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[ALSA] Fix possible races at free_irq in PCI drivers
[linux-2.6.git] / sound / pci / korg1212 / korg1212.c
blobf4c85b52bde33ff47c0e53c78a9ac533601c4281
1 /*
2 * Driver for the Korg 1212 IO PCI card
3 *
4 * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 *
20 */
21
22 #include <linux/delay.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/pci.h>
26 #include <linux/slab.h>
27 #include <linux/wait.h>
28 #include <linux/moduleparam.h>
29 #include <linux/mutex.h>
30 #include <linux/firmware.h>
31
32 #include <sound/core.h>
33 #include <sound/info.h>
34 #include <sound/control.h>
35 #include <sound/pcm.h>
36 #include <sound/pcm_params.h>
37 #include <sound/initval.h>
38
39 #include <asm/io.h>
40
41 // ----------------------------------------------------------------------------
42 // Debug Stuff
43 // ----------------------------------------------------------------------------
44 #define K1212_DEBUG_LEVEL 0
45 #if K1212_DEBUG_LEVEL > 0
46 #define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args)
47 #else
48 #define K1212_DEBUG_PRINTK(fmt,...)
49 #endif
50 #if K1212_DEBUG_LEVEL > 1
51 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args)
52 #else
53 #define K1212_DEBUG_PRINTK_VERBOSE(fmt,...)
54 #endif
55
56 // ----------------------------------------------------------------------------
57 // Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all
58 // buffers are alocated as a large piece inside KorgSharedBuffer.
59 // ----------------------------------------------------------------------------
60 //#define K1212_LARGEALLOC 1
61
62 // ----------------------------------------------------------------------------
63 // Valid states of the Korg 1212 I/O card.
64 // ----------------------------------------------------------------------------
65 enum CardState {
66 K1212_STATE_NONEXISTENT, // there is no card here
67 K1212_STATE_UNINITIALIZED, // the card is awaiting DSP download
68 K1212_STATE_DSP_IN_PROCESS, // the card is currently downloading its DSP code
69 K1212_STATE_DSP_COMPLETE, // the card has finished the DSP download
70 K1212_STATE_READY, // the card can be opened by an application. Any application
71 // requests prior to this state should fail. Only an open
72 // request can be made at this state.
73 K1212_STATE_OPEN, // an application has opened the card
74 K1212_STATE_SETUP, // the card has been setup for play
75 K1212_STATE_PLAYING, // the card is playing
76 K1212_STATE_MONITOR, // the card is in the monitor mode
77 K1212_STATE_CALIBRATING, // the card is currently calibrating
78 K1212_STATE_ERRORSTOP, // the card has stopped itself because of an error and we
79 // are in the process of cleaning things up.
80 K1212_STATE_MAX_STATE // state values of this and beyond are invalid
81 };
82
83 // ----------------------------------------------------------------------------
84 // The following enumeration defines the constants written to the card's
85 // host-to-card doorbell to initiate a command.
86 // ----------------------------------------------------------------------------
87 enum korg1212_dbcnst {
88 K1212_DB_RequestForData = 0, // sent by the card to request a buffer fill.
89 K1212_DB_TriggerPlay = 1, // starts playback/record on the card.
90 K1212_DB_SelectPlayMode = 2, // select monitor, playback setup, or stop.
91 K1212_DB_ConfigureBufferMemory = 3, // tells card where the host audio buffers are.
92 K1212_DB_RequestAdatTimecode = 4, // asks the card for the latest ADAT timecode value.
93 K1212_DB_SetClockSourceRate = 5, // sets the clock source and rate for the card.
94 K1212_DB_ConfigureMiscMemory = 6, // tells card where other buffers are.
95 K1212_DB_TriggerFromAdat = 7, // tells card to trigger from Adat at a specific
96 // timecode value.
97 K1212_DB_DMAERROR = 0x80, // DMA Error - the PCI bus is congestioned.
98 K1212_DB_CARDSTOPPED = 0x81, // Card has stopped by user request.
99 K1212_DB_RebootCard = 0xA0, // instructs the card to reboot.
100 K1212_DB_BootFromDSPPage4 = 0xA4, // instructs the card to boot from the DSP microcode
101 // on page 4 (local page to card).
102 K1212_DB_DSPDownloadDone = 0xAE, // sent by the card to indicate the download has
103 // completed.
104 K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware.
105 };
106
107
108 // ----------------------------------------------------------------------------
109 // The following enumeration defines return codes
110 // to the Korg 1212 I/O driver.
111 // ----------------------------------------------------------------------------
112 enum snd_korg1212rc {
113 K1212_CMDRET_Success = 0, // command was successfully placed
114 K1212_CMDRET_DIOCFailure, // the DeviceIoControl call failed
115 K1212_CMDRET_PMFailure, // the protected mode call failed
116 K1212_CMDRET_FailUnspecified, // unspecified failure
117 K1212_CMDRET_FailBadState, // the specified command can not be given in
118 // the card's current state. (or the wave device's
119 // state)
120 K1212_CMDRET_CardUninitialized, // the card is uninitialized and cannot be used
121 K1212_CMDRET_BadIndex, // an out of range card index was specified
122 K1212_CMDRET_BadHandle, // an invalid card handle was specified
123 K1212_CMDRET_NoFillRoutine, // a play request has been made before a fill routine set
124 K1212_CMDRET_FillRoutineInUse, // can't set a new fill routine while one is in use
125 K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command
126 K1212_CMDRET_BadParams, // bad parameters were provided by the caller
127
128 K1212_CMDRET_BadDevice, // the specified wave device was out of range
129 K1212_CMDRET_BadFormat // the specified wave format is unsupported
130 };
131
132 // ----------------------------------------------------------------------------
133 // The following enumeration defines the constants used to select the play
134 // mode for the card in the SelectPlayMode command.
135 // ----------------------------------------------------------------------------
136 enum PlayModeSelector {
137 K1212_MODE_SetupPlay = 0x00000001, // provides card with pre-play information
138 K1212_MODE_MonitorOn = 0x00000002, // tells card to turn on monitor mode
139 K1212_MODE_MonitorOff = 0x00000004, // tells card to turn off monitor mode
140 K1212_MODE_StopPlay = 0x00000008 // stops playback on the card
141 };
142
143 // ----------------------------------------------------------------------------
144 // The following enumeration defines the constants used to select the monitor
145 // mode for the card in the SetMonitorMode command.
146 // ----------------------------------------------------------------------------
147 enum MonitorModeSelector {
148 K1212_MONMODE_Off = 0, // tells card to turn off monitor mode
149 K1212_MONMODE_On // tells card to turn on monitor mode
150 };
151
152 #define MAILBOX0_OFFSET 0x40 // location of mailbox 0 relative to base address
153 #define MAILBOX1_OFFSET 0x44 // location of mailbox 1 relative to base address
154 #define MAILBOX2_OFFSET 0x48 // location of mailbox 2 relative to base address
155 #define MAILBOX3_OFFSET 0x4c // location of mailbox 3 relative to base address
156 #define OUT_DOORBELL_OFFSET 0x60 // location of PCI to local doorbell
157 #define IN_DOORBELL_OFFSET 0x64 // location of local to PCI doorbell
158 #define STATUS_REG_OFFSET 0x68 // location of interrupt control/status register
159 #define PCI_CONTROL_OFFSET 0x6c // location of the EEPROM, PCI, User I/O, init control
160 // register
161 #define SENS_CONTROL_OFFSET 0x6e // location of the input sensitivity setting register.
162 // this is the upper word of the PCI control reg.
163 #define DEV_VEND_ID_OFFSET 0x70 // location of the device and vendor ID register
164
165 #define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt
166 // to send a command before giving up.
167 #define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from
168 // the card.
169 #define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte
170
171 #define CARD_BOOT_DELAY_IN_MS 10
172 #define CARD_BOOT_TIMEOUT 10
173 #define DSP_BOOT_DELAY_IN_MS 200
174
175 #define kNumBuffers 8
176 #define k1212MaxCards 4
177 #define k1212NumWaveDevices 6
178 #define k16BitChannels 10
179 #define k32BitChannels 2
180 #define kAudioChannels (k16BitChannels + k32BitChannels)
181 #define kPlayBufferFrames 1024
182
183 #define K1212_ANALOG_CHANNELS 2
184 #define K1212_SPDIF_CHANNELS 2
185 #define K1212_ADAT_CHANNELS 8
186 #define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
187 #define K1212_MIN_CHANNELS 1
188 #define K1212_MAX_CHANNELS K1212_CHANNELS
189 #define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame))
190 #define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers)
191 #define K1212_PERIODS (kNumBuffers)
192 #define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames)
193 #define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers)
194 #define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
195 #define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
196 #define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
197 #define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
198
199 #define k1212MinADCSens 0x7f
200 #define k1212MaxADCSens 0x00
201 #define k1212MaxVolume 0x7fff
202 #define k1212MaxWaveVolume 0xffff
203 #define k1212MinVolume 0x0000
204 #define k1212MaxVolInverted 0x8000
205
206 // -----------------------------------------------------------------
207 // the following bits are used for controlling interrupts in the
208 // interrupt control/status reg
209 // -----------------------------------------------------------------
210 #define PCI_INT_ENABLE_BIT 0x00000100
211 #define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200
212 #define LOCAL_INT_ENABLE_BIT 0x00010000
213 #define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000
214 #define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000
215
216 // -----------------------------------------------------------------
217 // the following bits are defined for the PCI command register
218 // -----------------------------------------------------------------
219 #define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002
220 #define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001
221 #define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004
222
223 // -----------------------------------------------------------------
224 // the following bits are defined for the PCI status register
225 // -----------------------------------------------------------------
226 #define PCI_STAT_PARITY_ERROR_BIT 0x8000
227 #define PCI_STAT_SYSTEM_ERROR_BIT 0x4000
228 #define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000
229 #define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000
230 #define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800
231
232 // ------------------------------------------------------------------------
233 // the following constants are used in setting the 1212 I/O card's input
234 // sensitivity.
