diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/korg1212/korg1212.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/korg1212/korg1212.c | 2497 |
1 files changed, 0 insertions, 2497 deletions
diff --git a/ANDROID_3.4.5/sound/pci/korg1212/korg1212.c b/ANDROID_3.4.5/sound/pci/korg1212/korg1212.c deleted file mode 100644 index 8fea45ab..00000000 --- a/ANDROID_3.4.5/sound/pci/korg1212/korg1212.c +++ /dev/null @@ -1,2497 +0,0 @@ -/* - * Driver for the Korg 1212 IO PCI card - * - * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/slab.h> -#include <linux/wait.h> -#include <linux/module.h> -#include <linux/mutex.h> -#include <linux/firmware.h> - -#include <sound/core.h> -#include <sound/info.h> -#include <sound/control.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> - -#include <asm/io.h> - -// ---------------------------------------------------------------------------- -// Debug Stuff -// ---------------------------------------------------------------------------- -#define K1212_DEBUG_LEVEL 0 -#if K1212_DEBUG_LEVEL > 0 -#define K1212_DEBUG_PRINTK(fmt,args...) printk(KERN_DEBUG fmt,##args) -#else -#define K1212_DEBUG_PRINTK(fmt,...) -#endif -#if K1212_DEBUG_LEVEL > 1 -#define K1212_DEBUG_PRINTK_VERBOSE(fmt,args...) printk(KERN_DEBUG fmt,##args) -#else -#define K1212_DEBUG_PRINTK_VERBOSE(fmt,...) -#endif - -// ---------------------------------------------------------------------------- -// Record/Play Buffer Allocation Method. If K1212_LARGEALLOC is defined all -// buffers are alocated as a large piece inside KorgSharedBuffer. -// ---------------------------------------------------------------------------- -//#define K1212_LARGEALLOC 1 - -// ---------------------------------------------------------------------------- -// Valid states of the Korg 1212 I/O card. -// ---------------------------------------------------------------------------- -enum CardState { - K1212_STATE_NONEXISTENT, // there is no card here - K1212_STATE_UNINITIALIZED, // the card is awaiting DSP download - K1212_STATE_DSP_IN_PROCESS, // the card is currently downloading its DSP code - K1212_STATE_DSP_COMPLETE, // the card has finished the DSP download - K1212_STATE_READY, // the card can be opened by an application. Any application - // requests prior to this state should fail. Only an open - // request can be made at this state. - K1212_STATE_OPEN, // an application has opened the card - K1212_STATE_SETUP, // the card has been setup for play - K1212_STATE_PLAYING, // the card is playing - K1212_STATE_MONITOR, // the card is in the monitor mode - K1212_STATE_CALIBRATING, // the card is currently calibrating - K1212_STATE_ERRORSTOP, // the card has stopped itself because of an error and we - // are in the process of cleaning things up. - K1212_STATE_MAX_STATE // state values of this and beyond are invalid -}; - -// ---------------------------------------------------------------------------- -// The following enumeration defines the constants written to the card's -// host-to-card doorbell to initiate a command. -// ---------------------------------------------------------------------------- -enum korg1212_dbcnst { - K1212_DB_RequestForData = 0, // sent by the card to request a buffer fill. - K1212_DB_TriggerPlay = 1, // starts playback/record on the card. - K1212_DB_SelectPlayMode = 2, // select monitor, playback setup, or stop. - K1212_DB_ConfigureBufferMemory = 3, // tells card where the host audio buffers are. - K1212_DB_RequestAdatTimecode = 4, // asks the card for the latest ADAT timecode value. - K1212_DB_SetClockSourceRate = 5, // sets the clock source and rate for the card. - K1212_DB_ConfigureMiscMemory = 6, // tells card where other buffers are. - K1212_DB_TriggerFromAdat = 7, // tells card to trigger from Adat at a specific - // timecode value. - K1212_DB_DMAERROR = 0x80, // DMA Error - the PCI bus is congestioned. - K1212_DB_CARDSTOPPED = 0x81, // Card has stopped by user request. - K1212_DB_RebootCard = 0xA0, // instructs the card to reboot. - K1212_DB_BootFromDSPPage4 = 0xA4, // instructs the card to boot from the DSP microcode - // on page 4 (local page to card). - K1212_DB_DSPDownloadDone = 0xAE, // sent by the card to indicate the download has - // completed. - K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware. -}; - - -// ---------------------------------------------------------------------------- -// The following enumeration defines return codes -// to the Korg 1212 I/O driver. -// ---------------------------------------------------------------------------- -enum snd_korg1212rc { - K1212_CMDRET_Success = 0, // command was successfully placed - K1212_CMDRET_DIOCFailure, // the DeviceIoControl call failed - K1212_CMDRET_PMFailure, // the protected mode call failed - K1212_CMDRET_FailUnspecified, // unspecified failure - K1212_CMDRET_FailBadState, // the specified command can not be given in - // the card's current state. (or the wave device's - // state) - K1212_CMDRET_CardUninitialized, // the card is uninitialized and cannot be used - K1212_CMDRET_BadIndex, // an out of range card index was specified - K1212_CMDRET_BadHandle, // an invalid card handle was specified - K1212_CMDRET_NoFillRoutine, // a play request has been made before a fill routine set - K1212_CMDRET_FillRoutineInUse, // can't set a new fill routine while one is in use - K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command - K1212_CMDRET_BadParams, // bad parameters were provided by the caller - - K1212_CMDRET_BadDevice, // the specified wave device was out of range - K1212_CMDRET_BadFormat // the specified wave format is unsupported -}; - -// ---------------------------------------------------------------------------- -// The following enumeration defines the constants used to select the play -// mode for the card in the SelectPlayMode command. -// ---------------------------------------------------------------------------- -enum PlayModeSelector { - K1212_MODE_SetupPlay = 0x00000001, // provides card with pre-play information - K1212_MODE_MonitorOn = 0x00000002, // tells card to turn on monitor mode - K1212_MODE_MonitorOff = 0x00000004, // tells card to turn off monitor mode - K1212_MODE_StopPlay = 0x00000008 // stops playback on the card -}; - -// ---------------------------------------------------------------------------- -// The following enumeration defines the constants used to select the monitor -// mode for the card in the SetMonitorMode command. -// ---------------------------------------------------------------------------- -enum MonitorModeSelector { - K1212_MONMODE_Off = 0, // tells card to turn off monitor mode - K1212_MONMODE_On // tells card to turn on monitor mode -}; - -#define MAILBOX0_OFFSET 0x40 // location of mailbox 0 relative to base address -#define MAILBOX1_OFFSET 0x44 // location of mailbox 1 relative to base address -#define MAILBOX2_OFFSET 0x48 // location of mailbox 2 relative to base address -#define MAILBOX3_OFFSET 0x4c // location of mailbox 3 relative to base address -#define OUT_DOORBELL_OFFSET 0x60 // location of PCI to local doorbell -#define IN_DOORBELL_OFFSET 0x64 // location of local to PCI doorbell -#define STATUS_REG_OFFSET 0x68 // location of interrupt control/status register -#define PCI_CONTROL_OFFSET 0x6c // location of the EEPROM, PCI, User I/O, init control - // register -#define SENS_CONTROL_OFFSET 0x6e // location of the input sensitivity setting register. - // this is the upper word of the PCI control reg. -#define DEV_VEND_ID_OFFSET 0x70 // location of the device and vendor ID register - -#define MAX_COMMAND_RETRIES 5 // maximum number of times the driver will attempt - // to send a command before giving up. -#define COMMAND_ACK_MASK 0x8000 // the MSB is set in the command acknowledgment from - // the card. -#define DOORBELL_VAL_MASK 0x00FF // the doorbell value is one byte - -#define CARD_BOOT_DELAY_IN_MS 10 -#define CARD_BOOT_TIMEOUT 10 -#define DSP_BOOT_DELAY_IN_MS 200 - -#define kNumBuffers 8 -#define k1212MaxCards 4 -#define k1212NumWaveDevices 6 -#define k16BitChannels 10 -#define k32BitChannels 2 -#define kAudioChannels (k16BitChannels + k32BitChannels) -#define kPlayBufferFrames 1024 - -#define K1212_ANALOG_CHANNELS 2 -#define K1212_SPDIF_CHANNELS 2 -#define K1212_ADAT_CHANNELS 8 -#define K1212_CHANNELS (K1212_ADAT_CHANNELS + K1212_ANALOG_CHANNELS) -#define K1212_MIN_CHANNELS 1 -#define K1212_MAX_CHANNELS K1212_CHANNELS -#define K1212_FRAME_SIZE (sizeof(struct KorgAudioFrame)) -#define K1212_MAX_SAMPLES (kPlayBufferFrames*kNumBuffers) -#define K1212_PERIODS (kNumBuffers) -#define K1212_PERIOD_BYTES (K1212_FRAME_SIZE*kPlayBufferFrames) -#define K1212_BUF_SIZE (K1212_PERIOD_BYTES*kNumBuffers) -#define K1212_ANALOG_BUF_SIZE (K1212_ANALOG_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers) -#define K1212_SPDIF_BUF_SIZE (K1212_SPDIF_CHANNELS * 3 * kPlayBufferFrames * kNumBuffers) -#define K1212_ADAT_BUF_SIZE (K1212_ADAT_CHANNELS * 2 * kPlayBufferFrames * kNumBuffers) -#define K1212_MAX_BUF_SIZE (K1212_ANALOG_BUF_SIZE + K1212_ADAT_BUF_SIZE) - -#define k1212MinADCSens 0x7f -#define