vmalloc: fix __GFP_HIGHMEM usage for vmalloc_32 on 32b systems
[linux/fpc-iii.git] / sound / pci / korg1212 / korg1212.c
blobc7b007164c991abad63026be35c6948bd44893ab
1 /*
2 * Driver for the Korg 1212 IO PCI card
4 * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
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.
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.
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
22 #include <linux/delay.h>
23 #include <linux/init.h>
24 #include <linux/interrupt.h>
25 #include <linux/pci.h>
26 #include <linux/slab.h>
27 #include <linux/wait.h>
28 #include <linux/module.h>
29 #include <linux/mutex.h>
30 #include <linux/firmware.h>
31 #include <linux/io.h>
33 #include <sound/core.h>
34 #include <sound/info.h>
35 #include <sound/control.h>
36 #include <sound/pcm.h>
37 #include <sound/pcm_params.h>
38 #include <sound/initval.h>
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
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
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
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.
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
127 K1212_CMDRET_BadDevice, // the specified wave device was out of range
128 K1212_CMDRET_BadFormat // the specified wave format is unsupported
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
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
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
164 #define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt
165 // to send a command before giving up.
166 #define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from
167 // the card.
168 #define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte
170 #define CARD_BOOT_DELAY_IN_MS 10
171 #define CARD_BOOT_TIMEOUT 10
172 #define DSP_BOOT_DELAY_IN_MS 200
174 #define kNumBuffers 8
175 #define k1212MaxCards 4
176 #define k1212NumWaveDevices 6
177 #define k16BitChannels 10
178 #define k32BitChannels 2
179 #define kAudioChannels (k16BitChannels + k32BitChannels)
180 #define kPlayBufferFrames 1024
182 #define K1212_ANALOG_CHANNELS 2
183 #define K1212_SPDIF_CHANNELS 2
184 #define K1212_ADAT_CHANNELS 8
185 #define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS)
186 #define K1212_MIN_CHANNELS 1
187 #define K1212_MAX_CHANNELS K1212_CHANNELS
188 #define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame))
189 #define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers)
190 #define K1212_PERIODS (kNumBuffers)
191 #define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames)
192 #define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers)
193 #define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
194 #define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers)
195 #define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers)
196 #define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE)
198 #define k1212MinADCSens 0x00
199 #define k1212MaxADCSens 0x7f
200 #define k1212MaxVolume 0x7fff
201 #define k1212MaxWaveVolume 0xffff
202 #define k1212MinVolume 0x0000
203 #define k1212MaxVolInverted 0x8000
205 // -----------------------------------------------------------------
206 // the following bits are used for controlling interrupts in the
207 // interrupt control/status reg
208 // -----------------------------------------------------------------
209 #define PCI_INT_ENABLE_BIT 0x00000100
210 #define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200
211 #define LOCAL_INT_ENABLE_BIT 0x00010000
212 #define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000
213 #define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000
215 // -----------------------------------------------------------------
216 // the following bits are defined for the PCI command register
217 // -----------------------------------------------------------------
218 #define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002
219 #define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001
220 #define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004
222 // -----------------------------------------------------------------
223 // the following bits are defined for the PCI status register
224 // -----------------------------------------------------------------
225 #define PCI_STAT_PARITY_ERROR_BIT 0x8000
226 #define PCI_STAT_SYSTEM_ERROR_BIT 0x4000
227 #define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000
228 #define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000
229 #define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800
231 // ------------------------------------------------------------------------
232 // the following constants are used in setting the 1212 I/O card's input
233 // sensitivity.
234 // ------------------------------------------------------------------------
235 #define SET_SENS_LOCALINIT_BITPOS 15
236 #define SET_SENS_DATA_BITPOS 10
237 #define SET_SENS_CLOCK_BITPOS 8
238 #define SET_SENS_LOADSHIFT_BITPOS 0
240 #define SET_SENS_LEFTCHANID 0x00
241 #define SET_SENS_RIGHTCHANID 0x01
243 #define K1212SENSUPDATE_DELAY_IN_MS 50
245 // --------------------------------------------------------------------------
246 // WaitRTCTicks
248 // This function waits the specified number of real time clock ticks.
249 // According to the DDK, each tick is ~0.8 microseconds.
250 // The defines following the function declaration can be used for the
251 // numTicksToWait parameter.
252 // --------------------------------------------------------------------------
253 #define ONE_RTC_TICK 1
254 #define SENSCLKPULSE_WIDTH 4
255 #define LOADSHIFT_DELAY 4
256 #define INTERCOMMAND_DELAY 40
257 #define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write
258 // the command register. (could be up to 180 us)
259 #define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement
260 // from the card after sending a command.
262 enum ClockSourceIndex {
263 K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz
264 K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz
265 K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz
266 K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz
267 K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz
268 K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz
269 K1212_CLKIDX_Invalid // used to check validity of the index
272 enum ClockSourceType {
273 K1212_CLKIDX_Adat = 0, // selects source as ADAT
274 K1212_CLKIDX_Word, // selects source as S/PDIF
275 K1212_CLKIDX_Local // selects source as local clock
278 struct KorgAudioFrame {
279 u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */
280 u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */
281 u32 timeCodeVal; /* holds the ADAT timecode value */
284 struct KorgAudioBuffer {
285 struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */
288 struct KorgSharedBuffer {
289 #ifdef K1212_LARGEALLOC
290 struct KorgAudioBuffer playDataBufs[kNumBuffers];
291 struct KorgAudioBuffer recordDataBufs[kNumBuffers];
292 #endif
293 short volumeData[kAudioChannels];
294 u32 cardCommand;
295 u16 routeData [kAudioChannels];
296 u32 AdatTimeCode; // ADAT timecode value
299 struct SensBits {
300 union {
301 struct {
302 unsigned int leftChanVal:8;
303 unsigned int leftChanId:8;
304 } v;
305 u16 leftSensBits;
306 } l;
307 union {
308 struct {
309 unsigned int rightChanVal:8;
310 unsigned int rightChanId:8;
311 } v;
312 u16 rightSensBits;
313 } r;
316 struct snd_korg1212 {
317 struct snd_card *card;
318 struct pci_dev *pci;
319 struct snd_pcm *pcm;
320 int irq;
322 spinlock_t lock;
323 struct mutex open_mutex;
325 struct timer_list timer; /* timer callback for checking ack of stop request */
326 int stop_pending_cnt; /* counter for stop pending check */
328 wait_queue_head_t wait;
330 unsigned long iomem;
331 unsigned long ioport;
332 unsigned long iomem2;
333 unsigned long irqcount;
334 unsigned long inIRQ;
335 void __iomem *iobase;
337 struct snd_dma_buffer dma_dsp;
338 struct snd_dma_buffer dma_play;
339 struct snd_dma_buffer dma_rec;
340 struct snd_dma_buffer dma_shared;
342 u32 DataBufsSize;
344 struct KorgAudioBuffer * playDataBufsPtr;
345 struct KorgAudioBuffer * recordDataBufsPtr;
347 struct KorgSharedBuffer * sharedBufferPtr;
349 u32 RecDataPhy;
350 u32 PlayDataPhy;
351 unsigned long sharedBufferPhy;
352 u32 VolumeTablePhy;
353 u32 RoutingTablePhy;
354 u32 AdatTimeCodePhy;
356 u32 __iomem * statusRegPtr; // address of the interrupt status/control register
357 u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register
358 u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register
359 u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card
360 u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card
361 u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card
362 u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card
363 u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
364 u16 __iomem * sensRegPtr; // address of the sensitivity setting register
365 u32 __iomem * idRegPtr; // address of the device and vendor ID registers
367 size_t periodsize;
368 int channels;
369 int currentBuffer;
371 struct snd_pcm_substream *playback_substream;
372 struct snd_pcm_substream *capture_substream;
374 pid_t capture_pid;
375 pid_t playback_pid;
377 enum CardState cardState;
378 int running;
379 int idleMonitorOn; // indicates whether the card is in idle monitor mode.