235 // ------------------------------------------------------------------------
236 #define SET_SENS_LOCALINIT_BITPOS 15
237 #define SET_SENS_DATA_BITPOS 10
238 #define SET_SENS_CLOCK_BITPOS 8
239 #define SET_SENS_LOADSHIFT_BITPOS 0
240
241 #define SET_SENS_LEFTCHANID 0x00
242 #define SET_SENS_RIGHTCHANID 0x01
243
244 #define K1212SENSUPDATE_DELAY_IN_MS 50
245
246 // --------------------------------------------------------------------------
247 // WaitRTCTicks
248 //
249 // This function waits the specified number of real time clock ticks.
250 // According to the DDK, each tick is ~0.8 microseconds.
251 // The defines following the function declaration can be used for the
252 // numTicksToWait parameter.
253 // --------------------------------------------------------------------------
254 #define ONE_RTC_TICK 1
255 #define SENSCLKPULSE_WIDTH 4
256 #define LOADSHIFT_DELAY 4
257 #define INTERCOMMAND_DELAY 40
258 #define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write
259 // the command register. (could be up to 180 us)
260 #define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
261 // from the card after sending a command.
262
263 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
264 #include "korg1212-firmware.h"
265 static const struct firmware static_dsp_code = {
266 .data = (u8 *)dspCode,
267 .size = sizeof dspCode
268 };
269 #endif
270
271 enum ClockSourceIndex {
272 K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz
273 K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz
274 K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz
275 K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz
276 K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz
277 K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz
278 K1212_CLKIDX_Invalid // used to check validity of the index
279 };
280
281 enum ClockSourceType {
282 K1212_CLKIDX_Adat = 0, // selects source as ADAT
283 K1212_CLKIDX_Word, // selects source as S/PDIF
284 K1212_CLKIDX_Local // selects source as local clock
285 };
286
287 struct KorgAudioFrame {
288 u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
289 u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
290 u32 timeCodeVal; /* holds the ADAT timecode value */
291 };
292
293 struct KorgAudioBuffer {
294 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
295 };
296
297 struct KorgSharedBuffer {
298 #ifdef K1212_LARGEALLOC
299 struct KorgAudioBuffer playDataBufs[kNumBuffers];
300 struct KorgAudioBuffer recordDataBufs[kNumBuffers];
301 #endif
302 short volumeData[kAudioChannels];
303 u32 cardCommand;
304 u16 routeData [kAudioChannels];
305 u32 AdatTimeCode; // ADAT timecode value
306 };
307
308 struct SensBits {
309 union {
310 struct {
311 unsigned int leftChanVal:8;
312 unsigned int leftChanId:8;
313 } v;
314 u16 leftSensBits;
315 } l;
316 union {
317 struct {
318 unsigned int rightChanVal:8;
319 unsigned int rightChanId:8;
320 } v;
321 u16 rightSensBits;
322 } r;
323 };
324
325 struct snd_korg1212 {
326 struct snd_card *card;
327 struct pci_dev *pci;
328 struct snd_pcm *pcm;
329 int irq;
330
331 spinlock_t lock;
332 struct mutex open_mutex;
333
334 struct timer_list timer; /* timer callback for checking ack of stop request */
335 int stop_pending_cnt; /* counter for stop pending check */
336
337 wait_queue_head_t wait;
338
339 unsigned long iomem;
340 unsigned long ioport;
341 unsigned long iomem2;
342 unsigned long irqcount;
343 unsigned long inIRQ;
344 void __iomem *iobase;
345
346 struct snd_dma_buffer dma_dsp;
347 struct snd_dma_buffer dma_play;
348 struct snd_dma_buffer dma_rec;
349 struct snd_dma_buffer dma_shared;
350
351 u32 DataBufsSize;
352
353 struct KorgAudioBuffer * playDataBufsPtr;
354 struct KorgAudioBuffer * recordDataBufsPtr;
355
356 struct KorgSharedBuffer * sharedBufferPtr;
357
358 u32 RecDataPhy;
359 u32 PlayDataPhy;
360 unsigned long sharedBufferPhy;
361 u32 VolumeTablePhy;
362 u32 RoutingTablePhy;
363 u32 AdatTimeCodePhy;
364
365 u32 __iomem * statusRegPtr; // address of the interrupt status/control register
366 u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register
367 u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register
368 u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card
369 u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card
370 u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card
371 u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card
372 u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
373 u16 __iomem * sensRegPtr; // address of the sensitivity setting register
374 u32 __iomem * idRegPtr; // address of the device and vendor ID registers
375
376 size_t periodsize;
377 int channels;
378 int currentBuffer;
379
380 struct snd_pcm_substream *playback_substream;
381 struct snd_pcm_substream *capture_substream;
382
383 pid_t capture_pid;
384 pid_t playback_pid;
385
386 enum CardState cardState;
387 int running;
388 int idleMonitorOn; // indicates whether the card is in idle monitor mode.
389 u32 cmdRetryCount; // tracks how many times we have retried sending to the card.
390
391 enum ClockSourceIndex clkSrcRate; // sample rate and clock source
392
393 enum ClockSourceType clkSource; // clock source
394 int clkRate; // clock rate
395
396 int volumePhase[kAudioChannels];
397
398 u16 leftADCInSens; // ADC left channel input sensitivity
399 u16 rightADCInSens; // ADC right channel input sensitivity
400
401 int opencnt; // Open/Close count
402 int setcnt; // SetupForPlay count
403 int playcnt; // TriggerPlay count
404 int errorcnt; // Error Count
405 unsigned long totalerrorcnt; // Total Error Count
406
407 int dsp_is_loaded;
408 int dsp_stop_is_processed;
409
410 };
411
412 MODULE_DESCRIPTION("korg1212");
413 MODULE_LICENSE("GPL");
414 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
415 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
416 MODULE_FIRMWARE("korg/k1212.dsp");
417 #endif
418
419 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
420 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
421 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
422
423 module_param_array(index, int, NULL, 0444);
424 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
425 module_param_array(id, charp, NULL, 0444);
426 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
427 module_param_array(enable, bool, NULL, 0444);
428 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
429 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
430
431 static struct pci_device_id snd_korg1212_ids[] = {
432 {
433 .vendor = 0x10b5,
434 .device = 0x906d,
435 .subvendor = PCI_ANY_ID,
436 .subdevice = PCI_ANY_ID,
437 },
438 { 0, },
439 };
440
441 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
442
443 static char *stateName[] = {
444 "Non-existent",
445 "Uninitialized",
446 "DSP download in process",
447 "DSP download complete",
448 "Ready",
449 "Open",
450 "Setup for play",
451 "Playing",
452 "Monitor mode on",
453 "Calibrating",
454 "Invalid"
455 };
456
457 static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
458
459 static char *clockSourceName[] = {
460 "ADAT at 44.1 kHz",
461 "ADAT at 48 kHz",
462 "S/PDIF at 44.1 kHz",
463 "S/PDIF at 48 kHz",
464 "local clock at 44.1 kHz",
465 "local clock at 48 kHz"
466 };
467
468 static char *channelName[] = {
469 "ADAT-1",
470 "ADAT-2",
471 "ADAT-3",
472 "ADAT-4",
473 "ADAT-5",
474 "ADAT-6",
475 "ADAT-7",
476 "ADAT-8",
477 "Analog-L",
478 "Analog-R",
479 "SPDIF-L",
480 "SPDIF-R",
481 };
482
483 static u16 ClockSourceSelector[] = {
484 0x8000, // selects source as ADAT at 44.1 kHz
485 0x0000, // selects source as ADAT at 48 kHz
486 0x8001, // selects source as S/PDIF at 44.1 kHz
487 0x0001, // selects source as S/PDIF at 48 kHz
488 0x8002, // selects source as local clock at 44.1 kHz
489 0x0002 // selects source as local clock at 48 kHz
490 };
491
492 union swap_u32 { unsigned char c[4]; u32 i; };
493
494 #ifdef SNDRV_BIG_ENDIAN
495 static u32 LowerWordSwap(u32 swappee)
496 #else
497 static u32 UpperWordSwap(u32 swappee)
498 #endif
499 {
500 union swap_u32 retVal, swapper;
501
502 swapper.i = swappee;
503 retVal.c[2] = swapper.c[3];
504 retVal.c[3] = swapper.c[2];
505 retVal.c[1] = swapper.c[1];
506 retVal.c[0] = swapper.c[0];
507
508 return retVal.i;
509 }
510
511 #ifdef SNDRV_BIG_ENDIAN
512 static u32 UpperWordSwap(u32 swappee)
513 #else
514 static u32 LowerWordSwap(u32 swappee)
515 #endif
516 {
517 union swap_u32 retVal, swapper;
518
519 swapper.i = swappee;
520 retVal.c[2] = swapper.c[2];
521 retVal.c[3] = swapper.c[3];
522 retVal.c[1] = swapper.c[0];
523 retVal.c[0] = swapper.c[1];
524
525 return retVal.i;
526 }
527
528 #define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
529 #define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
530 #define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
531 #define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
532
533 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
534 enum korg1212_dbcnst doorbellVal,
535 u32 mailBox0Val, u32 mailBox1Val,
536 u32 mailBox2Val, u32 mailBox3Val)
537 {
538 u32 retryCount;
539 u16 mailBox3Lo;
540 int rc = K1212_CMDRET_Success;
541
542 if (!korg1212->outDoorbellPtr) {
543 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
544 return K1212_CMDRET_CardUninitialized;
545 }
546
547 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
548 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
549 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
550 writel(mailBox3Val, korg1212->mailbox3Ptr);
551 writel(mailBox2Val, korg1212->mailbox2Ptr);
552 writel(mailBox1Val, korg1212->mailbox1Ptr);
553 writel(mailBox0Val, korg1212->mailbox0Ptr);
554 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
555
556 // --------------------------------------------------------------
557 // the reboot command will not give an acknowledgement.