k1212MaxADCSens 0x00 -#define k1212MaxVolume 0x7fff -#define k1212MaxWaveVolume 0xffff -#define k1212MinVolume 0x0000 -#define k1212MaxVolInverted 0x8000 - -// ----------------------------------------------------------------- -// the following bits are used for controlling interrupts in the -// interrupt control/status reg -// ----------------------------------------------------------------- -#define PCI_INT_ENABLE_BIT 0x00000100 -#define PCI_DOORBELL_INT_ENABLE_BIT 0x00000200 -#define LOCAL_INT_ENABLE_BIT 0x00010000 -#define LOCAL_DOORBELL_INT_ENABLE_BIT 0x00020000 -#define LOCAL_DMA1_INT_ENABLE_BIT 0x00080000 - -// ----------------------------------------------------------------- -// the following bits are defined for the PCI command register -// ----------------------------------------------------------------- -#define PCI_CMD_MEM_SPACE_ENABLE_BIT 0x0002 -#define PCI_CMD_IO_SPACE_ENABLE_BIT 0x0001 -#define PCI_CMD_BUS_MASTER_ENABLE_BIT 0x0004 - -// ----------------------------------------------------------------- -// the following bits are defined for the PCI status register -// ----------------------------------------------------------------- -#define PCI_STAT_PARITY_ERROR_BIT 0x8000 -#define PCI_STAT_SYSTEM_ERROR_BIT 0x4000 -#define PCI_STAT_MASTER_ABORT_RCVD_BIT 0x2000 -#define PCI_STAT_TARGET_ABORT_RCVD_BIT 0x1000 -#define PCI_STAT_TARGET_ABORT_SENT_BIT 0x0800 - -// ------------------------------------------------------------------------ -// the following constants are used in setting the 1212 I/O card's input -// sensitivity. -// ------------------------------------------------------------------------ -#define SET_SENS_LOCALINIT_BITPOS 15 -#define SET_SENS_DATA_BITPOS 10 -#define SET_SENS_CLOCK_BITPOS 8 -#define SET_SENS_LOADSHIFT_BITPOS 0 - -#define SET_SENS_LEFTCHANID 0x00 -#define SET_SENS_RIGHTCHANID 0x01 - -#define K1212SENSUPDATE_DELAY_IN_MS 50 - -// -------------------------------------------------------------------------- -// WaitRTCTicks -// -// This function waits the specified number of real time clock ticks. -// According to the DDK, each tick is ~0.8 microseconds. -// The defines following the function declaration can be used for the -// numTicksToWait parameter. -// -------------------------------------------------------------------------- -#define ONE_RTC_TICK 1 -#define SENSCLKPULSE_WIDTH 4 -#define LOADSHIFT_DELAY 4 -#define INTERCOMMAND_DELAY 40 -#define STOPCARD_DELAY 300 // max # RTC ticks for the card to stop once we write - // the command register. (could be up to 180 us) -#define COMMAND_ACK_DELAY 13 // number of RTC ticks to wait for an acknowledgement - // from the card after sending a command. - -enum ClockSourceIndex { - K1212_CLKIDX_AdatAt44_1K = 0, // selects source as ADAT at 44.1 kHz - K1212_CLKIDX_AdatAt48K, // selects source as ADAT at 48 kHz - K1212_CLKIDX_WordAt44_1K, // selects source as S/PDIF at 44.1 kHz - K1212_CLKIDX_WordAt48K, // selects source as S/PDIF at 48 kHz - K1212_CLKIDX_LocalAt44_1K, // selects source as local clock at 44.1 kHz - K1212_CLKIDX_LocalAt48K, // selects source as local clock at 48 kHz - K1212_CLKIDX_Invalid // used to check validity of the index -}; - -enum ClockSourceType { - K1212_CLKIDX_Adat = 0, // selects source as ADAT - K1212_CLKIDX_Word, // selects source as S/PDIF - K1212_CLKIDX_Local // selects source as local clock -}; - -struct KorgAudioFrame { - u16 frameData16[k16BitChannels]; /* channels 0-9 use 16 bit samples */ - u32 frameData32[k32BitChannels]; /* channels 10-11 use 32 bits - only 20 are sent across S/PDIF */ - u32 timeCodeVal; /* holds the ADAT timecode value */ -}; - -struct KorgAudioBuffer { - struct KorgAudioFrame bufferData[kPlayBufferFrames]; /* buffer definition */ -}; - -struct KorgSharedBuffer { -#ifdef K1212_LARGEALLOC - struct KorgAudioBuffer playDataBufs[kNumBuffers]; - struct KorgAudioBuffer recordDataBufs[kNumBuffers]; -#endif - short volumeData[kAudioChannels]; - u32 cardCommand; - u16 routeData [kAudioChannels]; - u32 AdatTimeCode; // ADAT timecode value -}; - -struct SensBits { - union { - struct { - unsigned int leftChanVal:8; - unsigned int leftChanId:8; - } v; - u16 leftSensBits; - } l; - union { - struct { - unsigned int rightChanVal:8; - unsigned int rightChanId:8; - } v; - u16 rightSensBits; - } r; -}; - -struct snd_korg1212 { - struct snd_card *card; - struct pci_dev *pci; - struct snd_pcm *pcm; - int irq; - - spinlock_t lock; - struct mutex open_mutex; - - struct timer_list timer; /* timer callback for checking ack of stop request */ - int stop_pending_cnt; /* counter for stop pending check */ - - wait_queue_head_t wait; - - unsigned long iomem; - unsigned long ioport; - unsigned long iomem2; - unsigned long irqcount; - unsigned long inIRQ; - void __iomem *iobase; - - struct snd_dma_buffer dma_dsp; - struct snd_dma_buffer dma_play; - struct snd_dma_buffer dma_rec; - struct snd_dma_buffer dma_shared; - - u32 DataBufsSize; - - struct KorgAudioBuffer * playDataBufsPtr; - struct KorgAudioBuffer * recordDataBufsPtr; - - struct KorgSharedBuffer * sharedBufferPtr; - - u32 RecDataPhy; - u32 PlayDataPhy; - unsigned long sharedBufferPhy; - u32 VolumeTablePhy; - u32 RoutingTablePhy; - u32 AdatTimeCodePhy; - - u32 __iomem * statusRegPtr; // address of the interrupt status/control register - u32 __iomem * outDoorbellPtr; // address of the host->card doorbell register - u32 __iomem * inDoorbellPtr; // address of the card->host doorbell register - u32 __iomem * mailbox0Ptr; // address of mailbox 0 on the card - u32 __iomem * mailbox1Ptr; // address of mailbox 1 on the card - u32 __iomem * mailbox2Ptr; // address of mailbox 2 on the card - u32 __iomem * mailbox3Ptr; // address of mailbox 3 on the card - u32 __iomem * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg - u16 __iomem * sensRegPtr; // address of the sensitivity setting register - u32 __iomem * idRegPtr; // address of the device and vendor ID registers - - size_t periodsize; - int channels; - int currentBuffer; - - struct snd_pcm_substream *playback_substream; - struct snd_pcm_substream *capture_substream; - - pid_t capture_pid; - pid_t playback_pid; - - enum CardState cardState; - int running; - int idleMonitorOn; // indicates whether the card is in idle monitor mode. - u32 cmdRetryCount; // tracks how many times we have retried sending to the card. - - enum ClockSourceIndex clkSrcRate; // sample rate and clock source - - enum ClockSourceType clkSource; // clock source - int clkRate; // clock rate - - int volumePhase[kAudioChannels]; - - u16 leftADCInSens; // ADC left channel input sensitivity - u16 rightADCInSens; // ADC right channel input sensitivity - - int opencnt; // Open/Close count - int setcnt; // SetupForPlay count - int playcnt; // TriggerPlay count - int errorcnt; // Error Count - unsigned long totalerrorcnt; // Total Error Count - - int dsp_is_loaded; - int dsp_stop_is_processed; - -}; - -MODULE_DESCRIPTION("korg1212"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{KORG,korg1212}}"); -MODULE_FIRMWARE("korg/k1212.dsp"); - -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard."); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard."); -MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>"); - -static DEFINE_PCI_DEVICE_TABLE(snd_korg1212_ids) = { - { - .vendor = 0x10b5, - .device = 0x906d, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - }, - { 0, }, -}; - -MODULE_DEVICE_TABLE(pci, snd_korg1212_ids); - -static char *stateName[] = { - "Non-existent", - "Uninitialized", - "DSP download in process", - "DSP download complete", - "Ready", - "Open", - "Setup for play", - "Playing", - "Monitor mode on", - "Calibrating", - "Invalid" -}; - -static char *clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" }; - -static char *clockSourceName[] = { - "ADAT at 44.1 kHz", - "ADAT at 48 kHz", - "S/PDIF at 44.1 kHz", - "S/PDIF at 48 kHz", - "local clock at 44.1 kHz", - "local clock at 48 kHz" -}; - -static char *channelName[] = { - "ADAT-1", - "ADAT-2", - "ADAT-3", - "ADAT-4", - "ADAT-5", - "ADAT-6", - "ADAT-7", - "ADAT-8", - "Analog-L", - "Analog-R", - "SPDIF-L", - "SPDIF-R", -}; - -static u16 ClockSourceSelector[] = { - 0x8000, // selects source as ADAT at 44.1 kHz - 0x0000, // selects source as ADAT at 48 kHz - 0x8001, // selects source as S/PDIF at 44.1 kHz - 0x0001, // selects source as S/PDIF at 48 kHz - 0x8002, // selects source as local clock at 44.1 kHz - 0x0002 // selects source as local clock at 48 kHz -}; - -union swap_u32 { unsigned char c[4]; u32 i; }; - -#ifdef SNDRV_BIG_ENDIAN -static u32 LowerWordSwap(u32 swappee) -#else -static u32 UpperWordSwap(u32 swappee) -#endif -{ - union swap_u32 retVal, swapper; - - swapper.i = swappee; - retVal.c[2] = swapper.c[3]; - retVal.c[3] = swapper.c[2]; - retVal.c[1] = swapper.c[1]; - retVal.c[0] = swapper.c[0]; - - return retVal.i; -} - -#ifdef SNDRV_BIG_ENDIAN -static u32 UpperWordSwap(u32 swappee) -#else -static u32 LowerWordSwap(u32 swappee) -#endif -{ - union swap_u32 retVal, swapper; - - swapper.i = swappee; - retVal.c[2] = swapper.c[2]; - retVal.c[3] = swapper.c[3]; - retVal.c[1] = swapper.c[0]; - retVal.c[0] = swapper.c[1]; - - return