380 u32 cmdRetryCount; // tracks how many times we have retried sending to the card.
382 enum ClockSourceIndex clkSrcRate; // sample rate and clock source
384 enum ClockSourceType clkSource; // clock source
385 int clkRate; // clock rate
387 int volumePhase[kAudioChannels];
389 u16 leftADCInSens; // ADC left channel input sensitivity
390 u16 rightADCInSens; // ADC right channel input sensitivity
392 int opencnt; // Open/Close count
393 int setcnt; // SetupForPlay count
394 int playcnt; // TriggerPlay count
395 int errorcnt; // Error Count
396 unsigned long totalerrorcnt; // Total Error Count
398 int dsp_is_loaded;
399 int dsp_stop_is_processed;
403 MODULE_DESCRIPTION("korg1212");
404 MODULE_LICENSE("GPL");
405 MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}");
406 MODULE_FIRMWARE("korg/k1212.dsp");
408 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
409 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
410 static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
412 module_param_array(index, int, NULL, 0444);
413 MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
414 module_param_array(id, charp, NULL, 0444);
415 MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
416 module_param_array(enable, bool, NULL, 0444);
417 MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
418 MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
420 static const struct pci_device_id snd_korg1212_ids[] = {
422 .vendor = 0x10b5,
423 .device = 0x906d,
424 .subvendor = PCI_ANY_ID,
425 .subdevice = PCI_ANY_ID,
427 { 0, },
430 MODULE_DEVICE_TABLE(pci, snd_korg1212_ids);
432 static char *stateName[] = {
433 "Non-existent",
434 "Uninitialized",
435 "DSP download in process",
436 "DSP download complete",
437 "Ready",
438 "Open",
439 "Setup for play",
440 "Playing",
441 "Monitor mode on",
442 "Calibrating",
443 "Invalid"
446 static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" };
448 static const char * const clockSourceName[] = {
449 "ADAT at 44.1 kHz",
450 "ADAT at 48 kHz",
451 "S/PDIF at 44.1 kHz",
452 "S/PDIF at 48 kHz",
453 "local clock at 44.1 kHz",
454 "local clock at 48 kHz"
457 static const char * const channelName[] = {
458 "ADAT-1",
459 "ADAT-2",
460 "ADAT-3",
461 "ADAT-4",
462 "ADAT-5",
463 "ADAT-6",
464 "ADAT-7",
465 "ADAT-8",
466 "Analog-L",
467 "Analog-R",
468 "SPDIF-L",
469 "SPDIF-R",
472 static u16 ClockSourceSelector[] = {
473 0x8000, // selects source as ADAT at 44.1 kHz
474 0x0000, // selects source as ADAT at 48 kHz
475 0x8001, // selects source as S/PDIF at 44.1 kHz
476 0x0001, // selects source as S/PDIF at 48 kHz
477 0x8002, // selects source as local clock at 44.1 kHz
478 0x0002 // selects source as local clock at 48 kHz
481 union swap_u32 { unsigned char c[4]; u32 i; };
483 #ifdef SNDRV_BIG_ENDIAN
484 static u32 LowerWordSwap(u32 swappee)
485 #else
486 static u32 UpperWordSwap(u32 swappee)
487 #endif
489 union swap_u32 retVal, swapper;
491 swapper.i = swappee;
492 retVal.c[2] = swapper.c[3];
493 retVal.c[3] = swapper.c[2];
494 retVal.c[1] = swapper.c[1];
495 retVal.c[0] = swapper.c[0];
497 return retVal.i;
500 #ifdef SNDRV_BIG_ENDIAN
501 static u32 UpperWordSwap(u32 swappee)
502 #else
503 static u32 LowerWordSwap(u32 swappee)
504 #endif
506 union swap_u32 retVal, swapper;
508 swapper.i = swappee;
509 retVal.c[2] = swapper.c[2];
510 retVal.c[3] = swapper.c[3];
511 retVal.c[1] = swapper.c[0];
512 retVal.c[0] = swapper.c[1];
514 return retVal.i;
517 #define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition)
518 #define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition)
519 #define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition)
520 #define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition)
522 static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212,
523 enum korg1212_dbcnst doorbellVal,
524 u32 mailBox0Val, u32 mailBox1Val,
525 u32 mailBox2Val, u32 mailBox3Val)
527 u32 retryCount;
528 u16 mailBox3Lo;
529 int rc = K1212_CMDRET_Success;
531 if (!korg1212->outDoorbellPtr) {
532 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n");
533 return K1212_CMDRET_CardUninitialized;
536 K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n",
537 doorbellVal, mailBox0Val, stateName[korg1212->cardState]);
538 for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) {
539 writel(mailBox3Val, korg1212->mailbox3Ptr);
540 writel(mailBox2Val, korg1212->mailbox2Ptr);
541 writel(mailBox1Val, korg1212->mailbox1Ptr);
542 writel(mailBox0Val, korg1212->mailbox0Ptr);
543 writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card
545 // --------------------------------------------------------------
546 // the reboot command will not give an acknowledgement.
547 // --------------------------------------------------------------
548 if ( doorbellVal == K1212_DB_RebootCard ||
549 doorbellVal == K1212_DB_BootFromDSPPage4 ||
550 doorbellVal == K1212_DB_StartDSPDownload ) {
551 rc = K1212_CMDRET_Success;
552 break;
555 // --------------------------------------------------------------
556 // See if the card acknowledged the command. Wait a bit, then
557 // read in the low word of mailbox3. If the MSB is set and the
558 // low byte is equal to the doorbell value, then it ack'd.
