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1777 change = 1;
1778 }
1779 }
1780
1781 spin_unlock_irq(&korg1212->lock);
1782
1783 return change;
1784 }
1785
1786 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1787 struct snd_ctl_elem_info *uinfo)
1788 {
1789 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1790 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1791 uinfo->value.integer.min = k1212MinVolume;
1792 uinfo->value.integer.max = k1212MaxVolume;
1793 return 0;
1794 }
1795
1796 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1797 struct snd_ctl_elem_value *u)
1798 {
1799 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1800 int i;
1801
1802 spin_lock_irq(&korg1212->lock);
1803
1804 i = kcontrol->private_value;
1805 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1806
1807 if (i >= 8)
1808 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1809
1810 spin_unlock_irq(&korg1212->lock);
1811
1812 return 0;
1813 }
1814
1815 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1816 struct snd_ctl_elem_value *u)
1817 {
1818 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1819 int change = 0;
1820 int i;
1821 int val;
1822
1823 spin_lock_irq(&korg1212->lock);
1824
1825 i = kcontrol->private_value;
1826
1827 if (u->value.integer.value[0] != abs(korg1212->sharedBufferPtr->volumeData[i])) {
1828 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1829 val *= u->value.integer.value[0];
1830 korg1212->sharedBufferPtr->volumeData[i] = val;
1831 change = 1;
1832 }
1833
1834 if (i >= 8) {
1835 if (u->value.integer.value[1] != abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1836 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1837 val *= u->value.integer.value[1];
1838 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1839 change = 1;
1840 }
1841 }
1842
1843 spin_unlock_irq(&korg1212->lock);
1844
1845 return change;
1846 }
1847
1848 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1849 struct snd_ctl_elem_info *uinfo)
1850 {
1851 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1852 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1853 uinfo->value.enumerated.items = kAudioChannels;
1854 if (uinfo->value.enumerated.item > kAudioChannels-1) {
1855 uinfo->value.enumerated.item = kAudioChannels-1;
1856 }
1857 strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1858 return 0;
1859 }
1860
1861 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1862 struct snd_ctl_elem_value *u)
1863 {
1864 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1865 int i;
1866
1867 spin_lock_irq(&korg1212->lock);
1868
1869 i = kcontrol->private_value;
1870 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1871
1872 if (i >= 8)
1873 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1874
1875 spin_unlock_irq(&korg1212->lock);
1876
1877 return 0;
1878 }
1879
1880 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1881 struct snd_ctl_elem_value *u)
1882 {
1883 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1884 int change = 0, i;
1885
1886 spin_lock_irq(&korg1212->lock);
1887
1888 i = kcontrol->private_value;
1889
1890 if (u->value.enumerated.item[0] != (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1891 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1892 change = 1;
1893 }
1894
1895 if (i >= 8) {
1896 if (u->value.enumerated.item[1] != (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 {
1910 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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] != korg1212->leftADCInSens) {
1941 korg1212->leftADCInSens = u->value.integer.value[0];
1942 change = 1;
1943 }
1944 if (u->value.integer.value[1] != korg1212->rightADCInSens) {
1945 korg1212->rightADCInSens = u->value.integer.value[1];
1946 change = 1;
1947 }
1948
1949 spin_unlock_irq(&korg1212->lock);
1950
1951 if (change)
1952 snd_korg1212_WriteADCSensitivity(korg1212);
1953
1954 return change;
1955 }
1956
1957 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1958 struct snd_ctl_elem_info *uinfo)
1959 {
1960 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1961 uinfo->count = 1;
1962 uinfo->value.enumerated.items = 3;
1963 if (uinfo->value.enumerated.item > 2) {
1964 uinfo->value.enumerated.item = 2;
1965 }
1966 strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1967 return 0;
1968 }
1969
1970 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1971 struct snd_ctl_elem_value *ucontrol)
1972 {
1973 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1974
1975 spin_lock_irq(&korg1212->lock);
1976
1977 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1978