558 // --------------------------------------------------------------
559 if ( doorbellVal == K1212_DB_RebootCard ||
560 doorbellVal == K1212_DB_BootFromDSPPage4 ||
561 doorbellVal == K1212_DB_StartDSPDownload ) {
562 rc = K1212_CMDRET_Success;
563 break;
564 }
565
566 // --------------------------------------------------------------
567 // See if the card acknowledged the command. Wait a bit, then
568 // read in the low word of mailbox3. If the MSB is set and the
569 // low byte is equal to the doorbell value, then it ack'd.
570 // --------------------------------------------------------------
571 udelay(COMMAND_ACK_DELAY);
572 mailBox3Lo = readl(korg1212->mailbox3Ptr);
573 if (mailBox3Lo & COMMAND_ACK_MASK) {
574 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
575 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
576 rc = K1212_CMDRET_Success;
577 break;
578 }
579 }
580 }
581 korg1212->cmdRetryCount += retryCount;
582
583 if (retryCount >= MAX_COMMAND_RETRIES) {
584 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
585 rc = K1212_CMDRET_NoAckFromCard;
586 }
587
588 return rc;
589 }
590
591 /* spinlock already held */
592 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
593 {
594 if (! korg1212->stop_pending_cnt) {
595 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
596 /* program the timer */
597 korg1212->stop_pending_cnt = HZ;
598 korg1212->timer.expires = jiffies + 1;
599 add_timer(&korg1212->timer);
600 }
601 }
602
603 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
604 {
605 unsigned long flags;
606 spin_lock_irqsave(&korg1212->lock, flags);
607 korg1212->dsp_stop_is_processed = 0;
608 snd_korg1212_SendStop(korg1212);
609 spin_unlock_irqrestore(&korg1212->lock, flags);
610 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
611 }
612
613 /* timer callback for checking the ack of stop request */
614 static void snd_korg1212_timer_func(unsigned long data)
615 {
616 struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
617 unsigned long flags;
618
619 spin_lock_irqsave(&korg1212->lock, flags);
620 if (korg1212->sharedBufferPtr->cardCommand == 0) {
621 /* ack'ed */
622 korg1212->stop_pending_cnt = 0;
623 korg1212->dsp_stop_is_processed = 1;
624 wake_up(&korg1212->wait);
625 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
626 stateName[korg1212->cardState]);
627 } else {
628 if (--korg1212->stop_pending_cnt > 0) {
629 /* reprogram timer */
630 korg1212->timer.expires = jiffies + 1;
631 add_timer(&korg1212->timer);
632 } else {
633 snd_printd("korg1212_timer_func timeout\n");
634 korg1212->sharedBufferPtr->cardCommand = 0;
635 korg1212->dsp_stop_is_processed = 1;
636 wake_up(&korg1212->wait);
637 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
638 stateName[korg1212->cardState]);
639 }
640 }
641 spin_unlock_irqrestore(&korg1212->lock, flags);
642 }
643
644 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
645 {
646 unsigned long flags;
647 int rc;
648
649 udelay(INTERCOMMAND_DELAY);
650 spin_lock_irqsave(&korg1212->lock, flags);
651 korg1212->idleMonitorOn = 1;
652 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
653 K1212_MODE_MonitorOn, 0, 0, 0);
654 spin_unlock_irqrestore(&korg1212->lock, flags);
655 return rc;
656 }
657
658 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
659 {
660 if (korg1212->idleMonitorOn) {
661 snd_korg1212_SendStopAndWait(korg1212);
662 korg1212->idleMonitorOn = 0;
663 }
664 }
665
666 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
667 {
668 korg1212->cardState = csState;
669 }
670
671 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
672 {
673 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
674 stateName[korg1212->cardState], korg1212->opencnt);
675 mutex_lock(&korg1212->open_mutex);
676 if (korg1212->opencnt++ == 0) {
677 snd_korg1212_TurnOffIdleMonitor(korg1212);
678 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
679 }
680
681 mutex_unlock(&korg1212->open_mutex);
682 return 1;
683 }
684
685 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
686 {
687 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
688 stateName[korg1212->cardState], korg1212->opencnt);
689
690 mutex_lock(&korg1212->open_mutex);
691 if (--(korg1212->opencnt)) {
692 mutex_unlock(&korg1212->open_mutex);
693 return 0;
694 }
695
696 if (korg1212->cardState == K1212_STATE_SETUP) {
697 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
698 K1212_MODE_StopPlay, 0, 0, 0);
699 if (rc)
700 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
701 rc, stateName[korg1212->cardState]);
702 if (rc != K1212_CMDRET_Success) {
703 mutex_unlock(&korg1212->open_mutex);
704 return 0;
705 }
706 } else if (korg1212->cardState > K1212_STATE_SETUP) {
707 snd_korg1212_SendStopAndWait(korg1212);
708 }
709
710 if (korg1212->cardState > K1212_STATE_READY) {
711 snd_korg1212_TurnOnIdleMonitor(korg1212);
712 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
713 }
714
715 mutex_unlock(&korg1212->open_mutex);
716 return 0;
717 }
718
719 /* spinlock already held */
720 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
721 {
722 int rc;
723
724 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
725 stateName[korg1212->cardState], korg1212->setcnt);
726
727 if (korg1212->setcnt++)
728 return 0;
729
730 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
731 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
732 K1212_MODE_SetupPlay, 0, 0, 0);
733 if (rc)
734 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
735 rc, stateName[korg1212->cardState]);
736 if (rc != K1212_CMDRET_Success) {
737 return 1;
738 }
739 return 0;
740 }
741
742 /* spinlock already held */
743 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
744 {
745 int rc;
746
747 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
748 stateName[korg1212->cardState], korg1212->playcnt);
749
750 if (korg1212->playcnt++)
751 return 0;
752
753 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
754 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
755 if (rc)
756 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
757 rc, stateName[korg1212->cardState]);
758 if (rc != K1212_CMDRET_Success) {
759 return 1;
760 }
761 return 0;
762 }
763
764 /* spinlock already held */
765 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
766 {
767 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
768 stateName[korg1212->cardState], korg1212->playcnt);
769
770 if (--(korg1212->playcnt))
771 return 0;
772
773 korg1212->setcnt = 0;
774
775 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
776 snd_korg1212_SendStop(korg1212);
777
778 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
779 return 0;
780 }
781
782 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
783 {
784 writel(PCI_INT_ENABLE_BIT |
785 PCI_DOORBELL_INT_ENABLE_BIT |
786 LOCAL_INT_ENABLE_BIT |
787 LOCAL_DOORBELL_INT_ENABLE_BIT |
788 LOCAL_DMA1_INT_ENABLE_BIT,
789 korg1212->statusRegPtr);
790 }
791
792 #if 0 /* not used */
793
794 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
795 enum MonitorModeSelector mode)
796 {
797 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
798 stateName[korg1212->cardState]);
799
800 switch (mode) {
801 case K1212_MONMODE_Off:
802 if (korg1212->cardState != K1212_STATE_MONITOR)
803 return 0;
804 else {
805 snd_korg1212_SendStopAndWait(korg1212);
806 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
807 }
808 break;
809
810 case K1212_MONMODE_On:
811 if (korg1212->cardState != K1212_STATE_OPEN)
812 return 0;
813 else {
814 int rc;
815 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
816 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
817 K1212_MODE_MonitorOn, 0, 0, 0);
818 if (rc != K1212_CMDRET_Success)
819 return 0;
820 }
821 break;
822
823 default:
824 return 0;
825 }
826
827 return 1;
828 }
829
830 #endif /* not used */
831
832 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
833 {
834 if (korg1212->playback_pid != korg1212->capture_pid &&
835 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
836 return 0;
837
838 return 1;
839 }
840
841 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
842 {
843 static enum ClockSourceIndex s44[] = {
844 K1212_CLKIDX_AdatAt44_1K,
845 K1212_CLKIDX_WordAt44_1K,
846 K1212_CLKIDX_LocalAt44_1K
847 };
848 static enum ClockSourceIndex s48[] = {
849 K1212_CLKIDX_AdatAt48K,
850 K1212_CLKIDX_WordAt48K,
851 K1212_CLKIDX_LocalAt48K
852 };
853 int parm, rc;
854
855 if (!snd_korg1212_use_is_exclusive (korg1212))
856 return -EBUSY;
857
858 switch (rate) {
859 case 44100:
860 parm = s44[korg1212->clkSource];
861 break;
862
863 case 48000:
864 parm = s48[korg1212->clkSource];
865 break;
866
867 default:
868 return -EINVAL;
869 }
870
871 korg1212->clkSrcRate = parm;
872 korg1212->clkRate = rate;
873
874 udelay(INTERCOMMAND_DELAY);
875 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
876 ClockSourceSelector[korg1212->clkSrcRate],
877 0, 0, 0);
878 if (rc)
879 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
880 rc, stateName[korg1212->cardState]);
881
882 return 0;
883 }
884
885 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
886 {
887
888 if (source < 0 || source > 2)
889 return -EINVAL;
890
891 korg1212->clkSource = source;
892
893 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
894
895 return 0;
896 }
897
898 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
899 {
900 writel(0, korg1212->statusRegPtr);
901 }
902
903 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
904 {
905 struct SensBits sensVals;
906 int bitPosition;
907 int channel;
908 int clkIs48K;
909 int monModeSet;
910 u16 controlValue; // this keeps the current value to be written to
911 // the card's eeprom control register.