559 // --------------------------------------------------------------
560 udelay(COMMAND_ACK_DELAY);
561 mailBox3Lo = readl(korg1212->mailbox3Ptr);
562 if (mailBox3Lo & COMMAND_ACK_MASK) {
563 if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) {
564 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n");
565 rc = K1212_CMDRET_Success;
566 break;
570 korg1212->cmdRetryCount += retryCount;
572 if (retryCount >= MAX_COMMAND_RETRIES) {
573 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n");
574 rc = K1212_CMDRET_NoAckFromCard;
577 return rc;
580 /* spinlock already held */
581 static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212)
583 if (! korg1212->stop_pending_cnt) {
584 korg1212->sharedBufferPtr->cardCommand = 0xffffffff;
585 /* program the timer */
586 korg1212->stop_pending_cnt = HZ;
587 mod_timer(&korg1212->timer, jiffies + 1);
591 static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212)
593 unsigned long flags;
594 spin_lock_irqsave(&korg1212->lock, flags);
595 korg1212->dsp_stop_is_processed = 0;
596 snd_korg1212_SendStop(korg1212);
597 spin_unlock_irqrestore(&korg1212->lock, flags);
598 wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
601 /* timer callback for checking the ack of stop request */
602 static void snd_korg1212_timer_func(struct timer_list *t)
604 struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer);
605 unsigned long flags;
607 spin_lock_irqsave(&korg1212->lock, flags);
608 if (korg1212->sharedBufferPtr->cardCommand == 0) {
609 /* ack'ed */
610 korg1212->stop_pending_cnt = 0;
611 korg1212->dsp_stop_is_processed = 1;
612 wake_up(&korg1212->wait);
613 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
614 stateName[korg1212->cardState]);
615 } else {
616 if (--korg1212->stop_pending_cnt > 0) {
617 /* reprogram timer */
618 mod_timer(&korg1212->timer, jiffies + 1);
619 } else {
620 snd_printd("korg1212_timer_func timeout\n");
621 korg1212->sharedBufferPtr->cardCommand = 0;
622 korg1212->dsp_stop_is_processed = 1;
623 wake_up(&korg1212->wait);
624 K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n",
625 stateName[korg1212->cardState]);
628 spin_unlock_irqrestore(&korg1212->lock, flags);
631 static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212)
633 unsigned long flags;
634 int rc;
636 udelay(INTERCOMMAND_DELAY);
637 spin_lock_irqsave(&korg1212->lock, flags);
638 korg1212->idleMonitorOn = 1;
639 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
640 K1212_MODE_MonitorOn, 0, 0, 0);
641 spin_unlock_irqrestore(&korg1212->lock, flags);
642 return rc;
645 static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212)
647 if (korg1212->idleMonitorOn) {
648 snd_korg1212_SendStopAndWait(korg1212);
649 korg1212->idleMonitorOn = 0;
653 static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState)
655 korg1212->cardState = csState;
658 static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212)
660 K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n",
661 stateName[korg1212->cardState], korg1212->opencnt);
662 mutex_lock(&korg1212->open_mutex);
663 if (korg1212->opencnt++ == 0) {
664 snd_korg1212_TurnOffIdleMonitor(korg1212);
665 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
668 mutex_unlock(&korg1212->open_mutex);
669 return 1;
672 static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212)
674 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n",
675 stateName[korg1212->cardState], korg1212->opencnt);
677 mutex_lock(&korg1212->open_mutex);
678 if (--(korg1212->opencnt)) {
679 mutex_unlock(&korg1212->open_mutex);
680 return 0;
683 if (korg1212->cardState == K1212_STATE_SETUP) {
684 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
685 K1212_MODE_StopPlay, 0, 0, 0);
686 if (rc)
687 K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n",
688 rc, stateName[korg1212->cardState]);
689 if (rc != K1212_CMDRET_Success) {
690 mutex_unlock(&korg1212->open_mutex);
691 return 0;
693 } else if (korg1212->cardState > K1212_STATE_SETUP) {
694 snd_korg1212_SendStopAndWait(korg1212);
697 if (korg1212->cardState > K1212_STATE_READY) {
698 snd_korg1212_TurnOnIdleMonitor(korg1212);
699 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
702 mutex_unlock(&korg1212->open_mutex);
703 return 0;
706 /* spinlock already held */
707 static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212)
709 int rc;
711 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n",
712 stateName[korg1212->cardState], korg1212->setcnt);
714 if (korg1212->setcnt++)
715 return 0;
717 snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP);
718 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
719 K1212_MODE_SetupPlay, 0, 0, 0);
720 if (rc)
721 K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n",
722 rc, stateName[korg1212->cardState]);
723 if (rc != K1212_CMDRET_Success) {
724 return 1;
726 return 0;
729 /* spinlock already held */
730 static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212)
732 int rc;
734 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n",
735 stateName[korg1212->cardState], korg1212->playcnt);
737 if (korg1212->playcnt++)
738 return 0;
740 snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING);
741 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0);
742 if (rc)
743 K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n",
744 rc, stateName[korg1212->cardState]);
745 if (rc != K1212_CMDRET_Success) {
746 return 1;
748 return 0;
751 /* spinlock already held */
752 static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212)
754 K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n",
755 stateName[korg1212->cardState], korg1212->playcnt);
757 if (--(korg1212->playcnt))
758 return 0;
760 korg1212->setcnt = 0;
762 if (korg1212->cardState != K1212_STATE_ERRORSTOP)
763 snd_korg1212_SendStop(korg1212);
765 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
766 return 0;
769 static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212)
771 writel(PCI_INT_ENABLE_BIT |
772 PCI_DOORBELL_INT_ENABLE_BIT |
773 LOCAL_INT_ENABLE_BIT |
774 LOCAL_DOORBELL_INT_ENABLE_BIT |
775 LOCAL_DMA1_INT_ENABLE_BIT,
776 korg1212->statusRegPtr);
779 #if 0 /* not used */
781 static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212,
782 enum MonitorModeSelector mode)
784 K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n",
785 stateName[korg1212->cardState]);
787 switch (mode) {
788 case K1212_MONMODE_Off:
789 if (korg1212->cardState != K1212_STATE_MONITOR)
790 return 0;
791 else {
792 snd_korg1212_SendStopAndWait(korg1212);
793 snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN);
795 break;
797 case K1212_MONMODE_On:
798 if (korg1212->cardState != K1212_STATE_OPEN)
799 return 0;
800 else {
801 int rc;
802 snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR);
803 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
804 K1212_MODE_MonitorOn, 0, 0, 0);
805 if (rc != K1212_CMDRET_Success)
806 return 0;
808 break;
810 default:
811 return 0;
814 return 1;
817 #endif /* not used */
819 static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212)
821 if (korg1212->playback_pid != korg1212->capture_pid &&
822 korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0)
823 return 0;
825 return 1;
828 static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate)
830 static enum ClockSourceIndex s44[] = {
831 K1212_CLKIDX_AdatAt44_1K,
832 K1212_CLKIDX_WordAt44_1K,
833 K1212_CLKIDX_LocalAt44_1K
835 static enum ClockSourceIndex s48[] = {
836 K1212_CLKIDX_AdatAt48K,
837 K1212_CLKIDX_WordAt48K,
838 K1212_CLKIDX_LocalAt48K
840 int parm, rc;
842 if (!snd_korg1212_use_is_exclusive (korg1212))
843 return -EBUSY;
845 switch (rate) {
846 case 44100:
847 parm = s44[korg1212->clkSource];
848 break;
850 case 48000:
851 parm = s48[korg1212->clkSource];
852 break;
854 default:
855 return -EINVAL;
858 korg1212->clkSrcRate = parm;
859 korg1212->clkRate = rate;
861 udelay(INTERCOMMAND_DELAY);
862 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
863 ClockSourceSelector[korg1212->clkSrcRate],
864 0, 0, 0);
865 if (rc)
866 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
867 rc, stateName[korg1212->cardState]);
869 return 0;
872 static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
875 if (source < 0 || source > 2)
876 return -EINVAL;
878 korg1212->clkSource = source;
880 snd_korg1212_SetRate(korg1212, korg1212->clkRate);
882 return 0;
885 static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
887 writel(0, korg1212->statusRegPtr);
890 static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
892 struct SensBits sensVals;
893 int bitPosition;
894 int channel;
895 int clkIs48K;
896 int monModeSet;
897 u16 controlValue; // this keeps the current value to be written to
898 // the card's eeprom control register.
899 u16 count;
900 unsigned long flags;
902 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
903 stateName[korg1212->cardState]);
905 // ----------------------------------------------------------------------------
906 // initialize things. The local init bit is always set when writing to the
907 // card's control register.
908 // ----------------------------------------------------------------------------
909 controlValue = 0;
910 SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
912 // ----------------------------------------------------------------------------
913 // make sure the card is not in monitor mode when we do this update.
914 // ----------------------------------------------------------------------------
915 if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
916 monModeSet = 1;
917 snd_korg1212_SendStopAndWait(korg1212);
918 } else
919 monModeSet = 0;
921 spin_lock_irqsave(&korg1212->lock, flags);
923 // ----------------------------------------------------------------------------
924 // we are about to send new values to the card, so clear the new values queued
925 // flag. Also, clear out mailbox 3, so we don't lockup.
926 // ----------------------------------------------------------------------------
927 writel(0, korg1212->mailbox3Ptr);
928 udelay(LOADSHIFT_DELAY);
930 // ----------------------------------------------------------------------------
931 // determine whether we are running a 48K or 44.1K clock. This info is used
932 // later when setting the SPDIF FF after the volume has been shifted in.