1979 spin_unlock_irq(&korg1212->lock);
1980 return 0;
1981 }
1982
1983 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1984 struct snd_ctl_elem_value *ucontrol)
1985 {
1986 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1987 unsigned int val;
1988 int change;
1989
1990 val = ucontrol->value.enumerated.item[0] % 3;
1991 spin_lock_irq(&korg1212->lock);
1992 change = val != korg1212->clkSource;
1993 snd_korg1212_SetClockSource(korg1212, val);
1994 spin_unlock_irq(&korg1212->lock);
1995 return change;
1996 }
1997
1998 #define MON_MIXER(ord,c_name) \
1999 { \
2000 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2001 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2002 .name = c_name " Monitor Volume", \
2003 .info = snd_korg1212_control_volume_info, \
2004 .get = snd_korg1212_control_volume_get, \
2005 .put = snd_korg1212_control_volume_put, \
2006 .private_value = ord, \
2007 }, \
2008 { \
2009 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2010 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2011 .name = c_name " Monitor Route", \
2012 .info = snd_korg1212_control_route_info, \
2013 .get = snd_korg1212_control_route_get, \
2014 .put = snd_korg1212_control_route_put, \
2015 .private_value = ord, \
2016 }, \
2017 { \
2018 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2019 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2020 .name = c_name " Monitor Phase Invert", \
2021 .info = snd_korg1212_control_phase_info, \
2022 .get = snd_korg1212_control_phase_get, \
2023 .put = snd_korg1212_control_phase_put, \
2024 .private_value = ord, \
2025 }
2026
2027 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2028 MON_MIXER(8, "Analog"),
2029 MON_MIXER(10, "SPDIF"),
2030 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2031 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2032 {
2033 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2034 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2035 .name = "Sync Source",
2036 .info = snd_korg1212_control_sync_info,
2037 .get = snd_korg1212_control_sync_get,
2038 .put = snd_korg1212_control_sync_put,
2039 },
2040 {
2041 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2042 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2043 .name = "ADC Attenuation",
2044 .info = snd_korg1212_control_info,
2045 .get = snd_korg1212_control_get,
2046 .put = snd_korg1212_control_put,
2047 }
2048 };
2049
2050 /*
2051 * proc interface
2052 */
2053
2054 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2055 struct snd_info_buffer *buffer)
2056 {
2057 int n;
2058 struct snd_korg1212 *korg1212 = entry->private_data;
2059
2060 snd_iprintf(buffer, korg1212->card->longname);
2061 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2062 snd_iprintf(buffer, "\nGeneral settings\n");
2063 snd_iprintf(buffer, " period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2064 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2065 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2066 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2067 snd_iprintf(buffer, " Volume Info:\n");
2068 for (n=0; n<kAudioChannels; n++)
2069 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2070 channelName[n],
2071 channelName[korg1212->sharedBufferPtr->routeData[n]],
2072 korg1212->sharedBufferPtr->volumeData[n]);
2073 snd_iprintf(buffer, "\nGeneral status\n");
2074 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2075 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2076 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2077 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2078 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2079 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2080 }
2081
2082 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2083 {
2084 struct snd_info_entry *entry;
2085
2086 if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2087 snd_info_set_text_ops(entry, korg1212, 1024, snd_korg1212_proc_read);
2088 }
2089
2090 static int
2091 snd_korg1212_free(struct snd_korg1212 *korg1212)
2092 {
2093 snd_korg1212_TurnOffIdleMonitor(korg1212);
2094
2095 if (korg1212->irq >= 0) {
2096 synchronize_irq(korg1212->irq);
2097 snd_korg1212_DisableCardInterrupts(korg1212);
2098 free_irq(korg1212->irq, korg1212);
2099 korg1212->irq = -1;
2100 }
2101
2102 if (korg1212->iobase != NULL) {
2103 iounmap(korg1212->iobase);
2104 korg1212->iobase = NULL;
2105 }
2106
2107 pci_release_regions(korg1212->pci);
2108
2109 // ----------------------------------------------------
2110 // free up memory resources used for the DSP download.