retVal.i; -} - -#define SetBitInWord(theWord,bitPosition) (*theWord) |= (0x0001 << bitPosition) -#define SetBitInDWord(theWord,bitPosition) (*theWord) |= (0x00000001 << bitPosition) -#define ClearBitInWord(theWord,bitPosition) (*theWord) &= ~(0x0001 << bitPosition) -#define ClearBitInDWord(theWord,bitPosition) (*theWord) &= ~(0x00000001 << bitPosition) - -static int snd_korg1212_Send1212Command(struct snd_korg1212 *korg1212, - enum korg1212_dbcnst doorbellVal, - u32 mailBox0Val, u32 mailBox1Val, - u32 mailBox2Val, u32 mailBox3Val) -{ - u32 retryCount; - u16 mailBox3Lo; - int rc = K1212_CMDRET_Success; - - if (!korg1212->outDoorbellPtr) { - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: CardUninitialized\n"); - return K1212_CMDRET_CardUninitialized; - } - - K1212_DEBUG_PRINTK("K1212_DEBUG: Card <- 0x%08x 0x%08x [%s]\n", - doorbellVal, mailBox0Val, stateName[korg1212->cardState]); - for (retryCount = 0; retryCount < MAX_COMMAND_RETRIES; retryCount++) { - writel(mailBox3Val, korg1212->mailbox3Ptr); - writel(mailBox2Val, korg1212->mailbox2Ptr); - writel(mailBox1Val, korg1212->mailbox1Ptr); - writel(mailBox0Val, korg1212->mailbox0Ptr); - writel(doorbellVal, korg1212->outDoorbellPtr); // interrupt the card - - // -------------------------------------------------------------- - // the reboot command will not give an acknowledgement. - // -------------------------------------------------------------- - if ( doorbellVal == K1212_DB_RebootCard || - doorbellVal == K1212_DB_BootFromDSPPage4 || - doorbellVal == K1212_DB_StartDSPDownload ) { - rc = K1212_CMDRET_Success; - break; - } - - // -------------------------------------------------------------- - // See if the card acknowledged the command. Wait a bit, then - // read in the low word of mailbox3. If the MSB is set and the - // low byte is equal to the doorbell value, then it ack'd. - // -------------------------------------------------------------- - udelay(COMMAND_ACK_DELAY); - mailBox3Lo = readl(korg1212->mailbox3Ptr); - if (mailBox3Lo & COMMAND_ACK_MASK) { - if ((mailBox3Lo & DOORBELL_VAL_MASK) == (doorbellVal & DOORBELL_VAL_MASK)) { - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- Success\n"); - rc = K1212_CMDRET_Success; - break; - } - } - } - korg1212->cmdRetryCount += retryCount; - - if (retryCount >= MAX_COMMAND_RETRIES) { - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Card <- NoAckFromCard\n"); - rc = K1212_CMDRET_NoAckFromCard; - } - - return rc; -} - -/* spinlock already held */ -static void snd_korg1212_SendStop(struct snd_korg1212 *korg1212) -{ - if (! korg1212->stop_pending_cnt) { - korg1212->sharedBufferPtr->cardCommand = 0xffffffff; - /* program the timer */ - korg1212->stop_pending_cnt = HZ; - korg1212->timer.expires = jiffies + 1; - add_timer(&korg1212->timer); - } -} - -static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212) -{ - unsigned long flags; - spin_lock_irqsave(&korg1212->lock, flags); - korg1212->dsp_stop_is_processed = 0; - snd_korg1212_SendStop(korg1212); - spin_unlock_irqrestore(&korg1212->lock, flags); - wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2); -} - -/* timer callback for checking the ack of stop request */ -static void snd_korg1212_timer_func(unsigned long data) -{ - struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data; - unsigned long flags; - - spin_lock_irqsave(&korg1212->lock, flags); - if (korg1212->sharedBufferPtr->cardCommand == 0) { - /* ack'ed */ - korg1212->stop_pending_cnt = 0; - korg1212->dsp_stop_is_processed = 1; - wake_up(&korg1212->wait); - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n", - stateName[korg1212->cardState]); - } else { - if (--korg1212->stop_pending_cnt > 0) { - /* reprogram timer */ - korg1212->timer.expires = jiffies + 1; - add_timer(&korg1212->timer); - } else { - snd_printd("korg1212_timer_func timeout\n"); - korg1212->sharedBufferPtr->cardCommand = 0; - korg1212->dsp_stop_is_processed = 1; - wake_up(&korg1212->wait); - K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n", - stateName[korg1212->cardState]); - } - } - spin_unlock_irqrestore(&korg1212->lock, flags); -} - -static int snd_korg1212_TurnOnIdleMonitor(struct snd_korg1212 *korg1212) -{ - unsigned long flags; - int rc; - - udelay(INTERCOMMAND_DELAY); - spin_lock_irqsave(&korg1212->lock, flags); - korg1212->idleMonitorOn = 1; - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode, - K1212_MODE_MonitorOn, 0, 0, 0); - spin_unlock_irqrestore(&korg1212->lock, flags); - return rc; -} - -static void snd_korg1212_TurnOffIdleMonitor(struct snd_korg1212 *korg1212) -{ - if (korg1212->idleMonitorOn) { - snd_korg1212_SendStopAndWait(korg1212); - korg1212->idleMonitorOn = 0; - } -} - -static inline void snd_korg1212_setCardState(struct snd_korg1212 * korg1212, enum CardState csState) -{ - korg1212->cardState = csState; -} - -static int snd_korg1212_OpenCard(struct snd_korg1212 * korg1212) -{ - K1212_DEBUG_PRINTK("K1212_DEBUG: OpenCard [%s] %d\n", - stateName[korg1212->cardState], korg1212->opencnt); - mutex_lock(&korg1212->open_mutex); - if (korg1212->opencnt++ == 0) { - snd_korg1212_TurnOffIdleMonitor(korg1212); - snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN); - } - - mutex_unlock(&korg1212->open_mutex); - return 1; -} - -static int snd_korg1212_CloseCard(struct snd_korg1212 * korg1212) -{ - K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard [%s] %d\n", - stateName[korg1212->cardState], korg1212->opencnt); - - mutex_lock(&korg1212->open_mutex); - if (--(korg1212->opencnt)) { - mutex_unlock(&korg1212->open_mutex); - return 0; - } - - if (korg1212->cardState == K1212_STATE_SETUP) { - int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode, - K1212_MODE_StopPlay, 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: CloseCard - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - if (rc != K1212_CMDRET_Success) { - mutex_unlock(&korg1212->open_mutex); - return 0; - } - } else if (korg1212->cardState > K1212_STATE_SETUP) { - snd_korg1212_SendStopAndWait(korg1212); - } - - if (korg1212->cardState > K1212_STATE_READY) { - snd_korg1212_TurnOnIdleMonitor(korg1212); - snd_korg1212_setCardState(korg1212, K1212_STATE_READY); - } - - mutex_unlock(&korg1212->open_mutex); - return 0; -} - -/* spinlock already held */ -static int snd_korg1212_SetupForPlay(struct snd_korg1212 * korg1212) -{ - int rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay [%s] %d\n", - stateName[korg1212->cardState], korg1212->setcnt); - - if (korg1212->setcnt++) - return 0; - - snd_korg1212_setCardState(korg1212, K1212_STATE_SETUP); - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode, - K1212_MODE_SetupPlay, 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: SetupForPlay - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - if (rc != K1212_CMDRET_Success) { - return 1; - } - return 0; -} - -/* spinlock already held */ -static int snd_korg1212_TriggerPlay(struct snd_korg1212 * korg1212) -{ - int rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay [%s] %d\n", - stateName[korg1212->cardState], korg1212->playcnt); - - if (korg1212->playcnt++) - return 0; - - snd_korg1212_setCardState(korg1212, K1212_STATE_PLAYING); - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_TriggerPlay, 0, 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: TriggerPlay - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - if (rc != K1212_CMDRET_Success) { - return 1; - } - return 0; -} - -/* spinlock already held */ -static int snd_korg1212_StopPlay(struct snd_korg1212 * korg1212) -{ - K1212_DEBUG_PRINTK("K1212_DEBUG: StopPlay [%s] %d\n", - stateName[korg1212->cardState], korg1212->playcnt); - - if (--(korg1212->playcnt)) - return 0; - - korg1212->setcnt = 0; - - if (korg1212->cardState != K1212_STATE_ERRORSTOP) - snd_korg1212_SendStop(korg1212); - - snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN); - return 0; -} - -static void snd_korg1212_EnableCardInterrupts(struct snd_korg1212 * korg1212) -{ - writel(PCI_INT_ENABLE_BIT | - PCI_DOORBELL_INT_ENABLE_BIT | - LOCAL_INT_ENABLE_BIT | - LOCAL_DOORBELL_INT_ENABLE_BIT | - LOCAL_DMA1_INT_ENABLE_BIT, - korg1212->statusRegPtr); -} - -#if 0 /* not used */ - -static int snd_korg1212_SetMonitorMode(struct snd_korg1212 *korg1212, - enum MonitorModeSelector mode) -{ - K1212_DEBUG_PRINTK("K1212_DEBUG: SetMonitorMode [%s]\n", - stateName[korg1212->cardState]); - - switch (mode) { - case K1212_MONMODE_Off: - if (korg1212->cardState != K1212_STATE_MONITOR) - return 0; - else { - snd_korg1212_SendStopAndWait(korg1212); - snd_korg1212_setCardState(korg1212, K1212_STATE_OPEN); - } - break; - - case K1212_MONMODE_On: - if (korg1212->cardState != K1212_STATE_OPEN) - return 0; - else { - int rc; - snd_korg1212_setCardState(korg1212, K1212_STATE_MONITOR); - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode, - K1212_MODE_MonitorOn, 0, 0, 0); - if (rc != K1212_CMDRET_Success) - return 0; - } - break; - - default: - return 0; - } - - return 1; -} - -#endif /* not used */ - -static inline int snd_korg1212_use_is_exclusive(struct