912 u16 count;
913 unsigned long flags;
914
915 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
916 stateName[korg1212->cardState]);
917
918 // ----------------------------------------------------------------------------
919 // initialize things. The local init bit is always set when writing to the
920 // card's control register.
921 // ----------------------------------------------------------------------------
922 controlValue = 0;
923 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
924
925 // ----------------------------------------------------------------------------
926 // make sure the card is not in monitor mode when we do this update.
927 // ----------------------------------------------------------------------------
928 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
929 monModeSet = 1;
930 snd_korg1212_SendStopAndWait(korg1212);
931 } else
932 monModeSet = 0;
933
934 spin_lock_irqsave(&korg1212->lock, flags);
935
936 // ----------------------------------------------------------------------------
937 // we are about to send new values to the card, so clear the new values queued
938 // flag. Also, clear out mailbox 3, so we don't lockup.
939 // ----------------------------------------------------------------------------
940 writel(0, korg1212->mailbox3Ptr);
941 udelay(LOADSHIFT_DELAY);
942
943 // ----------------------------------------------------------------------------
944 // determine whether we are running a 48K or 44.1K clock. This info is used
945 // later when setting the SPDIF FF after the volume has been shifted in.
946 // ----------------------------------------------------------------------------
947 switch (korg1212->clkSrcRate) {
948 case K1212_CLKIDX_AdatAt44_1K:
949 case K1212_CLKIDX_WordAt44_1K:
950 case K1212_CLKIDX_LocalAt44_1K:
951 clkIs48K = 0;
952 break;
953
954 case K1212_CLKIDX_WordAt48K:
955 case K1212_CLKIDX_AdatAt48K:
956 case K1212_CLKIDX_LocalAt48K:
957 default:
958 clkIs48K = 1;
959 break;
960 }
961
962 // ----------------------------------------------------------------------------
963 // start the update. Setup the bit structure and then shift the bits.
964 // ----------------------------------------------------------------------------
965 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
966 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
967 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
968 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
969
970 // ----------------------------------------------------------------------------
971 // now start shifting the bits in. Start with the left channel then the right.
972 // ----------------------------------------------------------------------------
973 for (channel = 0; channel < 2; channel++) {
974
975 // ----------------------------------------------------------------------------
976 // Bring the load/shift line low, then wait - the spec says >150ns from load/
977 // shift low to the first rising edge of the clock.
978 // ----------------------------------------------------------------------------
979 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
980 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
981 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
982 udelay(LOADSHIFT_DELAY);
983
984 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
985 if (channel == 0) {
986 if (sensVals.l.leftSensBits & (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 } else {
991 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
992 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
993 else
994 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
995 }
996
997 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
998 writew(controlValue, korg1212->sensRegPtr); // clock goes low
999 udelay(SENSCLKPULSE_WIDTH);
1000 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1001 writew(controlValue, korg1212->sensRegPtr); // clock goes high
1002 udelay(SENSCLKPULSE_WIDTH);
1003 }
1004
1005 // ----------------------------------------------------------------------------
1006 // finish up SPDIF for left. Bring the load/shift line high, then write a one
1007 // bit if the clock rate is 48K otherwise write 0.
1008 // ----------------------------------------------------------------------------
1009 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1010 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
1012 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
1013 udelay(SENSCLKPULSE_WIDTH);
1014
1015 if (clkIs48K)
1016 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1017
1018 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
1019 udelay(ONE_RTC_TICK);
1020 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1021 writew(controlValue, korg1212->sensRegPtr); // clock goes high
1022 udelay(SENSCLKPULSE_WIDTH);
1023 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1024 writew(controlValue, korg1212->sensRegPtr); // clock goes low
1025 udelay(SENSCLKPULSE_WIDTH);
1026 }
1027
1028 // ----------------------------------------------------------------------------
1029 // The update is complete. Set a timeout. This is the inter-update delay.
1030 // Also, if the card was in monitor mode, restore it.
1031 // ----------------------------------------------------------------------------
1032 for (count = 0; count < 10; count++)
1033 udelay(SENSCLKPULSE_WIDTH);
1034
1035 if (monModeSet) {
1036 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1037 K1212_MODE_MonitorOn, 0, 0, 0);
1038 if (rc)
1039 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1040 rc, stateName[korg1212->cardState]);
1041 }
1042
1043 spin_unlock_irqrestore(&korg1212->lock, flags);
1044
1045 return 1;
1046 }
1047
1048 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1049 {
1050 int channel, rc;
1051
1052 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1053 stateName[korg1212->cardState]);
1054
1055 // ----------------------------------------------------
1056 // tell the card to boot
1057 // ----------------------------------------------------
1058 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1059
1060 if (rc)
1061 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1062 rc, stateName[korg1212->cardState]);
1063 msleep(DSP_BOOT_DELAY_IN_MS);
1064
1065 // --------------------------------------------------------------------------------
1066 // Let the card know where all the buffers are.
1067 // --------------------------------------------------------------------------------
1068 rc = snd_korg1212_Send1212Command(korg1212,
1069 K1212_DB_ConfigureBufferMemory,
1070 LowerWordSwap(korg1212->PlayDataPhy),
1071 LowerWordSwap(korg1212->RecDataPhy),
1072 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1073 // is based on 2 buffers
1074 0
1075 );
1076
1077 if (rc)
1078 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1079 rc, stateName[korg1212->cardState]);
1080
1081 udelay(INTERCOMMAND_DELAY);
1082
1083 rc = snd_korg1212_Send1212Command(korg1212,
1084 K1212_DB_ConfigureMiscMemory,
1085 LowerWordSwap(korg1212->VolumeTablePhy),
1086 LowerWordSwap(korg1212->RoutingTablePhy),
1087 LowerWordSwap(korg1212->AdatTimeCodePhy),
1088 0
1089 );
1090
1091 if (rc)
1092 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1093 rc, stateName[korg1212->cardState]);
1094
1095 // --------------------------------------------------------------------------------
1096 // Initialize the routing and volume tables, then update the card's state.
1097 // --------------------------------------------------------------------------------
1098 udelay(INTERCOMMAND_DELAY);
1099
1100 for (channel = 0; channel < kAudioChannels; channel++) {
1101 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1102 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1103 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1104 }
1105
1106 snd_korg1212_WriteADCSensitivity(korg1212);
1107
1108 udelay(INTERCOMMAND_DELAY);
1109 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1110 ClockSourceSelector[korg1212->clkSrcRate],
1111 0, 0, 0);
1112 if (rc)
1113 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1114 rc, stateName[korg1212->cardState]);
1115
1116 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1117 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1118
1119 if (rc)
1120 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1121 rc, stateName[korg1212->cardState]);
1122
1123 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1124 }
1125
1126 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1127 {
1128 u32 doorbellValue;
1129 struct snd_korg1212 *korg1212 = dev_id;
1130
1131 doorbellValue = readl(korg1212->inDoorbellPtr);
1132
1133 if (!doorbellValue)
1134 return IRQ_NONE;
1135
1136 spin_lock(&korg1212->lock);
1137
1138 writel(doorbellValue, korg1212->inDoorbellPtr);
1139
1140 korg1212->irqcount++;
1141
1142 korg1212->inIRQ++;
1143
1144 switch (doorbellValue) {
1145 case K1212_DB_DSPDownloadDone:
1146 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1147 korg1212->irqcount, doorbellValue,
1148 stateName[korg1212->cardState]);
1149 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1150 korg1212->dsp_is_loaded = 1;
1151 wake_up(&korg1212->wait);
1152 }
1153 break;
1154
1155 // ------------------------------------------------------------------------
1156 // an error occurred - stop the card
1157 // ------------------------------------------------------------------------
1158 case K1212_DB_DMAERROR:
1159 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1160 korg1212->irqcount, doorbellValue,
1161 stateName[korg1212->cardState]);
1162 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1163 korg1212->errorcnt++;
1164 korg1212->totalerrorcnt++;
1165 korg1212->sharedBufferPtr->cardCommand = 0;
1166 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1167 break;
1168
1169 // ------------------------------------------------------------------------
1170 // the card has stopped by our request. Clear the command word and signal
1171 // the semaphore in case someone is waiting for this.