933 // ----------------------------------------------------------------------------
934 switch (korg1212->clkSrcRate) {
935 case K1212_CLKIDX_AdatAt44_1K:
936 case K1212_CLKIDX_WordAt44_1K:
937 case K1212_CLKIDX_LocalAt44_1K:
938 clkIs48K = 0;
939 break;
941 case K1212_CLKIDX_WordAt48K:
942 case K1212_CLKIDX_AdatAt48K:
943 case K1212_CLKIDX_LocalAt48K:
944 default:
945 clkIs48K = 1;
946 break;
949 // ----------------------------------------------------------------------------
950 // start the update. Setup the bit structure and then shift the bits.
951 // ----------------------------------------------------------------------------
952 sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
953 sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
954 sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
955 sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
957 // ----------------------------------------------------------------------------
958 // now start shifting the bits in. Start with the left channel then the right.
959 // ----------------------------------------------------------------------------
960 for (channel = 0; channel < 2; channel++) {
962 // ----------------------------------------------------------------------------
963 // Bring the load/shift line low, then wait - the spec says >150ns from load/
964 // shift low to the first rising edge of the clock.
965 // ----------------------------------------------------------------------------
966 ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
967 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
968 writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
969 udelay(LOADSHIFT_DELAY);
971 for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
972 if (channel == 0) {
973 if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
974 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
975 else
976 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
977 } else {
978 if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
979 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
980 else
981 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
984 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
985 writew(controlValue, korg1212->sensRegPtr); // clock goes low
986 udelay(SENSCLKPULSE_WIDTH);
987 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
988 writew(controlValue, korg1212->sensRegPtr); // clock goes high
989 udelay(SENSCLKPULSE_WIDTH);
992 // ----------------------------------------------------------------------------
993 // finish up SPDIF for left. Bring the load/shift line high, then write a one
994 // bit if the clock rate is 48K otherwise write 0.
995 // ----------------------------------------------------------------------------
996 ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
997 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
998 SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
999 writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
1000 udelay(SENSCLKPULSE_WIDTH);
1002 if (clkIs48K)
1003 SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
1005 writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
1006 udelay(ONE_RTC_TICK);
1007 SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1008 writew(controlValue, korg1212->sensRegPtr); // clock goes high
1009 udelay(SENSCLKPULSE_WIDTH);
1010 ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
1011 writew(controlValue, korg1212->sensRegPtr); // clock goes low
1012 udelay(SENSCLKPULSE_WIDTH);
1015 // ----------------------------------------------------------------------------
1016 // The update is complete. Set a timeout. This is the inter-update delay.
1017 // Also, if the card was in monitor mode, restore it.
1018 // ----------------------------------------------------------------------------
1019 for (count = 0; count < 10; count++)
1020 udelay(SENSCLKPULSE_WIDTH);
1022 if (monModeSet) {
1023 int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
1024 K1212_MODE_MonitorOn, 0, 0, 0);
1025 if (rc)
1026 K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
1027 rc, stateName[korg1212->cardState]);
1030 spin_unlock_irqrestore(&korg1212->lock, flags);
1032 return 1;
1035 static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
1037 int channel, rc;
1039 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
1040 stateName[korg1212->cardState]);
1042 // ----------------------------------------------------
1043 // tell the card to boot
1044 // ----------------------------------------------------
1045 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
1047 if (rc)
1048 K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
1049 rc, stateName[korg1212->cardState]);
1050 msleep(DSP_BOOT_DELAY_IN_MS);
1052 // --------------------------------------------------------------------------------
1053 // Let the card know where all the buffers are.
1054 // --------------------------------------------------------------------------------
1055 rc = snd_korg1212_Send1212Command(korg1212,
1056 K1212_DB_ConfigureBufferMemory,
1057 LowerWordSwap(korg1212->PlayDataPhy),
1058 LowerWordSwap(korg1212->RecDataPhy),
1059 ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
1060 // is based on 2 buffers
1064 if (rc)
1065 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
1066 rc, stateName[korg1212->cardState]);
1068 udelay(INTERCOMMAND_DELAY);
1070 rc = snd_korg1212_Send1212Command(korg1212,
1071 K1212_DB_ConfigureMiscMemory,
1072 LowerWordSwap(korg1212->VolumeTablePhy),
1073 LowerWordSwap(korg1212->RoutingTablePhy),
1074 LowerWordSwap(korg1212->AdatTimeCodePhy),
1078 if (rc)
1079 K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
1080 rc, stateName[korg1212->cardState]);
1082 // --------------------------------------------------------------------------------
1083 // Initialize the routing and volume tables, then update the card's state.
1084 // --------------------------------------------------------------------------------
1085 udelay(INTERCOMMAND_DELAY);
1087 for (channel = 0; channel < kAudioChannels; channel++) {
1088 korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
1089 //korg1212->sharedBufferPtr->routeData[channel] = channel;
1090 korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
1093 snd_korg1212_WriteADCSensitivity(korg1212);
1095 udelay(INTERCOMMAND_DELAY);
1096 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
1097 ClockSourceSelector[korg1212->clkSrcRate],
1098 0, 0, 0);
1099 if (rc)
1100 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
1101 rc, stateName[korg1212->cardState]);
1103 rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
1104 snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
1106 if (rc)
1107 K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
1108 rc, stateName[korg1212->cardState]);
1110 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
1113 static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
1115 u32 doorbellValue;
1116 struct snd_korg1212 *korg1212 = dev_id;
1118 doorbellValue = readl(korg1212->inDoorbellPtr);
1120 if (!doorbellValue)
1121 return IRQ_NONE;
1123 spin_lock(&korg1212->lock);
1125 writel(doorbellValue, korg1212->inDoorbellPtr);
1127 korg1212->irqcount++;
1129 korg1212->inIRQ++;
1131 switch (doorbellValue) {
1132 case K1212_DB_DSPDownloadDone:
1133 K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
1134 korg1212->irqcount, doorbellValue,
1135 stateName[korg1212->cardState]);
1136 if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
1137 korg1212->dsp_is_loaded = 1;
1138 wake_up(&korg1212->wait);
1140 break;
1142 // ------------------------------------------------------------------------
1143 // an error occurred - stop the card
1144 // ------------------------------------------------------------------------
1145 case K1212_DB_DMAERROR:
1146 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
1147 korg1212->irqcount, doorbellValue,
1148 stateName[korg1212->cardState]);
1149 snd_printk(KERN_ERR "korg1212: DMA Error\n");
1150 korg1212->errorcnt++;
1151 korg1212->totalerrorcnt++;
1152 korg1212->sharedBufferPtr->cardCommand = 0;
1153 snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
1154 break;
1156 // ------------------------------------------------------------------------
1157 // the card has stopped by our request. Clear the command word and signal
1158 // the semaphore in case someone is waiting for this.
1159 // ------------------------------------------------------------------------
1160 case K1212_DB_CARDSTOPPED:
1161 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
1162 korg1212->irqcount, doorbellValue,
1163 stateName[korg1212->cardState]);
1164 korg1212->sharedBufferPtr->cardCommand = 0;
1165 break;
1167 default:
1168 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
1169 korg1212->irqcount, doorbellValue,
1170 korg1212->currentBuffer, stateName[korg1212->cardState]);
1171 if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
1172 korg1212->currentBuffer++;
1174 if (korg1212->currentBuffer >= kNumBuffers)
1175 korg1212->currentBuffer = 0;
1177 if (!korg1212->running)
1178 break;
1180 if (korg1212->capture_substream) {
1181 spin_unlock(&korg1212->lock);
1182 snd_pcm_period_elapsed(korg1212->capture_substream);
1183 spin_lock(&korg1212->lock);
1186 if (korg1212->playback_substream) {
1187 spin_unlock(&korg1212->lock);
1188 snd_pcm_period_elapsed(korg1212->playback_substream);
1189 spin_lock(&korg1212->lock);
1192 break;
1195 korg1212->inIRQ--;
1197 spin_unlock(&korg1212->lock);
1199 return IRQ_HANDLED;
1202 static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
1204 int rc;
1206 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
1207 stateName[korg1212->cardState]);
1209 // ---------------------------------------------------------------
1210 // verify the state of the card before proceeding.