2111 // ----------------------------------------------------
2112 if (korg1212->dma_dsp.area) {
2113 snd_dma_free_pages(&korg1212->dma_dsp);
2114 korg1212->dma_dsp.area = NULL;
2115 }
2116
2117 #ifndef K1212_LARGEALLOC
2118
2119 // ------------------------------------------------------
2120 // free up memory resources used for the Play/Rec Buffers
2121 // ------------------------------------------------------
2122 if (korg1212->dma_play.area) {
2123 snd_dma_free_pages(&korg1212->dma_play);
2124 korg1212->dma_play.area = NULL;
2125 }
2126
2127 if (korg1212->dma_rec.area) {
2128 snd_dma_free_pages(&korg1212->dma_rec);
2129 korg1212->dma_rec.area = NULL;
2130 }
2131
2132 #endif
2133
2134 // ----------------------------------------------------
2135 // free up memory resources used for the Shared Buffers
2136 // ----------------------------------------------------
2137 if (korg1212->dma_shared.area) {
2138 snd_dma_free_pages(&korg1212->dma_shared);
2139 korg1212->dma_shared.area = NULL;
2140 }
2141
2142 pci_disable_device(korg1212->pci);
2143 kfree(korg1212);
2144 return 0;
2145 }
2146
2147 static int snd_korg1212_dev_free(struct snd_device *device)
2148 {
2149 struct snd_korg1212 *korg1212 = device->device_data;
2150 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2151 return snd_korg1212_free(korg1212);
2152 }
2153
2154 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2155 struct snd_korg1212 ** rchip)
2156
2157 {
2158 int err, rc;
2159 unsigned int i;
2160 unsigned ioport_size, iomem_size, iomem2_size;
2161 struct snd_korg1212 * korg1212;
2162
2163 static struct snd_device_ops ops = {
2164 .dev_free = snd_korg1212_dev_free,
2165 };
2166
2167 * rchip = NULL;
2168 if ((err = pci_enable_device(pci)) < 0)
2169 return err;
2170
2171 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2172 if (korg1212 == NULL) {
2173 pci_disable_device(pci);
2174 return -ENOMEM;
2175 }
2176
2177 korg1212->card = card;
2178 korg1212->pci = pci;
2179
2180 init_waitqueue_head(&korg1212->wait);
2181 spin_lock_init(&korg1212->lock);
2182 init_MUTEX(&korg1212->open_mutex);
2183 init_timer(&korg1212->timer);
2184 korg1212->timer.function = snd_korg1212_timer_func;
2185 korg1212->timer.data = (unsigned long)korg1212;
2186
2187 korg1212->irq = -1;
2188 korg1212->clkSource = K1212_CLKIDX_Local;
2189 korg1212->clkRate = 44100;
2190 korg1212->inIRQ = 0;
2191 korg1212->running = 0;
2192 korg1212->opencnt = 0;
2193 korg1212->playcnt = 0;
2194 korg1212->setcnt = 0;
2195 korg1212->totalerrorcnt = 0;
2196 korg1212->playback_pid = -1;
2197 korg1212->capture_pid = -1;
2198 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2199 korg1212->idleMonitorOn = 0;
2200 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2201 korg1212->leftADCInSens = k1212MaxADCSens;
2202 korg1212->rightADCInSens = k1212MaxADCSens;
2203
2204 for (i=0; i<kAudioChannels; i++)
2205 korg1212->volumePhase[i] = 0;
2206
2207 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2208 kfree(korg1212);
2209 pci_disable_device(pci);
2210 return err;
2211 }
2212
2213 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2214 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2215 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2216
2217 iomem_size = pci_resource_len(korg1212->pci, 0);
2218 ioport_size = pci_resource_len(korg1212->pci, 1);
2219 iomem2_size = pci_resource_len(korg1212->pci, 2);
2220
2221 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2222 " iomem = 0x%lx (%d)\n"
2223 " ioport = 0x%lx (%d)\n"
2224 " iomem = 0x%lx (%d)\n"
2225 " [%s]\n",
2226 korg1212->iomem, iomem_size,
2227 korg1212->ioport, ioport_size,
2228 korg1212->iomem2, iomem2_size,
2229 stateName[korg1212->cardState]);
2230
2231 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2232 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2233 korg1212->iomem + iomem_size - 1);
2234 snd_korg1212_free(korg1212);
2235 return -EBUSY;
2236 }
2237
2238 err = request_irq(pci->irq, snd_korg1212_interrupt,
2239 SA_INTERRUPT|SA_SHIRQ,
2240 "korg1212", korg1212);
2241
2242 if (err) {
2243 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2244 snd_korg1212_free(korg1212);
2245 return -EBUSY;
2246 }
2247
2248 korg1212->irq = pci->irq;
2249
2250 pci_set_master(korg1212->pci);
2251
2252 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2253 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2254 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2255 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2256 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2257 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2258 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2259 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2260 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2261 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2262
2263 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2264 " Status register = 0x%p\n"
2265 " OutDoorbell = 0x%p\n"
2266 " InDoorbell = 0x%p\n"
2267 " Mailbox0 = 0x%p\n"
2268 " Mailbox1 = 0x%p\n"
2269 " Mailbox2 = 0x%p\n"
2270 " Mailbox3 = 0x%p\n"
2271 " ControlReg = 0x%p\n"
2272 " SensReg = 0x%p\n"
2273 " IDReg = 0x%p\n"
2274 " [%s]\n",
2275 korg1212->statusRegPtr,
2276 korg1212->outDoorbellPtr,
2277 korg1212->inDoorbellPtr,
2278 korg1212->mailbox0Ptr,
2279 korg1212->mailbox1Ptr,
2280 korg1212->mailbox2Ptr,
2281 korg1212->mailbox3Ptr,
2282 korg1212->controlRegPtr,
2283 korg1212->sensRegPtr,
2284 korg1212->idRegPtr,
2285 stateName[korg1212->cardState]);
2286
2287 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2288 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2289 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2290 snd_korg1212_free(korg1212);