snd_korg1212 *korg1212) -{ - if (korg1212->playback_pid != korg1212->capture_pid && - korg1212->playback_pid >= 0 && korg1212->capture_pid >= 0) - return 0; - - return 1; -} - -static int snd_korg1212_SetRate(struct snd_korg1212 *korg1212, int rate) -{ - static enum ClockSourceIndex s44[] = { - K1212_CLKIDX_AdatAt44_1K, - K1212_CLKIDX_WordAt44_1K, - K1212_CLKIDX_LocalAt44_1K - }; - static enum ClockSourceIndex s48[] = { - K1212_CLKIDX_AdatAt48K, - K1212_CLKIDX_WordAt48K, - K1212_CLKIDX_LocalAt48K - }; - int parm, rc; - - if (!snd_korg1212_use_is_exclusive (korg1212)) - return -EBUSY; - - switch (rate) { - case 44100: - parm = s44[korg1212->clkSource]; - break; - - case 48000: - parm = s48[korg1212->clkSource]; - break; - - default: - return -EINVAL; - } - - korg1212->clkSrcRate = parm; - korg1212->clkRate = rate; - - udelay(INTERCOMMAND_DELAY); - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate, - ClockSourceSelector[korg1212->clkSrcRate], - 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - return 0; -} - -static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source) -{ - - if (source < 0 || source > 2) - return -EINVAL; - - korg1212->clkSource = source; - - snd_korg1212_SetRate(korg1212, korg1212->clkRate); - - return 0; -} - -static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212) -{ - writel(0, korg1212->statusRegPtr); -} - -static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212) -{ - struct SensBits sensVals; - int bitPosition; - int channel; - int clkIs48K; - int monModeSet; - u16 controlValue; // this keeps the current value to be written to - // the card's eeprom control register. - u16 count; - unsigned long flags; - - K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n", - stateName[korg1212->cardState]); - - // ---------------------------------------------------------------------------- - // initialize things. The local init bit is always set when writing to the - // card's control register. - // ---------------------------------------------------------------------------- - controlValue = 0; - SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value - - // ---------------------------------------------------------------------------- - // make sure the card is not in monitor mode when we do this update. - // ---------------------------------------------------------------------------- - if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) { - monModeSet = 1; - snd_korg1212_SendStopAndWait(korg1212); - } else - monModeSet = 0; - - spin_lock_irqsave(&korg1212->lock, flags); - - // ---------------------------------------------------------------------------- - // we are about to send new values to the card, so clear the new values queued - // flag. Also, clear out mailbox 3, so we don't lockup. - // ---------------------------------------------------------------------------- - writel(0, korg1212->mailbox3Ptr); - udelay(LOADSHIFT_DELAY); - - // ---------------------------------------------------------------------------- - // determine whether we are running a 48K or 44.1K clock. This info is used - // later when setting the SPDIF FF after the volume has been shifted in. - // ---------------------------------------------------------------------------- - switch (korg1212->clkSrcRate) { - case K1212_CLKIDX_AdatAt44_1K: - case K1212_CLKIDX_WordAt44_1K: - case K1212_CLKIDX_LocalAt44_1K: - clkIs48K = 0; - break; - - case K1212_CLKIDX_WordAt48K: - case K1212_CLKIDX_AdatAt48K: - case K1212_CLKIDX_LocalAt48K: - default: - clkIs48K = 1; - break; - } - - // ---------------------------------------------------------------------------- - // start the update. Setup the bit structure and then shift the bits. - // ---------------------------------------------------------------------------- - sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID; - sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID; - sensVals.l.v.leftChanVal = korg1212->leftADCInSens; - sensVals.r.v.rightChanVal = korg1212->rightADCInSens; - - // ---------------------------------------------------------------------------- - // now start shifting the bits in. Start with the left channel then the right. - // ---------------------------------------------------------------------------- - for (channel = 0; channel < 2; channel++) { - - // ---------------------------------------------------------------------------- - // Bring the load/shift line low, then wait - the spec says >150ns from load/ - // shift low to the first rising edge of the clock. - // ---------------------------------------------------------------------------- - ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS); - ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // load/shift goes low - udelay(LOADSHIFT_DELAY); - - for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits - if (channel == 0) { - if (sensVals.l.leftSensBits & (0x0001 << bitPosition)) - SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high - else - ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low - } else { - if (sensVals.r.rightSensBits & (0x0001 << bitPosition)) - SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high - else - ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low - } - - ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // clock goes low - udelay(SENSCLKPULSE_WIDTH); - SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // clock goes high - udelay(SENSCLKPULSE_WIDTH); - } - - // ---------------------------------------------------------------------------- - // finish up SPDIF for left. Bring the load/shift line high, then write a one - // bit if the clock rate is 48K otherwise write 0. - // ---------------------------------------------------------------------------- - ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); - ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS); - SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low - udelay(SENSCLKPULSE_WIDTH); - - if (clkIs48K) - SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); - - writew(controlValue, korg1212->sensRegPtr); // set/clear data bit - udelay(ONE_RTC_TICK); - SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // clock goes high - udelay(SENSCLKPULSE_WIDTH); - ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS); - writew(controlValue, korg1212->sensRegPtr); // clock goes low - udelay(SENSCLKPULSE_WIDTH); - } - - // ---------------------------------------------------------------------------- - // The update is complete. Set a timeout. This is the inter-update delay. - // Also, if the card was in monitor mode, restore it. - // ---------------------------------------------------------------------------- - for (count = 0; count < 10; count++) - udelay(SENSCLKPULSE_WIDTH); - - if (monModeSet) { - int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode, - K1212_MODE_MonitorOn, 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - } - - spin_unlock_irqrestore(&korg1212->lock, flags); - - return 1; -} - -static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212) -{ - int channel, rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n", - stateName[korg1212->cardState]); - - // ---------------------------------------------------- - // tell the card to boot - // ---------------------------------------------------- - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0); - - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - msleep(DSP_BOOT_DELAY_IN_MS); - - // -------------------------------------------------------------------------------- - // Let the card know where all the buffers are. - // -------------------------------------------------------------------------------- - rc = snd_korg1212_Send1212Command(korg1212, - K1212_DB_ConfigureBufferMemory, - LowerWordSwap(korg1212->PlayDataPhy), - LowerWordSwap(korg1212->RecDataPhy), - ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card - // is based on 2 buffers - 0 - ); - - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - udelay(INTERCOMMAND_DELAY); - - rc = snd_korg1212_Send1212Command(korg1212, - K1212_DB_ConfigureMiscMemory, - LowerWordSwap(korg1212->VolumeTablePhy), - LowerWordSwap(korg1212->RoutingTablePhy), - LowerWordSwap(korg1212->AdatTimeCodePhy), - 0 - ); - - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - // -------------------------------------------------------------------------------- - // Initialize the routing and volume tables, then update the card's state. - // -------------------------------------------------------------------------------- - udelay(INTERCOMMAND_DELAY); - - for (channel = 0; channel < kAudioChannels; channel++) { - korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume; - //korg1212->sharedBufferPtr->routeData[channel] = channel; - korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1); - } - - snd_korg1212_WriteADCSensitivity(korg1212); - - udelay(INTERCOMMAND_DELAY); - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate, - ClockSourceSelector[korg1212->clkSrcRate], - 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - rc = snd_korg1212_TurnOnIdleMonitor(korg1212); - snd_korg1212_setCardState(korg1212, K1212_STATE_READY); - - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE); -} - -static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id) -{ - u32 doorbellValue; - struct snd_korg1212 *korg1212 = dev_id; - - doorbellValue = readl(korg1212->inDoorbellPtr); - - if (!doorbellValue) - return IRQ_NONE; - - spin_lock(&korg1212->lock); - - writel(doorbellValue, korg1212->inDoorbellPtr); - - korg1212->irqcount++; - - korg1212->inIRQ++; - - switch (doorbellValue) { - case K1212_DB_DSPDownloadDone: - K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n", - korg1212->irqcount, doorbellValue, - stateName[korg1212->cardState]); - if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) { - korg1212->dsp_is_loaded = 1; - wake_up(&korg1212->wait); - } - break; - - // ------------------------------------------------------------------------ - // an error occurred - stop the card - // ------------------------------------------------------------------------ - case K1212_DB_DMAERROR: - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n", - korg1212->irqcount, doorbellValue, - stateName[korg1212->cardState]); - snd_printk(KERN_ERR "korg1212: DMA Error\n"); - korg1212->errorcnt++; - korg1212->totalerrorcnt++; - korg1212->sharedBufferPtr->cardCommand = 0; - snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP); - break; - - // ------------------------------------------------------------------------ - // the card has stopped by our request. Clear the command word and signal - // the semaphore in case someone is waiting for this. - // ------------------------------------------------------------------------ - case K1212_DB_CARDSTOPPED: - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n", - korg1212->irqcount, doorbellValue, - stateName[korg1212->cardState]); - korg1212->sharedBufferPtr->cardCommand = 0; - break; - - default: - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n", - korg1212->irqcount, doorbellValue, - korg1212->currentBuffer, stateName[korg1212->cardState]); - if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) { - korg1212->currentBuffer++; - - if (korg1212->currentBuffer >= kNumBuffers) - korg1212->currentBuffer = 0; - - if (!korg1212->running) - break; - - if (korg1212->capture_substream) { - spin_unlock(&korg1212->lock); - snd_pcm_period_elapsed(korg1212->capture_substream); - spin_lock(&korg1212->lock); - } - - if (korg1212->playback_substream) { - spin_unlock(&korg1212->lock); - snd_pcm_period_elapsed(korg1212->playback_substream); - spin_lock(&korg1212->lock); - } - } - break; - } - - korg1212->inIRQ--; - - spin_unlock(&korg1212->lock); - - return IRQ_HANDLED; -} - -static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212) -{ - int rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n", - stateName[korg1212->cardState]); - - // --------------------------------------------------------------- - // verify the state of the card before proceeding. - // --------------------------------------------------------------- - if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS) - return 1; - - snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS); - - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload, - UpperWordSwap(korg1212->dma_dsp.addr), - 0, 0, 0); - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n", - rc, stateName[korg1212->cardState]); - - korg1212->dsp_is_loaded = 0; - wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT); - if (! korg1212->dsp_is_loaded ) - return -EBUSY; /* timeout */ - - snd_korg1212_OnDSPDownloadComplete(korg1212); - - return 0; -} - -static struct snd_pcm_hardware snd_korg1212_playback_info = -{ - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BATCH), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = (SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000), - .rate_min = 44100, - .rate_max = 48000, - .channels_min = K1212_MIN_CHANNELS, - .channels_max = K1212_MAX_CHANNELS, - .buffer_bytes_max = K1212_MAX_BUF_SIZE, - .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames, - .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames, - .periods_min = K1212_PERIODS, - .periods_max = K1212_PERIODS, - .fifo_size = 0, -}; - -static struct snd_pcm_hardware snd_korg1212_capture_info = -{ - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BATCH), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = (SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000), - .rate_min = 44100, - .rate_max = 48000, - .channels_min = K1212_MIN_CHANNELS, - .channels_max = K1212_MAX_CHANNELS, - .buffer_bytes_max = K1212_MAX_BUF_SIZE, - .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames, - .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames, - .periods_min = K1212_PERIODS, - .periods_max = K1212_PERIODS, - .fifo_size = 0, -}; - -static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size) -{ - struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos; - int i; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n", - pos, offset, size, count); - if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) - return -EINVAL; - - for (i=0; i < count; i++) { -#if K1212_DEBUG_LEVEL > 0 - if ( (void *) dst < (void *) korg1212->playDataBufsPtr || - (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) { - printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n", - dst, i); - return -EFAULT; - } -#endif - memset((void*) dst + offset, 0, size); - dst++; - } - - return 0; -} - -static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size) -{ - struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos; - int i, rc; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n", - pos, offset, size); - if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) - return -EINVAL; - - for (i=0; i < count; i++) { -#if K1212_DEBUG_LEVEL > 0 - if ( (void *) src < (void *) korg1212->recordDataBufsPtr || - (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) { - printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); - return -EFAULT; - } -#endif - rc = copy_to_user(dst + offset, src, size); - if (rc) { - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i); - return -EFAULT; - } - src++; - dst += size; - } - - return 0; -} - -static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size) -{ - struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos; - int i, rc; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n", - pos, offset, size, count); - - if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES)) - return -EINVAL; - - for (i=0; i < count; i++) { -#if K1212_DEBUG_LEVEL > 0 - if ( (void *) dst < (void *) korg1212->playDataBufsPtr || - (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) { - printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); - return -EFAULT; - } -#endif - rc = copy_from_user((void*) dst + offset, src, size); - if (rc) { - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i); - return -EFAULT; - } - dst++; - src += size; - } - - return 0; -} - -static void snd_korg1212_free_pcm(struct snd_pcm *pcm) -{ - struct snd_korg1212 *korg1212 = pcm->private_data; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n", - stateName[korg1212->cardState]); - - korg1212->pcm = NULL; -} - -static int snd_korg1212_playback_open(struct snd_pcm_substream *substream) -{ - unsigned long flags; - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n", - stateName[korg1212->cardState]); - - snd_korg1212_OpenCard(korg1212); - - runtime->hw = snd_korg1212_playback_info; - snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play); - - spin_lock_irqsave(&korg1212->lock, flags); - - korg1212->playback_substream = substream; - korg1212->playback_pid = current->pid; - korg1212->periodsize = K1212_PERIODS; - korg1212->channels = K1212_CHANNELS; - korg1212->errorcnt = 0; - - spin_unlock_irqrestore(&korg1212->lock, flags); - - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames); - return 0; -} - - -static int snd_korg1212_capture_open(struct snd_pcm_substream *substream) -{ - unsigned long flags; - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n", - stateName[korg1212->cardState]); - - snd_korg1212_OpenCard(korg1212); - - runtime->hw = snd_korg1212_capture_info; - snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec); - - spin_lock_irqsave(&korg1212->lock, flags); - - korg1212->capture_substream = substream; - korg1212->capture_pid = current->pid; - korg1212->periodsize = K1212_PERIODS; - korg1212->channels = K1212_CHANNELS; - - spin_unlock_irqrestore(&korg1212->lock, flags); - - snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, - kPlayBufferFrames, kPlayBufferFrames); - return 0; -} - -static int snd_korg1212_playback_close(struct snd_pcm_substream *substream) -{ - unsigned long flags; - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n", - stateName[korg1212->cardState]); - - snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2); - - spin_lock_irqsave(&korg1212->lock, flags); - - korg1212->playback_pid = -1; - korg1212->playback_substream = NULL; - korg1212->periodsize = 0; - - spin_unlock_irqrestore(&korg1212->lock, flags); - - snd_korg1212_CloseCard(korg1212); - return 0; -} - -static int snd_korg1212_capture_close(struct snd_pcm_substream *substream) -{ - unsigned long flags; - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n", - stateName[korg1212->cardState]); - - spin_lock_irqsave(&korg1212->lock, flags); - - korg1212->capture_pid = -1; - korg1212->capture_substream = NULL; - korg1212->periodsize = 0; - - spin_unlock_irqrestore(&korg1212->lock, flags); - - snd_korg1212_CloseCard(korg1212); - return 0; -} - -static int snd_korg1212_ioctl(struct snd_pcm_substream *substream, - unsigned int cmd, void *arg) -{ - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd); - - if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) { - struct snd_pcm_channel_info *info = arg; - info->offset = 0; - info->first = info->channel * 16; - info->step = 256; - K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step); - return 0; - } - - return snd_pcm_lib_ioctl(substream, cmd, arg); -} - -static int snd_korg1212_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - unsigned long flags; - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - int err; - pid_t this_pid; - pid_t other_pid; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n", - stateName[korg1212->cardState]); - - spin_lock_irqsave(&korg1212->lock, flags); - - if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) { - this_pid = korg1212->playback_pid; - other_pid = korg1212->capture_pid; - } else { - this_pid = korg1212->capture_pid; - other_pid = korg1212->playback_pid; - } - - if ((other_pid > 0) && (this_pid != other_pid)) { - - /* The other stream is open, and not by the same - task as this one. Make sure that the parameters - that matter are the same. - */ - - if ((int)params_rate(params) != korg1212->clkRate) { - spin_unlock_irqrestore(&korg1212->lock, flags); - _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE); - return -EBUSY; - } - - spin_unlock_irqrestore(&korg1212->lock, flags); - return 0; - } - - if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) { - spin_unlock_irqrestore(&korg1212->lock, flags); - return err; - } - - korg1212->channels = params_channels(params); - korg1212->periodsize = K1212_PERIOD_BYTES; - - spin_unlock_irqrestore(&korg1212->lock, flags); - - return 0; -} - -static int snd_korg1212_prepare(struct snd_pcm_substream *substream) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - int rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n", - stateName[korg1212->cardState]); - - spin_lock_irq(&korg1212->lock); - - /* FIXME: we should wait for ack! */ - if (korg1212->stop_pending_cnt > 0) { - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n", - stateName[korg1212->cardState]); - spin_unlock_irq(&korg1212->lock); - return -EAGAIN; - /* - korg1212->sharedBufferPtr->cardCommand = 0; - del_timer(&korg1212->timer); - korg1212->stop_pending_cnt = 0; - */ - } - - rc = snd_korg1212_SetupForPlay(korg1212); - - korg1212->currentBuffer = 0; - - spin_unlock_irq(&korg1212->lock); - - return rc ? -EINVAL : 0; -} - -static int snd_korg1212_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - int rc; - - K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n", - stateName[korg1212->cardState], cmd); - - spin_lock(&korg1212->lock); - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: -/* - if (korg1212->running) { - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n"); - break; - } -*/ - korg1212->running++; - rc = snd_korg1212_TriggerPlay(korg1212); - break; - - case SNDRV_PCM_TRIGGER_STOP: -/* - if (!korg1212->running) { - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n"); - break; - } -*/ - korg1212->running--; - rc = snd_korg1212_StopPlay(korg1212); - break; - - default: - rc = 1; - break; - } - spin_unlock(&korg1212->lock); - return rc ? -EINVAL : 0; -} - -static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - snd_pcm_uframes_t pos; - - pos = korg1212->currentBuffer * kPlayBufferFrames; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n", - stateName[korg1212->cardState], pos); - - return pos; -} - -static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - snd_pcm_uframes_t pos; - - pos = korg1212->currentBuffer * kPlayBufferFrames; - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n", - stateName[korg1212->cardState], pos); - - return pos; -} - -static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *src, - snd_pcm_uframes_t count) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n", - stateName[korg1212->cardState], pos, count); - - return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2); - -} - -static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - snd_pcm_uframes_t count) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n", - stateName[korg1212->cardState]); - - return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2); -} - -static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream, - int channel, /* not used (interleaved data) */ - snd_pcm_uframes_t pos, - void __user *dst, - snd_pcm_uframes_t count) -{ - struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); - - K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n", - stateName[korg1212->cardState], pos, count); - - return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2); -} - -static struct snd_pcm_ops snd_korg1212_playback_ops = { - .open = snd_korg1212_playback_open, - .close = snd_korg1212_playback_close, - .ioctl = snd_korg1212_ioctl, - .hw_params = snd_korg1212_hw_params, - .prepare = snd_korg1212_prepare, - .trigger = snd_korg1212_trigger, - .pointer = snd_korg1212_playback_pointer, - .copy = snd_korg1212_playback_copy, - .silence = snd_korg1212_playback_silence, -}; - -static struct snd_pcm_ops snd_korg1212_capture_ops = { - .open = snd_korg1212_capture_open, - .close = snd_korg1212_capture_close, - .ioctl = snd_korg1212_ioctl, - .hw_params = snd_korg1212_hw_params, - .prepare = snd_korg1212_prepare, - .trigger = snd_korg1212_trigger, - .pointer = snd_korg1212_capture_pointer, - .copy = snd_korg1212_capture_copy, -}; - -/* - * Control Interface - */ - -static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; - uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1; - return 0; -} - -static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int i = kcontrol->private_value; - - spin_lock_irq(&korg1212->lock); - - u->value.integer.value[0] = korg1212->volumePhase[i]; - - if (i >= 8) - u->value.integer.value[1] = korg1212->volumePhase[i+1]; - - spin_unlock_irq(&korg1212->lock); - - return 0; -} - -static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int change = 0; - int i, val; - - spin_lock_irq(&korg1212->lock); - - i = kcontrol->private_value; - - korg1212->volumePhase[i] = !!u->value.integer.value[0]; - - val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value]; - - if ((u->value.integer.value[0] != 0) != (val < 0)) { - val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1); - korg1212->sharedBufferPtr->volumeData[i] = val; - change = 1; - } - - if (i >= 8) { - korg1212->volumePhase[i+1] = !!u->value.integer.value[1]; - - val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1]; - - if ((u->value.integer.value[1] != 0) != (val < 0)) { - val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1); - korg1212->sharedBufferPtr->volumeData[i+1] = val; - change = 1; - } - } - - spin_unlock_irq(&korg1212->lock); - - return change; -} - -static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1; - uinfo->value.integer.min = k1212MinVolume; - uinfo->value.integer.max = k1212MaxVolume; - return 0; -} - -static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int i; - - spin_lock_irq(&korg1212->lock); - - i = kcontrol->private_value; - u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]); - - if (i >= 8) - u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]); - - spin_unlock_irq(&korg1212->lock); - - return 0; -} - -static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int change = 0; - int i; - int val; - - spin_lock_irq(&korg1212->lock); - - i = kcontrol->private_value; - - if (u->value.integer.value[0] >= k1212MinVolume && - u->value.integer.value[0] >= k1212MaxVolume && - u->value.integer.value[0] != - abs(korg1212->sharedBufferPtr->volumeData[i])) { - val = korg1212->volumePhase[i] > 0 ? -1 : 1; - val *= u->value.integer.value[0]; - korg1212->sharedBufferPtr->volumeData[i] = val; - change = 1; - } - - if (i >= 8) { - if (u->value.integer.value[1] >= k1212MinVolume && - u->value.integer.value[1] >= k1212MaxVolume && - u->value.integer.value[1] != - abs(korg1212->sharedBufferPtr->volumeData[i+1])) { - val = korg1212->volumePhase[i+1] > 0 ? -1 : 1; - val *= u->value.integer.value[1]; - korg1212->sharedBufferPtr->volumeData[i+1] = val; - change = 1; - } - } - - spin_unlock_irq(&korg1212->lock); - - return change; -} - -static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1; - uinfo->value.enumerated.items = kAudioChannels; - if (uinfo->value.enumerated.item > kAudioChannels-1) { - uinfo->value.enumerated.item = kAudioChannels-1; - } - strcpy(uinfo->value.enumerated.name, channelName[uinfo->value.enumerated.item]); - return 0; -} - -static int snd_korg1212_control_route_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int i; - - spin_lock_irq(&korg1212->lock); - - i = kcontrol->private_value; - u->value.enumerated.item[0] = korg1212->sharedBufferPtr->routeData[i]; - - if (i >= 8) - u->value.enumerated.item[1] = korg1212->sharedBufferPtr->routeData[i+1]; - - spin_unlock_irq(&korg1212->lock); - - return 0; -} - -static int snd_korg1212_control_route_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int change = 0, i; - - spin_lock_irq(&korg1212->lock); - - i = kcontrol->private_value; - - if (u->value.enumerated.item[0] < kAudioChannels && - u->value.enumerated.item[0] != - (unsigned) korg1212->sharedBufferPtr->volumeData[i]) { - korg1212->sharedBufferPtr->routeData[i] = u->value.enumerated.item[0]; - change = 1; - } - - if (i >= 8) { - if (u->value.enumerated.item[1] < kAudioChannels && - u->value.enumerated.item[1] != - (unsigned) korg1212->sharedBufferPtr->volumeData[i+1]) { - korg1212->sharedBufferPtr->routeData[i+1] = u->value.enumerated.item[1]; - change = 1; - } - } - - spin_unlock_irq(&korg1212->lock); - - return change; -} - -static int snd_korg1212_control_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - uinfo->count = 2; - uinfo->value.integer.min = k1212MaxADCSens; - uinfo->value.integer.max = k1212MinADCSens; - return 0; -} - -static int snd_korg1212_control_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - - spin_lock_irq(&korg1212->lock); - - u->value.integer.value[0] = korg1212->leftADCInSens; - u->value.integer.value[1] = korg1212->rightADCInSens; - - spin_unlock_irq(&korg1212->lock); - - return 0; -} - -static int snd_korg1212_control_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *u) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - int change = 0; - - spin_lock_irq(&korg1212->lock); - - if (u->value.integer.value[0] >= k1212MinADCSens && - u->value.integer.value[0] <= k1212MaxADCSens && - u->value.integer.value[0] != korg1212->leftADCInSens) { - korg1212->leftADCInSens = u->value.integer.value[0]; - change = 1; - } - if (u->value.integer.value[1] >= k1212MinADCSens && - u->value.integer.value[1] <= k1212MaxADCSens && - u->value.integer.value[1] != korg1212->rightADCInSens) { - korg1212->rightADCInSens = u->value.integer.value[1]; - change = 1; - } - - spin_unlock_irq(&korg1212->lock); - - if (change) - snd_korg1212_WriteADCSensitivity(korg1212); - - return change; -} - -static int snd_korg1212_control_sync_info(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = 3; - if (uinfo->value.enumerated.item > 2) { - uinfo->value.enumerated.item = 2; - } - strcpy(uinfo->value.enumerated.name, clockSourceTypeName[uinfo->value.enumerated.item]); - return 0; -} - -static int snd_korg1212_control_sync_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - - spin_lock_irq(&korg1212->lock); - - ucontrol->value.enumerated.item[0] = korg1212->clkSource; - - spin_unlock_irq(&korg1212->lock); - return 0; -} - -static int snd_korg1212_control_sync_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol); - unsigned int val; - int change; - - val = ucontrol->value.enumerated.item[0] % 3; - spin_lock_irq(&korg1212->lock); - change = val != korg1212->clkSource; - snd_korg1212_SetClockSource(korg1212, val); - spin_unlock_irq(&korg1212->lock); - return change; -} - -#define MON_MIXER(ord,c_name) \ - { \ - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .name = c_name " Monitor Volume", \ - .info = snd_korg1212_control_volume_info, \ - .get = snd_korg1212_control_volume_get, \ - .put = snd_korg1212_control_volume_put, \ - .private_value = ord, \ - }, \ - { \ - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .name = c_name " Monitor Route", \ - .info = snd_korg1212_control_route_info, \ - .get = snd_korg1212_control_route_get, \ - .put = snd_korg1212_control_route_put, \ - .private_value = ord, \ - }, \ - { \ - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, \ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ - .name = c_name " Monitor Phase Invert", \ - .info = snd_korg1212_control_phase_info, \ - .get = snd_korg1212_control_phase_get, \ - .put = snd_korg1212_control_phase_put, \ - .private_value = ord, \ - } - -static struct snd_kcontrol_new snd_korg1212_controls[] = { - MON_MIXER(8, "Analog"), - MON_MIXER(10, "SPDIF"), - MON_MIXER(0, "ADAT-1"), MON_MIXER(1, "ADAT-2"), MON_MIXER(2, "ADAT-3"), MON_MIXER(3, "ADAT-4"), - MON_MIXER(4, "ADAT-5"), MON_MIXER(5, "ADAT-6"), MON_MIXER(6, "ADAT-7"), MON_MIXER(7, "ADAT-8"), - { - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Sync Source", - .info = snd_korg1212_control_sync_info, - .get = snd_korg1212_control_sync_get, - .put = snd_korg1212_control_sync_put, - }, - { - .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_WRITE, - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "ADC Attenuation", - .info = snd_korg1212_control_info, - .get = snd_korg1212_control_get, - .put = snd_korg1212_control_put, - } -}; - -/* - * proc interface - */ - -static void snd_korg1212_proc_read(struct snd_info_entry *entry, - struct snd_info_buffer *buffer) -{ - int n; - struct snd_korg1212 *korg1212 = entry->private_data; - - snd_iprintf(buffer, korg1212->card->longname); - snd_iprintf(buffer, " (index #%d)\n", korg1212->card->number + 1); - snd_iprintf(buffer, "\nGeneral settings\n"); - snd_iprintf(buffer, " period size: %Zd bytes\n", K1212_PERIOD_BYTES); - snd_iprintf(buffer, " clock mode: %s\n", clockSourceName[korg1212->clkSrcRate] ); - snd_iprintf(buffer, " left ADC Sens: %d\n", korg1212->leftADCInSens ); - snd_iprintf(buffer, " right ADC Sens: %d\n", korg1212->rightADCInSens ); - snd_iprintf(buffer, " Volume Info:\n"); - for (n=0; n<kAudioChannels; n++) - snd_iprintf(buffer, " Channel %d: %s -> %s [%d]\n", n, - channelName[n], - channelName[korg1212->sharedBufferPtr->routeData[n]], - korg1212->sharedBufferPtr->volumeData[n]); - snd_iprintf(buffer, "\nGeneral status\n"); - snd_iprintf(buffer, " ADAT Time Code: %d\n", korg1212->sharedBufferPtr->AdatTimeCode); - snd_iprintf(buffer, " Card State: %s\n", stateName[korg1212->cardState]); - snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn); - snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount); - snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount); - snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt); -} - -static void __devinit snd_korg1212_proc_init(struct snd_korg1212 *korg1212) -{ - struct snd_info_entry *entry; - - if (! snd_card_proc_new(korg1212->card, "korg1212", &entry)) - snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read); -} - -static int -snd_korg1212_free(struct snd_korg1212 *korg1212) -{ - snd_korg1212_TurnOffIdleMonitor(korg1212); - - if (korg1212->irq >= 0) { - snd_korg1212_DisableCardInterrupts(korg1212); - free_irq(korg1212->irq, korg1212); - korg1212->irq = -1; - } - - if (korg1212->iobase != NULL) { - iounmap(korg1212->iobase); - korg1212->iobase = NULL; - } - - pci_release_regions(korg1212->pci); - - // ---------------------------------------------------- - // free up memory resources used for the DSP download. - // ---------------------------------------------------- - if (korg1212->dma_dsp.area) { - snd_dma_free_pages(&korg1212->dma_dsp); - korg1212->dma_dsp.area = NULL; - } - -#ifndef K1212_LARGEALLOC - - // ------------------------------------------------------ - // free up memory resources used for the Play/Rec Buffers - // ------------------------------------------------------ - if (korg1212->dma_play.area) { - snd_dma_free_pages(&korg1212->dma_play); - korg1212->dma_play.area = NULL; - } - - if (korg1212->dma_rec.area) { - snd_dma_free_pages(&korg1212->dma_rec); - korg1212->dma_rec.area = NULL; - } - -#endif - - // ---------------------------------------------------- - // free up memory resources used for the Shared Buffers - // ---------------------------------------------------- - if (korg1212->dma_shared.area) { - snd_dma_free_pages(&korg1212->dma_shared); - korg1212->dma_shared.area = NULL; - } - - pci_disable_device(korg1212->pci); - kfree(korg1212); - return 0; -} - -static int snd_korg1212_dev_free(struct snd_device *device) -{ - struct snd_korg1212 *korg1212 = device->device_data; - K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n"); - return snd_korg1212_free(korg1212); -} - -static int __devinit snd_korg1212_create(struct snd_card *card, struct pci_dev *pci, - struct snd_korg1212 ** rchip) - -{ - int err, rc; - unsigned int i; - unsigned ioport_size, iomem_size, iomem2_size; - struct snd_korg1212 * korg1212; - const struct firmware *dsp_code; - - static struct snd_device_ops ops = { - .dev_free = snd_korg1212_dev_free, - }; - - * rchip = NULL; - if ((err = pci_enable_device(pci)) < 0) - return err; - - korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL); - if (korg1212 == NULL) { - pci_disable_device(pci); - return -ENOMEM; - } - - korg1212->card = card; - korg1212->pci = pci; - - init_waitqueue_head(&korg1212->wait); - spin_lock_init(&korg1212->lock); - mutex_init(&korg1212->open_mutex); - init_timer(&korg1212->timer); - korg1212->timer.function = snd_korg1212_timer_func; - korg1212->timer.data = (unsigned long)korg1212; - - korg1212->irq = -1; - korg1212->clkSource = K1212_CLKIDX_Local; - korg1212->clkRate = 44100; - korg1212->inIRQ = 0; - korg1212->running = 0; - korg1212->opencnt = 0; - korg1212->playcnt = 0; - korg1212->setcnt = 0; - korg1212->totalerrorcnt = 0; - korg1212->playback_pid = -1; - korg1212->capture_pid = -1; - snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED); - korg1212->idleMonitorOn = 0; - korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K; - korg1212->leftADCInSens = k1212MaxADCSens; - korg1212->rightADCInSens = k1212MaxADCSens; - - for (i=0; i<kAudioChannels; i++) - korg1212->volumePhase[i] = 0; - - if ((err = pci_request_regions(pci, "korg1212")) < 0) { - kfree(korg1212); - pci_disable_device(pci); - return err; - } - - korg1212->iomem = pci_resource_start(korg1212->pci, 0); - korg1212->ioport = pci_resource_start(korg1212->pci, 1); - korg1212->iomem2 = pci_resource_start(korg1212->pci, 2); - - iomem_size = pci_resource_len(korg1212->pci, 0); - ioport_size = pci_resource_len(korg1212->pci, 1); - iomem2_size = pci_resource_len(korg1212->pci, 2); - - K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n" - " iomem = 0x%lx (%d)\n" - " ioport = 0x%lx (%d)\n" - " iomem = 0x%lx (%d)\n" - " [%s]\n", - korg1212->iomem, iomem_size, - korg1212->ioport, ioport_size, - korg1212->iomem2, iomem2_size, - stateName[korg1212->cardState]); - - if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) { - snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem, - korg1212->iomem + iomem_size - 1); - snd_korg1212_free(korg1212); - return -EBUSY; - } - - err = request_irq(pci->irq, snd_korg1212_interrupt, - IRQF_SHARED, - KBUILD_MODNAME, korg1212); - - if (err) { - snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq); - snd_korg1212_free(korg1212); - return -EBUSY; - } - - korg1212->irq = pci->irq; - - pci_set_master(korg1212->pci); - - korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET); - korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET); - korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET); - korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET); - korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET); - korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET); - korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET); - korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET); - korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET); - korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET); - - K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n" - " Status register = 0x%p\n" - " OutDoorbell = 0x%p\n" - " InDoorbell = 0x%p\n" - " Mailbox0 = 0x%p\n" - " Mailbox1 = 0x%p\n" - " Mailbox2 = 0x%p\n" - " Mailbox3 = 0x%p\n" - " ControlReg = 0x%p\n" - " SensReg = 0x%p\n" - " IDReg = 0x%p\n" - " [%s]\n", - korg1212->statusRegPtr, - korg1212->outDoorbellPtr, - korg1212->inDoorbellPtr, - korg1212->mailbox0Ptr, - korg1212->mailbox1Ptr, - korg1212->mailbox2Ptr, - korg1212->mailbox3Ptr, - korg1212->controlRegPtr, - korg1212->sensRegPtr, - korg1212->idRegPtr, - stateName[korg1212->cardState]); - - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) { - snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer)); - snd_korg1212_free(korg1212); - return -ENOMEM; - } - korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area; - korg1212->sharedBufferPhy = korg1212->dma_shared.addr; - - K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer)); - -#ifndef K1212_LARGEALLOC - - korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers; - - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - korg1212->DataBufsSize, &korg1212->dma_play) < 0) { - snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize); - snd_korg1212_free(korg1212); - return -ENOMEM; - } - korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area; - korg1212->PlayDataPhy = korg1212->dma_play.addr; - - K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n", - korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize); - - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - korg1212->DataBufsSize, &korg1212->dma_rec) < 0) { - snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize); - snd_korg1212_free(korg1212); - return -ENOMEM; - } - korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area; - korg1212->RecDataPhy = korg1212->dma_rec.addr; - - K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n", - korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize); - -#else // K1212_LARGEALLOC - - korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs; - korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs; - korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs; - korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs; - -#endif // K1212_LARGEALLOC - - korg1212->VolumeTablePhy = korg1212->sharedBufferPhy + - offsetof(struct KorgSharedBuffer, volumeData); - korg1212->RoutingTablePhy = korg1212->sharedBufferPhy + - offsetof(struct KorgSharedBuffer, routeData); - korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy + - offsetof(struct KorgSharedBuffer, AdatTimeCode); - - err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev); - if (err < 0) { - release_firmware(dsp_code); - snd_printk(KERN_ERR "firmware not available\n"); - snd_korg1212_free(korg1212); - return err; - } - - if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - dsp_code->size, &korg1212->dma_dsp) < 0) { - snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size); - snd_korg1212_free(korg1212); - release_firmware(dsp_code); - return -ENOMEM; - } - - K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n", - korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size, - stateName[korg1212->cardState]); - - memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size); - - release_firmware(dsp_code); - - rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0); - - if (rc) - K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]); - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) { - snd_korg1212_free(korg1212); - return err; - } - - snd_korg1212_EnableCardInterrupts(korg1212); - - mdelay(CARD_BOOT_DELAY_IN_MS); - - if (snd_korg1212_downloadDSPCode(korg1212)) - return -EBUSY; - - K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], " - "PlayDataPhy = %08x L[%08x]\n" - "korg1212: RecDataPhy = %08x L[%08x], " - "VolumeTablePhy = %08x L[%08x]\n" - "korg1212: RoutingTablePhy = %08x L[%08x], " - "AdatTimeCodePhy = %08x L[%08x]\n", - (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr), - korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy), - korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy), - korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy), - korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy), - korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy)); - - if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0) - return err; - - korg1212->pcm->private_data = korg1212; - korg1212->pcm->private_free = snd_korg1212_free_pcm; - strcpy(korg1212->pcm->name, "korg1212"); - - snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops); - - snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops); - - korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; - - for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) { - err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212)); - if (err < 0) - return err; - } - - snd_korg1212_proc_init(korg1212); - - snd_card_set_dev(card, &pci->dev); - - * rchip = korg1212; - return 0; - -} - -/* - * Card initialisation - */ - -static int __devinit -snd_korg1212_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_korg1212 *korg1212; - struct snd_card *card; - int err; - - if (dev >= SNDRV_CARDS) { - return -ENODEV; - } - if (!enable[dev]) { - dev++; - return -ENOENT; - } - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - if (err < 0) - return err; - - if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) { - snd_card_free(card); - return err; - } - - strcpy(card->driver, "korg1212"); - strcpy(card->shortname, "korg1212"); - sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname, - korg1212->iomem, korg1212->irq); - - K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname); - - if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; - } - pci_set_drvdata(pci, card); - dev++; - return 0; -} - -static void __devexit snd_korg1212_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_korg1212_ids, - .probe = snd_korg1212_probe, - .remove = __devexit_p(snd_korg1212_remove), -}; - -static int __init alsa_card_korg1212_init(void) -{ - return pci_register_driver(&driver); -} - -static void __exit alsa_card_korg1212_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_korg1212_init) -module_exit(alsa_card_korg1212_exit) |