1211 // ---------------------------------------------------------------
1212 if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
1213 return 1;
1215 snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
1217 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
1218 UpperWordSwap(korg1212->dma_dsp.addr),
1219 0, 0, 0);
1220 if (rc)
1221 K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
1222 rc, stateName[korg1212->cardState]);
1224 korg1212->dsp_is_loaded = 0;
1225 wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
1226 if (! korg1212->dsp_is_loaded )
1227 return -EBUSY; /* timeout */
1229 snd_korg1212_OnDSPDownloadComplete(korg1212);
1231 return 0;
1234 static const struct snd_pcm_hardware snd_korg1212_playback_info =
1236 .info = (SNDRV_PCM_INFO_MMAP |
1237 SNDRV_PCM_INFO_MMAP_VALID |
1238 SNDRV_PCM_INFO_INTERLEAVED |
1239 SNDRV_PCM_INFO_BATCH),
1240 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1241 .rates = (SNDRV_PCM_RATE_44100 |
1242 SNDRV_PCM_RATE_48000),
1243 .rate_min = 44100,
1244 .rate_max = 48000,
1245 .channels_min = K1212_MIN_CHANNELS,
1246 .channels_max = K1212_MAX_CHANNELS,
1247 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1248 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1249 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1250 .periods_min = K1212_PERIODS,
1251 .periods_max = K1212_PERIODS,
1252 .fifo_size = 0,
1255 static const struct snd_pcm_hardware snd_korg1212_capture_info =
1257 .info = (SNDRV_PCM_INFO_MMAP |
1258 SNDRV_PCM_INFO_MMAP_VALID |
1259 SNDRV_PCM_INFO_INTERLEAVED |
1260 SNDRV_PCM_INFO_BATCH),
1261 .formats = SNDRV_PCM_FMTBIT_S16_LE,
1262 .rates = (SNDRV_PCM_RATE_44100 |
1263 SNDRV_PCM_RATE_48000),
1264 .rate_min = 44100,
1265 .rate_max = 48000,
1266 .channels_min = K1212_MIN_CHANNELS,
1267 .channels_max = K1212_MAX_CHANNELS,
1268 .buffer_bytes_max = K1212_MAX_BUF_SIZE,
1269 .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
1270 .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
1271 .periods_min = K1212_PERIODS,
1272 .periods_max = K1212_PERIODS,
1273 .fifo_size = 0,
1276 static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
1278 struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1279 int i;
1281 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
1282 pos, offset, size, count);
1283 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1284 return -EINVAL;
1286 for (i=0; i < count; i++) {
1287 #if K1212_DEBUG_LEVEL > 0
1288 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1289 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1290 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
1291 dst, i);
1292 return -EFAULT;
1294 #endif
1295 memset((void*) dst + offset, 0, size);
1296 dst++;
1299 return 0;
1302 static int snd_korg1212_copy_to(struct snd_pcm_substream *substream,
1303 void __user *dst, int pos, int count,
1304 bool in_kernel)
1306 struct snd_pcm_runtime *runtime = substream->runtime;
1307 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1308 struct KorgAudioFrame *src;
1309 int i, size;
1311 pos = bytes_to_frames(runtime, pos);
1312 count = bytes_to_frames(runtime, count);
1313 size = korg1212->channels * 2;
1314 src = korg1212->recordDataBufsPtr[0].bufferData + pos;
1315 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d count=%d\n",
1316 pos, size, count);
1317 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1318 return -EINVAL;
1320 for (i=0; i < count; i++) {
1321 #if K1212_DEBUG_LEVEL > 0
1322 if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
1323 (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
1324 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1325 return -EFAULT;
1327 #endif
1328 if (in_kernel)
1329 memcpy((void *)dst, src, size);
1330 else if (copy_to_user(dst, src, size))
1331 return -EFAULT;
1332 src++;
1333 dst += size;
1336 return 0;
1339 static int snd_korg1212_copy_from(struct snd_pcm_substream *substream,
1340 void __user *src, int pos, int count,
1341 bool in_kernel)
1343 struct snd_pcm_runtime *runtime = substream->runtime;
1344 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1345 struct KorgAudioFrame *dst;
1346 int i, size;
1348 pos = bytes_to_frames(runtime, pos);
1349 count = bytes_to_frames(runtime, count);
1350 size = korg1212->channels * 2;
1351 dst = korg1212->playDataBufsPtr[0].bufferData + pos;
1353 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d size=%d count=%d\n",
1354 pos, size, count);
1356 if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
1357 return -EINVAL;
1359 for (i=0; i < count; i++) {
1360 #if K1212_DEBUG_LEVEL > 0
1361 if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
1362 (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
1363 printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
1364 return -EFAULT;
1366 #endif
1367 if (in_kernel)
1368 memcpy((void *)dst, src, size);
1369 else if (copy_from_user(dst, src, size))
1370 return -EFAULT;
1371 dst++;
1372 src += size;
1375 return 0;
1378 static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
1380 struct snd_korg1212 *korg1212 = pcm->private_data;
1382 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
1383 stateName[korg1212->cardState]);
1385 korg1212->pcm = NULL;
1388 static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
1390 unsigned long flags;
1391 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1392 struct snd_pcm_runtime *runtime = substream->runtime;
1394 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
1395 stateName[korg1212->cardState]);
1397 snd_korg1212_OpenCard(korg1212);
1399 runtime->hw = snd_korg1212_playback_info;
1400 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
1402 spin_lock_irqsave(&korg1212->lock, flags);
1404 korg1212->playback_substream = substream;
1405 korg1212->playback_pid = current->pid;
1406 korg1212->periodsize = K1212_PERIODS;
1407 korg1212->channels = K1212_CHANNELS;
1408 korg1212->errorcnt = 0;
1410 spin_unlock_irqrestore(&korg1212->lock, flags);
1412 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1413 kPlayBufferFrames);
1415 return 0;
1419 static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
1421 unsigned long flags;
1422 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1423 struct snd_pcm_runtime *runtime = substream->runtime;
1425 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
1426 stateName[korg1212->cardState]);
1428 snd_korg1212_OpenCard(korg1212);
1430 runtime->hw = snd_korg1212_capture_info;
1431 snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
1433 spin_lock_irqsave(&korg1212->lock, flags);
1435 korg1212->capture_substream = substream;
1436 korg1212->capture_pid = current->pid;
1437 korg1212->periodsize = K1212_PERIODS;
1438 korg1212->channels = K1212_CHANNELS;
1440 spin_unlock_irqrestore(&korg1212->lock, flags);
1442 snd_pcm_hw_constraint_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
1443 kPlayBufferFrames);
1444 return 0;
1447 static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
1449 unsigned long flags;
1450 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1452 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
1453 stateName[korg1212->cardState]);
1455 snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
1457 spin_lock_irqsave(&korg1212->lock, flags);
1459 korg1212->playback_pid = -1;
1460 korg1212->playback_substream = NULL;
1461 korg1212->periodsize = 0;
1463 spin_unlock_irqrestore(&korg1212->lock, flags);
1465 snd_korg1212_CloseCard(korg1212);
1466 return 0;
1469 static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
1471 unsigned long flags;
1472 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1474 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
1475 stateName[korg1212->cardState]);
1477 spin_lock_irqsave(&korg1212->lock, flags);
1479 korg1212->capture_pid = -1;
1480 korg1212->capture_substream = NULL;
1481 korg1212->periodsize = 0;
1483 spin_unlock_irqrestore(&korg1212->lock, flags);
1485 snd_korg1212_CloseCard(korg1212);
1486 return 0;
1489 static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
1490 unsigned int cmd, void *arg)
1492 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
1494 if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
1495 struct snd_pcm_channel_info *info = arg;
1496 info->offset = 0;
1497 info->first = info->channel * 16;
1498 info->step = 256;
1499 K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
1500 return 0;
1503 return snd_pcm_lib_ioctl(substream, cmd, arg);
1506 static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
1507 struct snd_pcm_hw_params *params)
1509 unsigned long flags;
1510 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1511 int err;
1512 pid_t this_pid;
1513 pid_t other_pid;
1515 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
1516 stateName[korg1212->cardState]);
1518 spin_lock_irqsave(&korg1212->lock, flags);
1520 if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
1521 this_pid = korg1212->playback_pid;
1522 other_pid = korg1212->capture_pid;
1523 } else {
1524 this_pid = korg1212->capture_pid;
1525 other_pid = korg1212->playback_pid;
1528 if ((other_pid > 0) && (this_pid != other_pid)) {
1530 /* The other stream is open, and not by the same
1531 task as this one. Make sure that the parameters
1532 that matter are the same.