2291 return -ENOMEM;
2292 }
2293 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2294 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2295
2296 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2297
2298 #ifndef K1212_LARGEALLOC
2299
2300 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2301
2302 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2303 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2304 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2305 snd_korg1212_free(korg1212);
2306 return -ENOMEM;
2307 }
2308 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2309 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2310
2311 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2312 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2313
2314 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2315 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2316 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2317 snd_korg1212_free(korg1212);
2318 return -ENOMEM;
2319 }
2320 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2321 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2322
2323 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2324 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2325
2326 #else // K1212_LARGEALLOC
2327
2328 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2329 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2330 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2331 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2332
2333 #endif // K1212_LARGEALLOC
2334
2335 korg1212->dspCodeSize = sizeof (dspCode);
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 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2345 korg1212->dspCodeSize, &korg1212->dma_dsp) < 0) {
2346 snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
2347 snd_korg1212_free(korg1212);
2348 return -ENOMEM;
2349 }
2350
2351 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2352 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, korg1212->dspCodeSize,
2353 stateName[korg1212->cardState]);
2354
2355 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2356
2357 if (rc)
2358 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2359
2360 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2361 snd_korg1212_free(korg1212);
2362 return err;
2363 }
2364
2365 snd_korg1212_EnableCardInterrupts(korg1212);
2366
2367 mdelay(CARD_BOOT_DELAY_IN_MS);
2368
2369 if (snd_korg1212_downloadDSPCode(korg1212))
2370 return -EBUSY;
2371
2372 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2373 "PlayDataPhy = %08x L[%08x]\n"
2374 "korg1212: RecDataPhy = %08x L[%08x], "
2375 "VolumeTablePhy = %08x L[%08x]\n"
2376 "korg1212: RoutingTablePhy = %08x L[%08x], "
2377 "AdatTimeCodePhy = %08x L[%08x]\n",
2378 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2379 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2380 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2381 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2382 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2383 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2384
2385 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2386 return err;
2387
2388 korg1212->pcm->private_data = korg1212;
2389 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2390 strcpy(korg1212->pcm->name, "korg1212");
2391
2392 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2393
2394 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2395
2396 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2397
2398 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2399 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2400 if (err < 0)
2401 return err;
2402 }
2403
2404 snd_korg1212_proc_init(korg1212);
2405
2406 snd_card_set_dev(card, &pci->dev);
2407
2408 * rchip = korg1212;
2409 return 0;
2410
2411 }
2412
2413 /*
2414 * Card initialisation
2415 */
2416
2417 static int __devinit
2418 snd_korg1212_probe(struct pci_dev *pci,
2419 const struct pci_device_id *pci_id)
2420 {
2421 static int dev;
2422 struct snd_korg1212 *korg1212;
2423 struct snd_card *card;
2424 int err;
2425
2426 if (dev >= SNDRV_CARDS) {
2427 return -ENODEV;
2428 }
2429 if (!enable[dev]) {
2430 dev++;
2431 return -ENOENT;
2432 }
2433 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2434 if (card == NULL)
2435 return -ENOMEM;
2436
2437 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2438 snd_card_free(card);
2439 return err;
2440 }
2441
2442 strcpy(card->driver, "korg1212");
2443 strcpy(card->shortname, "korg1212");
2444 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2445 korg1212->iomem, korg1212->irq);
2446
2447 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2448
2449 if ((err = snd_card_register(card)) < 0) {
2450 snd_card_free(card);
2451 return err;
2452 }
2453 pci_set_drvdata(pci, card);
2454 dev++;
2455 return 0;
2456 }
2457
2458 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2459 {
2460 snd_card_free(pci_get_drvdata(pci));
2461 pci_set_drvdata(pci, NULL);
2462 }
2463
2464 static struct pci_driver driver = {
2465 .name = "korg1212",
2466 .id_table = snd_korg1212_ids,
2467 .probe = snd_korg1212_probe,
2468 .remove = __devexit_p(snd_korg1212_remove),
2469 };
2470
2471 static int __init alsa_card_korg1212_init(void)
2472 {
2473 return pci_register_driver(&driver);
2474 }
2475
2476 static void __exit alsa_card_korg1212_exit(void)
2477 {
2478 pci_unregister_driver(&driver);
2479 }
2480
2481 module_init(alsa_card_korg1212_init)
2482 module_exit(alsa_card_korg1212_exit)
Linux kernel - Deliverables
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