1172 // ------------------------------------------------------------------------
1173 case K1212_DB_CARDSTOPPED:
1174 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1175 korg1212->irqcount, doorbellValue,
1176 stateName[korg1212->cardState]);
1177 korg1212->sharedBufferPtr->cardCommand = 0;
1178 break;
1179
1180 default:
1181 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1182 korg1212->irqcount, doorbellValue,
1183 korg1212->currentBuffer, stateName[korg1212->cardState]);
1184 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1185 korg1212->currentBuffer++;
1186
1187 if (korg1212->currentBuffer >= kNumBuffers)
1188 korg1212->currentBuffer = 0;
1189
1190 if (!korg1212->running)
1191 break;
1192
1193 if (korg1212->capture_substream) {
1194 spin_unlock(&korg1212->lock);
1195 snd_pcm_period_elapsed(korg1212->capture_substream);
1196 spin_lock(&korg1212->lock);
1197 }
1198
1199 if (korg1212->playback_substream) {
1200 spin_unlock(&korg1212->lock);
1201 snd_pcm_period_elapsed(korg1212->playback_substream);
1202 spin_lock(&korg1212->lock);
1203 }
1204 }
1205 break;
1206 }
1207
1208 korg1212->inIRQ--;
1209
1210 spin_unlock(&korg1212->lock);
1211
1212 return IRQ_HANDLED;
1213 }
1214
1215 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1216 {
1217 int rc;
1218
1219 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1220 stateName[korg1212->cardState]);
1221
1222 // ---------------------------------------------------------------
1223 // verify the state of the card before proceeding.
1224 // ---------------------------------------------------------------
1225 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1226 return 1;
1227
1228 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1229
1230 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1231 UpperWordSwap(korg1212->dma_dsp.addr),
1232 0, 0, 0);
1233 if (rc)
1234 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1235 rc, stateName[korg1212->cardState]);
1236
1237 korg1212->dsp_is_loaded = 0;
1238 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1239 if (! korg1212->dsp_is_loaded )
1240 return -EBUSY; /* timeout */
1241
1242 snd_korg1212_OnDSPDownloadComplete(korg1212);
1243
1244 return 0;
1245 }
1246
1247 static struct snd_pcm_hardware snd_korg1212_playback_info =
1248 {
1249 .info = (SNDRV_PCM_INFO_MMAP |
1250 SNDRV_PCM_INFO_MMAP_VALID |
1251 SNDRV_PCM_INFO_INTERLEAVED),
1252 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1253 .rates = (SNDRV_PCM_RATE_44100 |
1254 SNDRV_PCM_RATE_48000),
1255 .rate_min = 44100,
1256 .rate_max = 48000,
1257 .channels_min = K1212_MIN_CHANNELS,
1258 .channels_max = K1212_MAX_CHANNELS,
1259 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1260 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1261 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1262 .periods_min = K1212_PERIODS,
1263 .periods_max = K1212_PERIODS,
1264 .fifo_size = 0,
1265 };
1266
1267 static struct snd_pcm_hardware snd_korg1212_capture_info =
1268 {
1269 .info = (SNDRV_PCM_INFO_MMAP |
1270 SNDRV_PCM_INFO_MMAP_VALID |
1271 SNDRV_PCM_INFO_INTERLEAVED),
1272 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1273 .rates = (SNDRV_PCM_RATE_44100 |
1274 SNDRV_PCM_RATE_48000),
1275 .rate_min = 44100,
1276 .rate_max = 48000,
1277 .channels_min = K1212_MIN_CHANNELS,
1278 .channels_max = K1212_MAX_CHANNELS,
1279 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1280 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1281 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1282 .periods_min = K1212_PERIODS,
1283 .periods_max = K1212_PERIODS,
1284 .fifo_size = 0,
1285 };
1286
1287 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1288 {
1289 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1290 int i;
1291
1292 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1293 pos, offset, size, count);
1294 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1295
1296 for (i=0; i < count; i++) {
1297 #if K1212_DEBUG_LEVEL > 0
1298 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1299 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1300 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1301 dst, i);
1302 return -EFAULT;
1303 }
1304 #endif
1305 memset((void*) dst + offset, 0, size);
1306 dst++;
1307 }
1308
1309 return 0;
1310 }
1311
1312 static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
1313 {
1314 struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1315 int i, rc;
1316
1317 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
1318 pos, offset, size);
1319 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1320
1321 for (i=0; i < count; i++) {
1322 #if K1212_DEBUG_LEVEL > 0
1323 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1324 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1325 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1326 return -EFAULT;
1327 }
1328 #endif
1329 rc = copy_to_user(dst + offset, src, size);
1330 if (rc) {
1331 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1332 return -EFAULT;
1333 }
1334 src++;
1335 dst += size;
1336 }
1337
1338 return 0;
1339 }
1340
1341 static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
1342 {
1343 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1344 int i, rc;
1345
1346 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
1347 pos, offset, size, count);
1348
1349 snd_assert(pos + count <= K1212_MAX_SAMPLES, return -EINVAL);
1350
1351 for (i=0; i < count; i++) {
1352 #if K1212_DEBUG_LEVEL > 0
1353 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1354 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1355 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1356 return -EFAULT;
1357 }
1358 #endif
1359 rc = copy_from_user((void*) dst + offset, src, size);
1360 if (rc) {
1361 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
1362 return -EFAULT;
1363 }
1364 dst++;
1365 src += size;
1366 }
1367
1368 return 0;
1369 }
1370
1371 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1372 {
1373 struct snd_korg1212 *korg1212 = pcm->private_data;
1374
1375 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1376 stateName[korg1212->cardState]);
1377
1378 korg1212->pcm = NULL;
1379 }
1380
1381 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1382 {
1383 unsigned long flags;
1384 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1385 struct snd_pcm_runtime *runtime = substream->runtime;
1386
1387 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1388 stateName[korg1212->cardState]);
1389
1390 snd_korg1212_OpenCard(korg1212);
1391
1392 runtime->hw = snd_korg1212_playback_info;
1393 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1394
1395 spin_lock_irqsave(&korg1212->lock, flags);
1396
1397 korg1212->playback_substream = substream;
1398 korg1212->playback_pid = current->pid;
1399 korg1212->periodsize = K1212_PERIODS;
1400 korg1212->channels = K1212_CHANNELS;
1401 korg1212->errorcnt = 0;
1402
1403 spin_unlock_irqrestore(&korg1212->lock, flags);
1404
1405 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
1406 return 0;
1407 }
1408
1409
1410 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1411 {
1412 unsigned long flags;
1413 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1414 struct snd_pcm_runtime *runtime = substream->runtime;
1415
1416 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1417 stateName[korg1212->cardState]);
1418
1419 snd_korg1212_OpenCard(korg1212);
1420
1421 runtime->hw = snd_korg1212_capture_info;
1422 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1423
1424 spin_lock_irqsave(&korg1212->lock, flags);
1425
1426 korg1212->capture_substream = substream;
1427 korg1212->capture_pid = current->pid;
1428 korg1212->periodsize = K1212_PERIODS;
1429 korg1212->channels = K1212_CHANNELS;
1430
1431 spin_unlock_irqrestore(&korg1212->lock, flags);
1432
1433 snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1434 kPlayBufferFrames, kPlayBufferFrames);
1435 return 0;
1436 }
1437
1438 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1439 {
1440 unsigned long flags;
1441 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1442
1443 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1444 stateName[korg1212->cardState]);
1445
1446 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1447
1448 spin_lock_irqsave(&korg1212->lock, flags);
1449
1450 korg1212->playback_pid = -1;
1451 korg1212->playback_substream = NULL;
1452 korg1212->periodsize = 0;
1453
1454 spin_unlock_irqrestore(&korg1212->lock, flags);
1455
1456 snd_korg1212_CloseCard(korg1212);
1457 return 0;
1458 }
1459
1460 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1461 {
1462 unsigned long flags;
1463 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1464
1465 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1466 stateName[korg1212->cardState]);
1467
1468 spin_lock_irqsave(&korg1212->lock, flags);
1469
1470 korg1212->capture_pid = -1;
1471 korg1212->capture_substream = NULL;
1472 korg1212->periodsize = 0;
1473
1474 spin_unlock_irqrestore(&korg1212->lock, flags);
1475
1476 snd_korg1212_CloseCard(korg1212);
1477 return 0;
1478 }
1479
1480 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1481 unsigned int cmd, void *arg)
1482 {
1483 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1484
1485 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1486 struct snd_pcm_channel_info *info = arg;
1487 info->offset = 0;
1488 info->first = info->channel * 16;
1489 info->step = 256;
1490 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1491 return 0;
1492 }
1493
1494 return snd_pcm_lib_ioctl(substream, cmd, arg);
1495 }
1496
1497 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1498 struct snd_pcm_hw_params *params)
1499 {
1500 unsigned long flags;
1501 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1502 int err;
1503 pid_t this_pid;
1504 pid_t other_pid;
1505
1506 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1507 stateName[korg1212->cardState]);
1508
1509 spin_lock_irqsave(&korg1212->lock, flags);
1510
1511 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1512 this_pid = korg1212->playback_pid;
1513 other_pid = korg1212->capture_pid;
1514 } else {
1515 this_pid = korg1212->capture_pid;
1516 other_pid = korg1212->playback_pid;
1517 }
1518
1519 if ((other_pid > 0) && (this_pid != other_pid)) {
1520
1521 /* The other stream is open, and not by the same
1522 task as this one. Make sure that the parameters
1523 that matter are the same.