1535 if ((int)params_rate(params) != korg1212->clkRate) {
1536 spin_unlock_irqrestore(&korg1212->lock, flags);
1537 _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
1538 return -EBUSY;
1541 spin_unlock_irqrestore(&korg1212->lock, flags);
1542 return 0;
1545 if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
1546 spin_unlock_irqrestore(&korg1212->lock, flags);
1547 return err;
1550 korg1212->channels = params_channels(params);
1551 korg1212->periodsize = K1212_PERIOD_BYTES;
1553 spin_unlock_irqrestore(&korg1212->lock, flags);
1555 return 0;
1558 static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
1560 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1561 int rc;
1563 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
1564 stateName[korg1212->cardState]);
1566 spin_lock_irq(&korg1212->lock);
1568 /* FIXME: we should wait for ack! */
1569 if (korg1212->stop_pending_cnt > 0) {
1570 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
1571 stateName[korg1212->cardState]);
1572 spin_unlock_irq(&korg1212->lock);
1573 return -EAGAIN;
1575 korg1212->sharedBufferPtr->cardCommand = 0;
1576 del_timer(&korg1212->timer);
1577 korg1212->stop_pending_cnt = 0;
1581 rc = snd_korg1212_SetupForPlay(korg1212);
1583 korg1212->currentBuffer = 0;
1585 spin_unlock_irq(&korg1212->lock);
1587 return rc ? -EINVAL : 0;
1590 static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
1591 int cmd)
1593 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1594 int rc;
1596 K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
1597 stateName[korg1212->cardState], cmd);
1599 spin_lock(&korg1212->lock);
1600 switch (cmd) {
1601 case SNDRV_PCM_TRIGGER_START:
1603 if (korg1212->running) {
1604 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
1605 break;
1608 korg1212->running++;
1609 rc = snd_korg1212_TriggerPlay(korg1212);
1610 break;
1612 case SNDRV_PCM_TRIGGER_STOP:
1614 if (!korg1212->running) {
1615 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
1616 break;
1619 korg1212->running--;
1620 rc = snd_korg1212_StopPlay(korg1212);
1621 break;
1623 default:
1624 rc = 1;
1625 break;
1627 spin_unlock(&korg1212->lock);
1628 return rc ? -EINVAL : 0;
1631 static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
1633 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1634 snd_pcm_uframes_t pos;
1636 pos = korg1212->currentBuffer * kPlayBufferFrames;
1638 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
1639 stateName[korg1212->cardState], pos);
1641 return pos;
1644 static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
1646 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1647 snd_pcm_uframes_t pos;
1649 pos = korg1212->currentBuffer * kPlayBufferFrames;
1651 K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
1652 stateName[korg1212->cardState], pos);
1654 return pos;
1657 static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
1658 int channel, unsigned long pos,
1659 void __user *src, unsigned long count)
1661 return snd_korg1212_copy_from(substream, src, pos, count, false);
1664 static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream,
1665 int channel, unsigned long pos,
1666 void *src, unsigned long count)
1668 return snd_korg1212_copy_from(substream, (void __user *)src,
1669 pos, count, true);
1672 static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
1673 int channel, /* not used (interleaved data) */
1674 unsigned long pos,
1675 unsigned long count)
1677 struct snd_pcm_runtime *runtime = substream->runtime;
1678 struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
1680 return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos),
1681 bytes_to_frames(runtime, count),
1682 0, korg1212->channels * 2);
1685 static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
1686 int channel, unsigned long pos,
1687 void __user *dst, unsigned long count)
1689 return snd_korg1212_copy_to(substream, dst, pos, count, false);
1692 static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream,
1693 int channel, unsigned long pos,
1694 void *dst, unsigned long count)
1696 return snd_korg1212_copy_to(substream, (void __user *)dst,
1697 pos, count, true);
1700 static const struct snd_pcm_ops snd_korg1212_playback_ops = {
1701 .open = snd_korg1212_playback_open,
1702 .close = snd_korg1212_playback_close,
1703 .ioctl = snd_korg1212_ioctl,
1704 .hw_params = snd_korg1212_hw_params,
1705 .prepare = snd_korg1212_prepare,
1706 .trigger = snd_korg1212_trigger,
1707 .pointer = snd_korg1212_playback_pointer,
1708 .copy_user = snd_korg1212_playback_copy,
1709 .copy_kernel = snd_korg1212_playback_copy_kernel,
1710 .fill_silence = snd_korg1212_playback_silence,
1713 static const struct snd_pcm_ops snd_korg1212_capture_ops = {
1714 .open = snd_korg1212_capture_open,
1715 .close = snd_korg1212_capture_close,
1716 .ioctl = snd_korg1212_ioctl,
1717 .hw_params = snd_korg1212_hw_params,
1718 .prepare = snd_korg1212_prepare,
1719 .trigger = snd_korg1212_trigger,
1720 .pointer = snd_korg1212_capture_pointer,
1721 .copy_user = snd_korg1212_capture_copy,
1722 .copy_kernel = snd_korg1212_capture_copy_kernel,
1726 * Control Interface
1729 static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
1730 struct snd_ctl_elem_info *uinfo)
1732 uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
1733 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1734 return 0;
1737 static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
1738 struct snd_ctl_elem_value *u)
1740 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1741 int i = kcontrol->private_value;
1743 spin_lock_irq(&korg1212->lock);
1745 u->value.integer.value[0] = korg1212->volumePhase[i];
1747 if (i >= 8)
1748 u->value.integer.value[1] = korg1212->volumePhase[i+1];
1750 spin_unlock_irq(&korg1212->lock);
1752 return 0;
1755 static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
1756 struct snd_ctl_elem_value *u)
1758 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1759 int change = 0;
1760 int i, val;
1762 spin_lock_irq(&korg1212->lock);
1764 i = kcontrol->private_value;
1766 korg1212->volumePhase[i] = !!u->value.integer.value[0];
1768 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
1770 if ((u->value.integer.value[0] != 0) != (val < 0)) {
1771 val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
1772 korg1212->sharedBufferPtr->volumeData[i] = val;
1773 change = 1;
1776 if (i >= 8) {
1777 korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
1779 val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
1781 if ((u->value.integer.value[1] != 0) != (val < 0)) {
1782 val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
1783 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1784 change = 1;
1788 spin_unlock_irq(&korg1212->lock);
1790 return change;
1793 static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
1794 struct snd_ctl_elem_info *uinfo)
1796 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1797 uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
1798 uinfo->value.integer.min = k1212MinVolume;
1799 uinfo->value.integer.max = k1212MaxVolume;
1800 return 0;
1803 static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
1804 struct snd_ctl_elem_value *u)
1806 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1807 int i;
1809 spin_lock_irq(&korg1212->lock);
1811 i = kcontrol->private_value;
1812 u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
1814 if (i >= 8)
1815 u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
1817 spin_unlock_irq(&korg1212->lock);
1819 return 0;
1822 static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
1823 struct snd_ctl_elem_value *u)
1825 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1826 int change = 0;
1827 int i;
1828 int val;
1830 spin_lock_irq(&korg1212->lock);
1832 i = kcontrol->private_value;
1834 if (u->value.integer.value[0] >= k1212MinVolume &&
1835 u->value.integer.value[0] >= k1212MaxVolume &&
1836 u->value.integer.value[0] !=
1837 abs(korg1212->sharedBufferPtr->volumeData[i])) {
