| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Linux/sound/pci/korg1212/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 80 kB |
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Quelle korg1212.c Sprache: C |
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// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the Korg 1212 IO PCI card * * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br> */ #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 <linux/io.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> // ---------------------------------------------------------------------------- // Debug Stuff // ---------------------------------------------------------------------------- #define K1212_DEBUG_LEVEL 0 #if K1212_DEBUG_LEVEL > 0 #define K1212_DEBUG_PRINTK(fmt, args...) pr_debug(fmt, ##args) #else #define K1212_DEBUG_PRINTK(fmt, ...) do { } while (0) #endif #if K1212_DEBUG_LEVEL > 1 #define K1212_DEBUG_PRINTK_VERBOSE(fmt, args...) pr_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 * kNumBuffe #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 0x00 #define k1212MaxADCSens 0x7f #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/PDI 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; 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_processing; }; MODULE_DESCRIPTION("korg1212"); MODULE_LICENSE("GPL"); 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 static const struct pci_device_id snd_korg1212_ids[] = { { .vendor = 0x10b5, .device = 0x906d, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, { 0, }, }; MODULE_DEVICE_TABLE(pci, snd_korg1212_ids); static const char * const stateName[] = { "Non-existent", "Uninitialized", "DSP download in process", "DSP download complete", "Ready", "Open", "Setup for play", "Playing", "Monitor mode on", "Calibrating", "Invalid" }; static const char * const clockSourceTypeName[] = { "ADAT", "S/PDIF", "local" }; static const char * const 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 const char * const 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 const 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 << bitPositio 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) { korg1212->dsp_stop_processing = 1; korg1212->sharedBufferPtr->cardCommand = 0xffffffff; } static void snd_korg1212_SendStopAndWait(struct snd_korg1212 *korg1212) { unsigned long flags; spin_lock_irqsave(&korg1212->lock, flags); snd_korg1212_SendStop(korg1212); spin_unlock_irqrestore(&korg1212->lock, flags); wait_event_timeout(korg1212->wait, !korg1212->dsp_stop_processing, HZ); } 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 CardSt { 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 const enum ClockSourceIndex s44[] = { K1212_CLKIDX_AdatAt44_1K, K1212_CLKIDX_WordAt44_1K, K1212_CLKIDX_LocalAt44_1K }; static const 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]); dev_err(korg1212->card->dev, "korg1212: DMA Error\n"); korg1212->errorcnt++; korg1212->totalerrorcnt++; korg1212->sharedBufferPtr->cardCommand = 0; korg1212->dsp_stop_processing = 0; snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP); wake_up(&korg1212->wait); 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; korg1212->dsp_stop_processing = 0; wake_up(&korg1212->wait); break; default: K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s]. 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 const 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 const 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 off { struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos; int i; K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d s 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 ) { pr_debug("K1212_DEBUG: %s KERNEL EFAULT dst=%p iter=%d\n", __func__, dst, i); return -EFAULT; } #endif memset((void*) dst + offset, 0, size); dst++; } return 0; } static int snd_korg1212_copy_to(struct snd_pcm_substream *substream, struct iov_iter *dst, int pos, int count) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); struct KorgAudioFrame *src; int i, size; pos = bytes_to_frames(runtime, pos); count = bytes_to_frames(runtime, count); size = korg1212->channels * 2; src = korg1212->recordDataBufsPtr[0].bufferData + pos; K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d size=%d cou pos, 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 *) src < (void *) korg1212->recordDataBufsPtr || (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) { pr_debug("K1212_DEBUG: %s KERNEL EFAULT, src=%p dst=%p iter=%d\n", __func__, src, dst->kvec.iov_base, i); return -EFAULT; } #endif if (copy_to_iter(src, size, dst) != size) return -EFAULT; src++; } return 0; } static int snd_korg1212_copy_from(struct snd_pcm_substream *substream, struct iov_iter *src, int pos, int count) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); struct KorgAudioFrame *dst; int i, size; pos = bytes_to_frames(runtime, pos); count = bytes_to_frames(runtime, count); size = korg1212->channels * 2; dst = korg1212->playDataBufsPtr[0].bufferData + pos; K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: %s pos=%d size=%d count=%d\n", __func__, pos, 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 ) { pr_debug("K1212_DEBUG: %s KERNEL EFAULT, src=%p dst=%p iter=%d\n", __func__, src->kvec.iov_base, dst, i); return -EFAULT; } #endif if (copy_from_iter(dst, size, src) != size) return -EFAULT; dst++; } 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_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 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_single(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 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 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; } err = snd_korg1212_SetRate(korg1212, params_rate(params)); if (err < 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_sync_stop(struct snd_pcm_substream *substream) { struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); wait_event_timeout(korg1212->wait, !korg1212->dsp_stop_processing, HZ); 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); korg1212->dsp_stop_processing = 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? 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? 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 *sub { 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\ stateName[korg1212->cardState], pos); return pos; } static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *subs { 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, unsigned long pos, struct iov_iter *src, unsigned long count) { return snd_korg1212_copy_from(substream, src, pos, count); } static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */ unsigned long pos, unsigned long count) { struct snd_pcm_runtime *runtime = substream->runtime; struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream); return snd_korg1212_silence(korg1212, bytes_to_frames(runtime, pos), bytes_to_frames(runtime, count), 0, korg1212->channels * 2); } static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream, int channel, unsigned long pos, struct iov_iter *dst, unsigned long count) { return snd_korg1212_copy_to(substream, dst, pos, count); } static const 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, .sync_stop = snd_korg1212_sync_stop, .pointer = snd_korg1212_playback_pointer, .copy = snd_korg1212_playback_copy, .fill_silence = snd_korg1212_playback_silence, }; static const 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, .sync_stop = snd_korg1212_sync_stop, .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) { return snd_ctl_enum_info(uinfo, (kcontrol->private_value >= 8) ? 2 : 1, kAudioChannels, channelName); } 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; } --> -------------------- --> maximum size reached --> --------------------
¤ Dauer der Verarbeitung: 0.12 Sekunden (vorverarbeitet) ¤*© Formatika GbR, Deutschland |
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2026-04-07