1524 */
1525
1526 if ((int)params_rate(params) != korg1212->clkRate) {
1527 spin_unlock_irqrestore(&korg1212->lock, flags);
1528 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1529 return -EBUSY;
1530 }
1531
1532 spin_unlock_irqrestore(&korg1212->lock, flags);
1533 return 0;
1534 }
1535
1536 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1537 spin_unlock_irqrestore(&korg1212->lock, flags);
1538 return err;
1539 }
1540
1541 korg1212->channels = params_channels(params);
1542 korg1212->periodsize = K1212_PERIOD_BYTES;
1543
1544 spin_unlock_irqrestore(&korg1212->lock, flags);
1545
1546 return 0;
1547 }
1548
1549 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1550 {
1551 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1552 int rc;
1553
1554 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1555 stateName[korg1212->cardState]);
1556
1557 spin_lock_irq(&korg1212->lock);
1558
1559 /* FIXME: we should wait for ack! */
1560 if (korg1212->stop_pending_cnt > 0) {
1561 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1562 stateName[korg1212->cardState]);
1563 spin_unlock_irq(&korg1212->lock);
1564 return -EAGAIN;
1565 /*
1566 korg1212->sharedBufferPtr->cardCommand = 0;
1567 del_timer(&korg1212->timer);
1568 korg1212->stop_pending_cnt = 0;
1569 */
1570 }
1571
1572 rc = snd_korg1212_SetupForPlay(korg1212);
1573
1574 korg1212->currentBuffer = 0;
1575
1576 spin_unlock_irq(&korg1212->lock);
1577
1578 return rc ? -EINVAL : 0;
1579 }
1580
1581 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1582 int cmd)
1583 {
1584 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1585 int rc;
1586
1587 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1588 stateName[korg1212->cardState], cmd);
1589
1590 spin_lock(&korg1212->lock);
1591 switch (cmd) {
1592 case SNDRV_PCM_TRIGGER_START:
1593 /*
1594 if (korg1212->running) {
1595 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1596 break;
1597 }
1598 */
1599 korg1212->running++;
1600 rc = snd_korg1212_TriggerPlay(korg1212);
1601 break;
1602
1603 case SNDRV_PCM_TRIGGER_STOP:
1604 /*
1605 if (!korg1212->running) {
1606 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1607 break;
1608 }
1609 */
1610 korg1212->running--;
1611 rc = snd_korg1212_StopPlay(korg1212);
1612 break;
1613
1614 default:
1615 rc = 1;
1616 break;
1617 }
1618 spin_unlock(&korg1212->lock);
1619 return rc ? -EINVAL : 0;
1620 }
1621
1622 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1623 {
1624 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1625 snd_pcm_uframes_t pos;
1626
1627 pos = korg1212->currentBuffer * kPlayBufferFrames;
1628
1629 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1630 stateName[korg1212->cardState], pos);
1631
1632 return pos;
1633 }
1634
1635 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1636 {
1637 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1638 snd_pcm_uframes_t pos;
1639
1640 pos = korg1212->currentBuffer * kPlayBufferFrames;
1641
1642 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1643 stateName[korg1212->cardState], pos);
1644
1645 return pos;
1646 }
1647
1648 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1649 int channel, /* not used (interleaved data) */
1650 snd_pcm_uframes_t pos,
1651 void __user *src,
1652 snd_pcm_uframes_t count)
1653 {
1654 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1655
1656 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
1657 stateName[korg1212->cardState], pos, count);
1658
1659 return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
1660
1661 }
1662
1663 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1664 int channel, /* not used (interleaved data) */
1665 snd_pcm_uframes_t pos,
1666 snd_pcm_uframes_t count)
1667 {
1668 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1669
1670 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
1671 stateName[korg1212->cardState]);
1672
1673 return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
1674 }
1675
1676 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1677 int channel, /* not used (interleaved data) */
1678 snd_pcm_uframes_t pos,
1679 void __user *dst,
1680 snd_pcm_uframes_t count)
1681 {
1682 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1683
1684 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
1685 stateName[korg1212->cardState], pos, count);
1686
1687 return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
1688 }
1689
1690 static struct snd_pcm_ops snd_korg1212_playback_ops = {
1691 .open = snd_korg1212_playback_open,
1692 .close = snd_korg1212_playback_close,
1693 .ioctl = snd_korg1212_ioctl,
1694 .hw_params = snd_korg1212_hw_params,
1695 .prepare = snd_korg1212_prepare,
1696 .trigger = snd_korg1212_trigger,
1697 .pointer = snd_korg1212_playback_pointer,
1698 .copy = snd_korg1212_playback_copy,
1699 .silence = snd_korg1212_playback_silence,
1700 };
1701
1702 static struct snd_pcm_ops snd_korg1212_capture_ops = {
1703 .open = snd_korg1212_capture_open,
1704 .close = snd_korg1212_capture_close,
1705 .ioctl = snd_korg1212_ioctl,
1706 .hw_params = snd_korg1212_hw_params,
1707 .prepare = snd_korg1212_prepare,
1708 .trigger = snd_korg1212_trigger,
1709 .pointer = snd_korg1212_capture_pointer,
1710 .copy = snd_korg1212_capture_copy,
1711 };
1712
1713 /*
1714 * Control Interface
1715 */
1716
1717 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1718 struct snd_ctl_elem_info *uinfo)
1719 {
1720 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1721 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1722 return 0;
1723 }
1724
1725 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1726 struct snd_ctl_elem_value *u)
1727 {
1728 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1729 int i = kcontrol->private_value;
1730
1731 spin_lock_irq(&korg1212->lock);
1732
1733 u->value.integer.value[0] = korg1212->volumePhase[i];
1734
1735 if (i >= 8)
1736 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1737
1738 spin_unlock_irq(&korg1212->lock);
1739
1740 return 0;
1741 }
1742
1743 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1744 struct snd_ctl_elem_value *u)
1745 {
1746 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1747 int change = 0;
1748 int i, val;
1749
1750 spin_lock_irq(&korg1212->lock);
1751
1752 i = kcontrol->private_value;
1753
1754 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1755
1756 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1757
1758 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1759 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1760 korg1212->sharedBufferPtr->volumeData[i] = val;
1761 change = 1;
1762 }
1763
1764 if (i >= 8) {
1765 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1766
1767 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1768
1769 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1770 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1771 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1772 change = 1;
1773 }
1774 }
1775
1776 spin_unlock_irq(&korg1212->lock);
1777
1778 return change;
1779 }
1780
1781 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1782 struct snd_ctl_elem_info *uinfo)
1783 {
1784 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1785 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1786 uinfo->value.integer.min = k1212MinVolume;
1787 uinfo->value.integer.max = k1212MaxVolume;
1788 return 0;
1789 }
1790
1791 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1792 struct snd_ctl_elem_value *u)
1793 {
1794 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1795 int i;
1796
1797 spin_lock_irq(&korg1212->lock);
1798
1799 i = kcontrol->private_value;
1800 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1801
1802 if (i >= 8)
1803 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1804
1805 spin_unlock_irq(&korg1212->lock);
1806
1807 return 0;
1808 }
1809
1810 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1811 struct snd_ctl_elem_value *u)
1812 {
1813 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1814 int change = 0;
1815 int i;
1816 int val;
1817
1818 spin_lock_irq(&korg1212->lock);
1819
1820 i = kcontrol->private_value;
1821
1822 if (u->value.integer.value[0] >= k1212MinVolume &&
1823 u->value.integer.value[0] >= k1212MaxVolume &&
1824 u->value.integer.value[0] !=
1825 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1826 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1827 val *= u->value.integer.value[0];
1828 korg1212->sharedBufferPtr->volumeData[i] = val;
1829 change = 1;
1830 }
1831
1832 if (i >= 8) {
1833 if (u->value.integer.value[1] >= k1212MinVolume &&
1834 u->value.integer.value[1] >= k1212MaxVolume &&
1835 u->value.integer.value[1] !=