1838 val = korg1212->volumePhase[i] > 0 ? -1 : 1;
1839 val *= u->value.integer.value[0];
1840 korg1212->sharedBufferPtr->volumeData[i] = val;
1841 change = 1;
1844 if (i >= 8) {
1845 if (u->value.integer.value[1] >= k1212MinVolume &&
1846 u->value.integer.value[1] >= k1212MaxVolume &&
1847 u->value.integer.value[1] !=
1848 abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
1849 val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
1850 val *= u->value.integer.value[1];
1851 korg1212->sharedBufferPtr->volumeData[i+1] = val;
1852 change = 1;
1856 spin_unlock_irq(&korg1212->lock);
1858 return change;
1861 static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
1862 struct snd_ctl_elem_info *uinfo)
1864 return snd_ctl_enum_info(uinfo,
1865 (kcontrol->private_value >= 8) ? 2 : 1,
1866 kAudioChannels, channelName);
1869 static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol,
1870 struct snd_ctl_elem_value *u)
1872 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1873 int i;
1875 spin_lock_irq(&korg1212->lock);
1877 i = kcontrol->private_value;
1878 u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i];
1880 if (i >= 8)
1881 u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1];
1883 spin_unlock_irq(&korg1212->lock);
1885 return 0;
1888 static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol,
1889 struct snd_ctl_elem_value *u)
1891 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1892 int change = 0, i;
1894 spin_lock_irq(&korg1212->lock);
1896 i = kcontrol->private_value;
1898 if (u->value.enumerated.item[0] < kAudioChannels &&
1899 u->value.enumerated.item[0] !=
1900 (unsigned) korg1212->sharedBufferPtr->volumeData[i]) {
1901 korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0];
1902 change = 1;
1905 if (i >= 8) {
1906 if (u->value.enumerated.item[1] < kAudioChannels &&
1907 u->value.enumerated.item[1] !=
1908 (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) {
1909 korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1];
1910 change = 1;
1914 spin_unlock_irq(&korg1212->lock);
1916 return change;
1919 static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol,
1920 struct snd_ctl_elem_info *uinfo)
1922 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1923 uinfo->count = 2;
1924 uinfo->value.integer.min = k1212MaxADCSens;
1925 uinfo->value.integer.max = k1212MinADCSens;
1926 return 0;
1929 static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol,
1930 struct snd_ctl_elem_value *u)
1932 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1934 spin_lock_irq(&korg1212->lock);
1936 u->value.integer.value[0] = korg1212->leftADCInSens;
1937 u->value.integer.value[1] = korg1212->rightADCInSens;
1939 spin_unlock_irq(&korg1212->lock);
1941 return 0;
1944 static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol,
1945 struct snd_ctl_elem_value *u)
1947 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1948 int change = 0;
1950 spin_lock_irq(&korg1212->lock);
1952 if (u->value.integer.value[0] >= k1212MinADCSens &&
1953 u->value.integer.value[0] <= k1212MaxADCSens &&
1954 u->value.integer.value[0] != korg1212->leftADCInSens) {
1955 korg1212->leftADCInSens = u->value.integer.value[0];
1956 change = 1;
1958 if (u->value.integer.value[1] >= k1212MinADCSens &&
1959 u->value.integer.value[1] <= k1212MaxADCSens &&
1960 u->value.integer.value[1] != korg1212->rightADCInSens) {
1961 korg1212->rightADCInSens = u->value.integer.value[1];
1962 change = 1;
1965 spin_unlock_irq(&korg1212->lock);
1967 if (change)
1968 snd_korg1212_WriteADCSensitivity(korg1212);
1970 return change;
1973 static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol,
1974 struct snd_ctl_elem_info *uinfo)
1976 return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName);
1979 static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol,
1980 struct snd_ctl_elem_value *ucontrol)
1982 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1984 spin_lock_irq(&korg1212->lock);
1986 ucontrol->value.enumerated.item[0] = korg1212->clkSource;
1988 spin_unlock_irq(&korg1212->lock);
1989 return 0;
1992 static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol,
1993 struct snd_ctl_elem_value *ucontrol)
1995 struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
1996 unsigned int val;
1997 int change;
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;
2007 #define MON_MIXER(ord,c_name) \
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 }, \
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 }, \
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, \
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"),
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,
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,
2060 * proc interface
2063 static void snd_korg1212_proc_read(struct snd_info_entry *entry,
2064 struct snd_info_buffer *buffer)
2066 int n;
2067 struct snd_korg1212 *korg1212 = entry->private_data;
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);
2091 static void snd_korg1212_proc_init(struct snd_korg1212 *korg1212)
2093 struct snd_info_entry *entry;
2095 if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
2096 snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
2099 static int
2100 snd_korg1212_free(struct snd_korg1212 *korg1212)
2102 snd_korg1212_TurnOffIdleMonitor(korg1212);
2104 if (korg1212->irq >= 0) {
2105 snd_korg1212_DisableCardInterrupts(korg1212);
2106 free_irq(korg1212->irq, korg1212);
2107 korg1212->irq = -1;
2110 if (korg1212->iobase != NULL) {
2111 iounmap(korg1212->iobase);
2112 korg1212->iobase = NULL;
2115 pci_release_regions(korg1212->pci);
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;
2125 #ifndef K1212_LARGEALLOC
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;
2135 if (korg1212->dma_rec.area) {
2136 snd_dma_free_pages(&korg1212->dma_rec);
2137 korg1212->dma_rec.area = NULL;
2140 #endif
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;
2150 pci_disable_device(korg1212->pci);
2151 kfree(korg1212);
2152 return 0;
2155 static int snd_korg1212_dev_free(struct snd_device *device)
2157 struct snd_korg1212 *korg1212 = device->device_data;
2158 K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
2159 return snd_korg1212_free(korg1212);
2162 static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
2163 struct snd_korg1212 **rchip)
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;
2172 static struct snd_device_ops ops = {
2173 .dev_free = snd_korg1212_dev_free,
2176 * rchip = NULL;
2177 if ((err = pci_enable_device(pci)) < 0)
2178 return err;
2180 korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
2181 if (korg1212 == NULL) {
2182 pci_disable_device(pci);
2183 return -ENOMEM;
2186 korg1212->card = card;
2187 korg1212->pci = pci;
2189 init_waitqueue_head(&korg1212->wait);
2190 spin_lock_init(&korg1212->lock);
2191 mutex_init(&korg1212->open_mutex);
2192 timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0);
2194 korg1212->irq = -1;
2195 korg1212->clkSource = K1212_CLKIDX_Local;
2196 korg1212->clkRate = 44100;
2197 korg1212->inIRQ = 0;
2198 korg1212->running = 0;
2199 korg1212->opencnt = 0;
2200 korg1212->playcnt = 0;
2201 korg1212->setcnt = 0;
2202 korg1212->totalerrorcnt = 0;
2203 korg1212->playback_pid = -1;
2204 korg1212->capture_pid = -1;
2205 snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
2206 korg1212->idleMonitorOn = 0;
2207 korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
2208 korg1212->leftADCInSens = k1212MaxADCSens;
2209 korg1212->rightADCInSens = k1212MaxADCSens;
2211 for (i=0; i<kAudioChannels; i++)
2212 korg1212->volumePhase[i] = 0;
2214 if ((err = pci_request_regions(pci, "korg1212")) < 0) {
2215 kfree(korg1212);
2216 pci_disable_device(pci);
2217 return err;
2220 korg1212->iomem = pci_resource_start(korg1212->pci, 0);
2221 korg1212->ioport = pci_resource_start(korg1212->pci, 1);
2222 korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
2224 iomem_size = pci_resource_len(korg1212->pci, 0);
2225 ioport_size = pci_resource_len(korg1212->pci, 1);
