diff options
Diffstat (limited to 'sound/pci/korg1212')
| -rw-r--r-- | sound/pci/korg1212/Makefile | 10 | ||||
| -rw-r--r-- | sound/pci/korg1212/korg1212.c | 2385 |
2 files changed, 2395 insertions, 0 deletions
diff --git a/sound/pci/korg1212/Makefile b/sound/pci/korg1212/Makefile new file mode 100644 index 000000000..42eb287c7 --- /dev/null +++ b/sound/pci/korg1212/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# Makefile for ALSA +# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz> +# + +snd-korg1212-objs := korg1212.o + +# Toplevel Module Dependency +obj-$(CONFIG_SND_KORG1212) += snd-korg1212.o diff --git a/sound/pci/korg1212/korg1212.c b/sound/pci/korg1212/korg1212.c new file mode 100644 index 000000000..33b4f95d6 --- /dev/null +++ b/sound/pci/korg1212/korg1212.c @@ -0,0 +1,2385 @@ +// 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...) printk(KERN_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...) 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 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/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_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 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 << 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; + mod_timer(&korg1212->timer, jiffies + 1); + } +} + +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(struct timer_list *t) +{ + struct snd_korg1212 *korg1212 = from_timer(korg1212, t, timer); + 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 */ + mod_timer(&korg1212->timer, jiffies + 1); + } 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 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]); + 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 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 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_pcm_substream *substream, + void __user *dst, int pos, int count, + bool in_kernel) +{ + 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 count=%d\n", + 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 ) { + printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); + return -EFAULT; + } +#endif + if (in_kernel) + memcpy((__force void *)dst, src, size); + else if (copy_to_user(dst, src, size)) + return -EFAULT; + src++; + dst += size; + } + + return 0; +} + +static int snd_korg1212_copy_from(struct snd_pcm_substream *substream, + void __user *src, int pos, int count, + bool in_kernel) +{ + 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: snd_korg1212_copy_from pos=%d size=%d count=%d\n", + 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 ) { + printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i); + return -EFAULT; + } +#endif + if (in_kernel) + memcpy(dst, (__force void *)src, size); + else if (copy_from_user(dst, src, size)) + 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_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\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; + } + + 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_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, unsigned long pos, + void __user *src, unsigned long count) +{ + return snd_korg1212_copy_from(substream, src, pos, count, false); +} + +static int snd_korg1212_playback_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *src, unsigned long count) +{ + return snd_korg1212_copy_from(substream, (void __user *)src, + pos, count, true); +} + +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, + void __user *dst, unsigned long count) +{ + return snd_korg1212_copy_to(substream, dst, pos, count, false); +} + +static int snd_korg1212_capture_copy_kernel(struct snd_pcm_substream *substream, + int channel, unsigned long pos, + void *dst, unsigned long count) +{ + return snd_korg1212_copy_to(substream, (void __user *)dst, + pos, count, true); +} + +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, + .pointer = snd_korg1212_playback_pointer, + .copy_user = snd_korg1212_playback_copy, + .copy_kernel = snd_korg1212_playback_copy_kernel, + .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, + .pointer = snd_korg1212_capture_pointer, + .copy_user = snd_korg1212_capture_copy, + .copy_kernel = snd_korg1212_capture_copy_kernel, +}; + +/* + * 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; +} + +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) +{ + return snd_ctl_enum_info(uinfo, 1, 3, clockSourceTypeName); +} + +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 const 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 snd_korg1212_proc_init(struct snd_korg1212 *korg1212) +{ + snd_card_ro_proc_new(korg1212->card, "korg1212", korg1212, + snd_korg1212_proc_read); +} + +static void +snd_korg1212_free(struct snd_card *card) +{ + struct snd_korg1212 *korg1212 = card->private_data; + + snd_korg1212_TurnOffIdleMonitor(korg1212); + snd_korg1212_DisableCardInterrupts(korg1212); +} + +static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci) + +{ + int err, rc; + unsigned int i; + __maybe_unused unsigned iomem_size; + __maybe_unused unsigned ioport_size; + __maybe_unused unsigned iomem2_size; + struct snd_korg1212 *korg1212 = card->private_data; + const struct firmware *dsp_code; + + err = pcim_enable_device(pci); + if (err < 0) + return err; + + korg1212->card = card; + korg1212->pci = pci; + + init_waitqueue_head(&korg1212->wait); + spin_lock_init(&korg1212->lock); + mutex_init(&korg1212->open_mutex); + timer_setup(&korg1212->timer, snd_korg1212_timer_func, 0); + + 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; + + err = pcim_iomap_regions_request_all(pci, 1 << 0, "korg1212"); + if (err < 0) + 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]); + + korg1212->iobase = pcim_iomap_table(pci)[0]; + + err = devm_request_irq(&pci->dev, 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); + return -EBUSY; + } + + korg1212->irq = pci->irq; + card->sync_irq = korg1212->irq; + card->private_free = snd_korg1212_free; + + 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]); + + korg1212->dma_shared = snd_devm_alloc_pages(&pci->dev, + SNDRV_DMA_TYPE_DEV, + sizeof(struct KorgSharedBuffer)); + if (!korg1212->dma_shared) + 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; + korg1212->dma_play = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, + korg1212->DataBufsSize); + if (!korg1212->dma_play) + 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); + + korg1212->dma_rec = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, + korg1212->DataBufsSize); + if (!korg1212->dma_rec) + 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) { + snd_printk(KERN_ERR "firmware not available\n"); + return err; + } + + korg1212->dma_dsp = snd_devm_alloc_pages(&pci->dev, SNDRV_DMA_TYPE_DEV, + dsp_code->size); + if (!korg1212->dma_dsp) { + 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]); + + 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)); + + err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm); + if (err < 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); + + return 0; +} + +/* + * Card initialisation + */ + +static int +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_devm_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE, + sizeof(*korg1212), &card); + if (err < 0) + return err; + korg1212 = card->private_data; + + err = snd_korg1212_create(card, pci); + if (err < 0) + goto error; + + 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); + + err = snd_card_register(card); + if (err < 0) + goto error; + pci_set_drvdata(pci, card); + dev++; + return 0; + + error: + snd_card_free(card); + return err; +} + +static struct pci_driver korg1212_driver = { + .name = KBUILD_MODNAME, + .id_table = snd_korg1212_ids, + .probe = snd_korg1212_probe, +}; + +module_pci_driver(korg1212_driver); |