1836 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1837 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1838 val *= u->value.integer.value[1];
1839 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1840 change = 1;
1841 }
1842 }
1843
1844 spin_unlock_irq(&korg1212->lock);
1845
1846 return change;
1847 }
1848
1849 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1850 struct snd_ctl_elem_info *uinfo)
1851 {
1852 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1853 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1854 uinfo->value.enumerated.items = kAudioChannels;
1855 if (uinfo->value.enumerated.item > kAudioChannels-1) {
1856 uinfo->value.enumerated.item = kAudioChannels-1;
1857 }
1858 strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]);
1859 return 0;
1860 }
1861
1862 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1863 struct snd_ctl_elem_value *u)
1864 {
1865 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1866 int i;
1867
1868 spin_lock_irq(&korg1212->lock);
1869
1870 i = kcontrol->private_value;
1871 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1872
1873 if (i >= 8)
1874 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1875
1876 spin_unlock_irq(&korg1212->lock);
1877
1878 return 0;
1879 }
1880
1881 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1882 struct snd_ctl_elem_value *u)
1883 {
1884 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1885 int change = 0, i;
1886
1887 spin_lock_irq(&korg1212->lock);
1888
1889 i = kcontrol->private_value;
1890
1891 if (u->value.enumerated.item[0] < kAudioChannels &&
1892 u->value.enumerated.item[0] !=
1893 (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1894 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1895 change = 1;
1896 }
1897
1898 if (i >= 8) {
1899 if (u->value.enumerated.item[1] < kAudioChannels &&
1900 u->value.enumerated.item[1] !=
1901 (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1902 korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1903 change = 1;
1904 }
1905 }
1906
1907 spin_unlock_irq(&korg1212->lock);
1908
1909 return change;
1910 }
1911
1912 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1913 struct snd_ctl_elem_info *uinfo)
1914 {
1915 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1916 uinfo->count = 2;
1917 uinfo->value.integer.min = k1212MaxADCSens;
1918 uinfo->value.integer.max = k1212MinADCSens;
1919 return 0;
1920 }
1921
1922 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1923 struct snd_ctl_elem_value *u)
1924 {
1925 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1926
1927 spin_lock_irq(&korg1212->lock);
1928
1929 u->value.integer.value[0] = korg1212->leftADCInSens;
1930 u->value.integer.value[1] = korg1212->rightADCInSens;
1931
1932 spin_unlock_irq(&korg1212->lock);
1933
1934 return 0;
1935 }
1936
1937 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1938 struct snd_ctl_elem_value *u)
1939 {
1940 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1941 int change = 0;
1942
1943 spin_lock_irq(&korg1212->lock);
1944
1945 if (u->value.integer.value[0] >= k1212MinADCSens &&
1946 u->value.integer.value[0] <= k1212MaxADCSens &&
1947 u->value.integer.value[0] != korg1212->leftADCInSens) {
1948 korg1212->leftADCInSens = u->value.integer.value[0];
1949 change = 1;
1950 }
1951 if (u->value.integer.value[1] >= k1212MinADCSens &&
1952 u->value.integer.value[1] <= k1212MaxADCSens &&
1953 u->value.integer.value[1] != korg1212->rightADCInSens) {
1954 korg1212->rightADCInSens = u->value.integer.value[1];
1955 change = 1;
1956 }
1957
1958 spin_unlock_irq(&korg1212->lock);
1959
1960 if (change)
1961 snd_korg1212_WriteADCSensitivity(korg1212);
1962
1963 return change;
1964 }
1965
1966 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1967 struct snd_ctl_elem_info *uinfo)
1968 {
1969 uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
1970 uinfo->count = 1;
1971 uinfo->value.enumerated.items = 3;
1972 if (uinfo->value.enumerated.item > 2) {
1973 uinfo->value.enumerated.item = 2;
1974 }
1975 strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]);
1976 return 0;
1977 }
1978
1979 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980 struct snd_ctl_elem_value *ucontrol)
1981 {
1982 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1983
1984 spin_lock_irq(&korg1212->lock);
1985
1986 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1987
1988 spin_unlock_irq(&korg1212->lock);
1989 return 0;
1990 }
1991
1992 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993 struct snd_ctl_elem_value *ucontrol)
1994 {
1995 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996 unsigned int val;
1997 int change;
1998
1999 val = ucontrol->value.enumerated.item[0] % 3;
2000 spin_lock_irq(&korg1212->lock);
2001 change = val != korg1212->clkSource;
2002 snd_korg1212_SetClockSource(korg1212, val);
2003 spin_unlock_irq(&korg1212->lock);
2004 return change;
2005 }
2006
2007 #define MON_MIXER(ord,c_name) \
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 Volume", \
2012 .info = snd_korg1212_control_volume_info, \
2013 .get = snd_korg1212_control_volume_get, \
2014 .put = snd_korg1212_control_volume_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 Route", \
2021 .info = snd_korg1212_control_route_info, \
2022 .get = snd_korg1212_control_route_get, \
2023 .put = snd_korg1212_control_route_put, \
2024 .private_value = ord, \
2025 }, \
2026 { \
2027 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \
2028 .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
2029 .name = c_name " Monitor Phase Invert", \
2030 .info = snd_korg1212_control_phase_info, \
2031 .get = snd_korg1212_control_phase_get, \
2032 .put = snd_korg1212_control_phase_put, \
2033 .private_value = ord, \
2034 }
2035
2036 static struct snd_kcontrol_new snd_korg1212_controls[] = {
2037 MON_MIXER(8, "Analog"),
2038 MON_MIXER(10, "SPDIF"),
2039 MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"),
2040 MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"),
2041 {
2042 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2043 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2044 .name = "Sync Source",
2045 .info = snd_korg1212_control_sync_info,
2046 .get = snd_korg1212_control_sync_get,
2047 .put = snd_korg1212_control_sync_put,
2048 },
2049 {
2050 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE,
2051 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
2052 .name = "ADC Attenuation",
2053 .info = snd_korg1212_control_info,
2054 .get = snd_korg1212_control_get,
2055 .put = snd_korg1212_control_put,
2056 }
2057 };
2058
2059 /*
2060 * proc interface
2061 */
2062
2063 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064 struct snd_info_buffer *buffer)
2065 {
2066 int n;
2067 struct snd_korg1212 *korg1212 = entry->private_data;
2068
2069 snd_iprintf(buffer, korg1212->card->longname);
2070 snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1);
2071 snd_iprintf(buffer, "\nGeneral settings\n");
2072 snd_iprintf(buffer, " period size: %Zd bytes\n", K1212_PERIOD_BYTES);
2073 snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] );
2074 snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens );
2075 snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens );
2076 snd_iprintf(buffer, " Volume Info:\n");
2077 for (n=0; n<kAudioChannels; n++)
2078 snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n,
2079 channelName[n],
2080 channelName[korg1212->sharedBufferPtr->routeData[n]],
2081 korg1212->sharedBufferPtr->volumeData[n]);
2082 snd_iprintf(buffer, "\nGeneral status\n");
2083 snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode);
2084 snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]);
2085 snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
2086 snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
2087 snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
2088 snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
2089 }
2090
2091 static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2092 {
2093 struct snd_info_entry *entry;
2094
2095 if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2097 }
2098
2099 static int
2100 snd_korg1212_free(struct snd_korg1212 *korg1212)
2101 {
2102 snd_korg1212_TurnOffIdleMonitor(korg1212);
2103
2104 if (korg1212->irq >= 0) {
2105 snd_korg1212_DisableCardInterrupts(korg1212);
2106 free_irq(korg1212->irq, korg1212);
2107 korg1212->irq = -1;
2108 }
2109
2110 if (korg1212->iobase != NULL) {
2111 iounmap(korg1212->iobase);
2112 korg1212->iobase = NULL;
2113 }
2114
2115 pci_release_regions(korg1212->pci);
2116
2117 // ----------------------------------------------------
2118 // free up memory resources used for the DSP download.