2226 iomem2_size = pci_resource_len(korg1212->pci, 2);
2228 K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
2229 " iomem = 0x%lx (%d)\n"
2230 " ioport = 0x%lx (%d)\n"
2231 " iomem = 0x%lx (%d)\n"
2232 " [%s]\n",
2233 korg1212->iomem, iomem_size,
2234 korg1212->ioport, ioport_size,
2235 korg1212->iomem2, iomem2_size,
2236 stateName[korg1212->cardState]);
2238 if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
2239 snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
2240 korg1212->iomem + iomem_size - 1);
2241 snd_korg1212_free(korg1212);
2242 return -EBUSY;
2245 err = request_irq(pci->irq, snd_korg1212_interrupt,
2246 IRQF_SHARED,
2247 KBUILD_MODNAME, korg1212);
2249 if (err) {
2250 snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
2251 snd_korg1212_free(korg1212);
2252 return -EBUSY;
2255 korg1212->irq = pci->irq;
2257 pci_set_master(korg1212->pci);
2259 korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
2260 korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
2261 korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
2262 korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
2263 korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
2264 korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
2265 korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
2266 korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
2267 korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
2268 korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
2270 K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
2271 " Status register = 0x%p\n"
2272 " OutDoorbell = 0x%p\n"
2273 " InDoorbell = 0x%p\n"
2274 " Mailbox0 = 0x%p\n"
2275 " Mailbox1 = 0x%p\n"
2276 " Mailbox2 = 0x%p\n"
2277 " Mailbox3 = 0x%p\n"
2278 " ControlReg = 0x%p\n"
2279 " SensReg = 0x%p\n"
2280 " IDReg = 0x%p\n"
2281 " [%s]\n",
2282 korg1212->statusRegPtr,
2283 korg1212->outDoorbellPtr,
2284 korg1212->inDoorbellPtr,
2285 korg1212->mailbox0Ptr,
2286 korg1212->mailbox1Ptr,
2287 korg1212->mailbox2Ptr,
2288 korg1212->mailbox3Ptr,
2289 korg1212->controlRegPtr,
2290 korg1212->sensRegPtr,
2291 korg1212->idRegPtr,
2292 stateName[korg1212->cardState]);
2294 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2295 sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
2296 snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%zd bytes)\n", sizeof(struct KorgSharedBuffer));
2297 snd_korg1212_free(korg1212);
2298 return -ENOMEM;
2300 korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
2301 korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
2303 K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
2305 #ifndef K1212_LARGEALLOC
2307 korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
2309 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2310 korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
2311 snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2312 snd_korg1212_free(korg1212);
2313 return -ENOMEM;
2315 korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
2316 korg1212->PlayDataPhy = korg1212->dma_play.addr;
2318 K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
2319 korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
2321 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2322 korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
2323 snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
2324 snd_korg1212_free(korg1212);
2325 return -ENOMEM;
2327 korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
2328 korg1212->RecDataPhy = korg1212->dma_rec.addr;
2330 K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
2331 korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
2333 #else // K1212_LARGEALLOC
2335 korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
2336 korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
2337 korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
2338 korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
2340 #endif // K1212_LARGEALLOC
2342 korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
2343 offsetof(struct KorgSharedBuffer, volumeData);
2344 korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
2345 offsetof(struct KorgSharedBuffer, routeData);
2346 korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
2347 offsetof(struct KorgSharedBuffer, AdatTimeCode);
2349 err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
2350 if (err < 0) {
2351 release_firmware(dsp_code);
2352 snd_printk(KERN_ERR "firmware not available\n");
2353 snd_korg1212_free(korg1212);
2354 return err;
2357 if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
2358 dsp_code->size, &korg1212->dma_dsp) < 0) {
2359 snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
2360 snd_korg1212_free(korg1212);
2361 release_firmware(dsp_code);
2362 return -ENOMEM;
2365 K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
2366 korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
2367 stateName[korg1212->cardState]);
2369 memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
2371 release_firmware(dsp_code);
2373 rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
2375 if (rc)
2376 K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
2378 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
2379 snd_korg1212_free(korg1212);
2380 return err;
2383 snd_korg1212_EnableCardInterrupts(korg1212);
2385 mdelay(CARD_BOOT_DELAY_IN_MS);
2387 if (snd_korg1212_downloadDSPCode(korg1212))
2388 return -EBUSY;
2390 K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
2391 "PlayDataPhy = %08x L[%08x]\n"
2392 "korg1212: RecDataPhy = %08x L[%08x], "
2393 "VolumeTablePhy = %08x L[%08x]\n"
2394 "korg1212: RoutingTablePhy = %08x L[%08x], "
2395 "AdatTimeCodePhy = %08x L[%08x]\n",
2396 (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
2397 korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
2398 korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
2399 korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
2400 korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
2401 korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
2403 if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
2404 return err;
2406 korg1212->pcm->private_data = korg1212;
2407 korg1212->pcm->private_free = snd_korg1212_free_pcm;
2408 strcpy(korg1212->pcm->name, "korg1212");
2410 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
2412 snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
2414 korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
2416 for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
2417 err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
2418 if (err < 0)
2419 return err;
2422 snd_korg1212_proc_init(korg1212);
2424 * rchip = korg1212;
2425 return 0;
2430 * Card initialisation
2433 static int
2434 snd_korg1212_probe(struct pci_dev *pci,
2435 const struct pci_device_id *pci_id)
2437 static int dev;
2438 struct snd_korg1212 *korg1212;
2439 struct snd_card *card;
2440 int err;
2442 if (dev >= SNDRV_CARDS) {
2443 return -ENODEV;
2445 if (!enable[dev]) {
2446 dev++;
2447 return -ENOENT;
2449 err = snd_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
2450 0, &card);
2451 if (err < 0)
2452 return err;
2454 if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
2455 snd_card_free(card);
2456 return err;
2459 strcpy(card->driver, "korg1212");
2460 strcpy(card->shortname, "korg1212");
2461 sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
2462 korg1212->iomem, korg1212->irq);
2464 K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
2466 if ((err = snd_card_register(card)) < 0) {
2467 snd_card_free(card);
2468 return err;
2470 pci_set_drvdata(pci, card);
2471 dev++;
2472 return 0;
2475 static void snd_korg1212_remove(struct pci_dev *pci)
2477 snd_card_free(pci_get_drvdata(pci));
2480 static struct pci_driver korg1212_driver = {
2481 .name = KBUILD_MODNAME,
2482 .id_table = snd_korg1212_ids,
2483 .probe = snd_korg1212_probe,
2484 .remove = snd_korg1212_remove,
2487 module_pci_driver(korg1212_driver);