2119 // ----------------------------------------------------
2120 if (korg1212->dma_dsp.area) {
2121 snd_dma_free_pages(&korg1212->dma_dsp);
2122 korg1212->dma_dsp.area = NULL;
2123 }
2124
2125 #ifndef K1212_LARGEALLOC
2126
2127 // ------------------------------------------------------
2128 // free up memory resources used for the Play/Rec Buffers
2129 // ------------------------------------------------------
2130 if (korg1212->dma_play.area) {
2131 snd_dma_free_pages(&korg1212->dma_play);
2132 korg1212->dma_play.area = NULL;
2133 }
2134
2135 if (korg1212->dma_rec.area) {
2136 snd_dma_free_pages(&korg1212->dma_rec);
2137 korg1212->dma_rec.area = NULL;
2138 }
2139
2140 #endif
2141
2142 // ----------------------------------------------------
2143 // free up memory resources used for the Shared Buffers
2144 // ----------------------------------------------------
2145 if (korg1212->dma_shared.area) {
2146 snd_dma_free_pages(&korg1212->dma_shared);
2147 korg1212->dma_shared.area = NULL;
2148 }
2149
2150 pci_disable_device(korg1212->pci);
2151 kfree(korg1212);
2152 return 0;
2153 }
2154
2155 static int snd_korg1212_dev_free(struct snd_device *device)
2156 {
2157 struct snd_korg1212 *korg1212 = device->device_data;
2158 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2159 return snd_korg1212_free(korg1212);
2160 }
2161
2162 static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2163 struct snd_korg1212 ** rchip)
2164
2165 {
2166 int err, rc;
2167 unsigned int i;
2168 unsigned ioport_size, iomem_size, iomem2_size;
2169 struct snd_korg1212 * korg1212;
2170 const struct firmware *dsp_code;
2171
2172 static struct snd_device_ops ops = {
2173 .dev_free = snd_korg1212_dev_free,
2174 };
2175
2176 * rchip = NULL;
2177 if ((err = pci_enable_device(pci)) < 0)
2178 return err;
2179
2180 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2181 if (korg1212 == NULL) {
2182 pci_disable_device(pci);
2183 return -ENOMEM;
2184 }
2185
2186 korg1212->card = card;
2187 korg1212->pci = pci;
2188
2189 init_waitqueue_head(&korg1212->wait);
2190 spin_lock_init(&korg1212->lock);
2191 mutex_init(&korg1212->open_mutex);
2192 init_timer(&korg1212->timer);
2193 korg1212->timer.function = snd_korg1212_timer_func;
2194 korg1212->timer.data = (unsigned long)korg1212;
2195
2196 korg1212->irq = -1;
2197 korg1212->clkSource = K1212_CLKIDX_Local;
2198 korg1212->clkRate = 44100;
2199 korg1212->inIRQ = 0;
2200 korg1212->running = 0;
2201 korg1212->opencnt = 0;
2202 korg1212->playcnt = 0;
2203 korg1212->setcnt = 0;
2204 korg1212->totalerrorcnt = 0;
2205 korg1212->playback_pid = -1;
2206 korg1212->capture_pid = -1;
2207 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2208 korg1212->idleMonitorOn = 0;
2209 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2210 korg1212->leftADCInSens = k1212MaxADCSens;
2211 korg1212->rightADCInSens = k1212MaxADCSens;
2212
2213 for (i=0; i<kAudioChannels; i++)
2214 korg1212->volumePhase[i] = 0;
2215
2216 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2217 kfree(korg1212);
2218 pci_disable_device(pci);
2219 return err;
2220 }
2221
2222 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2223 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2224 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2225
2226 iomem_size = pci_resource_len(korg1212->pci, 0);
2227 ioport_size = pci_resource_len(korg1212->pci, 1);
2228 iomem2_size = pci_resource_len(korg1212->pci, 2);
2229
2230 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2231 " iomem = 0x%lx (%d)\n"
2232 " ioport = 0x%lx (%d)\n"
2233 " iomem = 0x%lx (%d)\n"
2234 " [%s]\n",
2235 korg1212->iomem, iomem_size,
2236 korg1212->ioport, ioport_size,
2237 korg1212->iomem2, iomem2_size,
2238 stateName[korg1212->cardState]);
2239
2240 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2241 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2242 korg1212->iomem + iomem_size - 1);
2243 snd_korg1212_free(korg1212);
2244 return -EBUSY;
2245 }
2246
2247 err = request_irq(pci->irq, snd_korg1212_interrupt,
2248 IRQF_SHARED,
2249 "korg1212", korg1212);
2250
2251 if (err) {
2252 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2253 snd_korg1212_free(korg1212);
2254 return -EBUSY;
2255 }
2256
2257 korg1212->irq = pci->irq;
2258
2259 pci_set_master(korg1212->pci);
2260
2261 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2262 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2263 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2264 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2265 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2266 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2267 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2268 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2269 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2270 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2271
2272 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2273 " Status register = 0x%p\n"
2274 " OutDoorbell = 0x%p\n"
2275 " InDoorbell = 0x%p\n"
2276 " Mailbox0 = 0x%p\n"
2277 " Mailbox1 = 0x%p\n"
2278 " Mailbox2 = 0x%p\n"
2279 " Mailbox3 = 0x%p\n"
2280 " ControlReg = 0x%p\n"
2281 " SensReg = 0x%p\n"
2282 " IDReg = 0x%p\n"
2283 " [%s]\n",
2284 korg1212->statusRegPtr,
2285 korg1212->outDoorbellPtr,
2286 korg1212->inDoorbellPtr,
2287 korg1212->mailbox0Ptr,
2288 korg1212->mailbox1Ptr,
2289 korg1212->mailbox2Ptr,
2290 korg1212->mailbox3Ptr,
2291 korg1212->controlRegPtr,
2292 korg1212->sensRegPtr,
2293 korg1212->idRegPtr,
2294 stateName[korg1212->cardState]);
2295
2296 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2297 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2298 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
2299 snd_korg1212_free(korg1212);
2300 return -ENOMEM;
2301 }
2302 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2303 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2304
2305 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2306
2307 #ifndef K1212_LARGEALLOC
2308
2309 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2310
2311 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2312 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2313 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2314 snd_korg1212_free(korg1212);
2315 return -ENOMEM;
2316 }
2317 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2318 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2319
2320 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2321 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2322
2323 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2324 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2325 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2326 snd_korg1212_free(korg1212);
2327 return -ENOMEM;
2328 }
2329 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2330 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2331
2332 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2333 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2334
2335 #else // K1212_LARGEALLOC
2336
2337 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2338 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2339 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2340 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2341
2342 #endif // K1212_LARGEALLOC
2343
2344 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2345 offsetof(struct KorgSharedBuffer, volumeData);
2346 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2347 offsetof(struct KorgSharedBuffer, routeData);
2348 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2349 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2350
2351 #ifdef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2352 dsp_code = &static_dsp_code;
2353 #else
2354 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2355 if (err < 0) {
2356 release_firmware(dsp_code);
2357 snd_printk(KERN_ERR "firmware not available\n");
2358 snd_korg1212_free(korg1212);
2359 return err;
2360 }
2361 #endif
2362
2363 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2364 dsp_code->size, &korg1212->dma_dsp) < 0) {
2365 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2366 snd_korg1212_free(korg1212);
2367 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2368 release_firmware(dsp_code);
2369 #endif
2370 return -ENOMEM;
2371 }
2372
2373 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2374 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2375 stateName[korg1212->cardState]);
2376
2377 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2378
2379 #ifndef CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL
2380 release_firmware(dsp_code);
2381 #endif
2382
2383 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2384
2385 if (rc)
2386 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2387
2388 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2389 snd_korg1212_free(korg1212);
2390 return err;
2391 }
2392
2393 snd_korg1212_EnableCardInterrupts(korg1212);
2394
2395 mdelay(CARD_BOOT_DELAY_IN_MS);
2396
2397 if (snd_korg1212_downloadDSPCode(korg1212))
2398 return -EBUSY;
2399
2400 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2401 "PlayDataPhy = %08x L[%08x]\n"
2402 "korg1212: RecDataPhy = %08x L[%08x], "
2403 "VolumeTablePhy = %08x L[%08x]\n"
2404 "korg1212: RoutingTablePhy = %08x L[%08x], "
2405 "AdatTimeCodePhy = %08x L[%08x]\n",
2406 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2407 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2408 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2409 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2410 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2411 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2412
2413 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2414 return err;
2415
2416 korg1212->pcm->private_data = korg1212;
2417 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2418 strcpy(korg1212->pcm->name, "korg1212");
2419
2420 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2421
2422 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2423
2424 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2425
2426 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2427 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2428 if (err < 0)
2429 return err;
2430 }
2431
2432 snd_korg1212_proc_init(korg1212);
2433
2434 snd_card_set_dev(card, &pci->dev);
2435
2436 * rchip = korg1212;
2437 return 0;
2438
2439 }
2440
2441 /*
2442 * Card initialisation
2443 */
2444
2445 static int __devinit
2446 snd_korg1212_probe(struct pci_dev *pci,
2447 const struct pci_device_id *pci_id)
2448 {
2449 static int dev;
2450 struct snd_korg1212 *korg1212;
2451 struct snd_card *card;
2452 int err;
2453
2454 if (dev >= SNDRV_CARDS) {
2455 return -ENODEV;
2456 }
2457 if (!enable[dev]) {
2458 dev++;
2459 return -ENOENT;
2460 }
2461 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
2462 if (card == NULL)
2463 return -ENOMEM;
2464
2465 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2466 snd_card_free(card);
2467 return err;
2468 }
2469
2470 strcpy(card->driver, "korg1212");
2471 strcpy(card->shortname, "korg1212");
2472 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2473 korg1212->iomem, korg1212->irq);
2474
2475 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2476
2477 if ((err = snd_card_register(card)) < 0) {
2478 snd_card_free(card);
2479 return err;
2480 }
2481 pci_set_drvdata(pci, card);
2482 dev++;
2483 return 0;
2484 }
2485
2486 static void __devexit snd_korg1212_remove(struct pci_dev *pci)
2487 {
2488 snd_card_free(pci_get_drvdata(pci));
2489 pci_set_drvdata(pci, NULL);
2490 }
2491
2492 static struct pci_driver driver = {
2493 .name = "korg1212",
2494 .id_table = snd_korg1212_ids,
2495 .probe = snd_korg1212_probe,
2496 .remove = __devexit_p(snd_korg1212_remove),
2497 };
2498
2499 static int __init alsa_card_korg1212_init(void)
2500 {
2501 return pci_register_driver(&driver);
2502 }
2503
2504 static void __exit alsa_card_korg1212_exit(void)
2505 {
2506 pci_unregister_driver(&driver);
2507 }
2508
2509 module_init(alsa_card_korg1212_init)
2510 module_exit(alsa_card_korg1212_exit)
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