--- /dev/null
+/*
+ * Driver for the Korg 1212 IO PCI card
+ *
+ * Copyright (c) 2001 Haroldo Gamal <gamal@alternex.com.br>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/wait.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/firmware.h>
+#include <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,...)
+#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_SUPPORTED_DEVICE("{{KORG,korg1212}}");
+MODULE_FIRMWARE("korg/k1212.dsp");
+
+static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
+static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
+static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
+
+module_param_array(index, int, NULL, 0444);
+MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
+module_param_array(id, charp, NULL, 0444);
+MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
+module_param_array(enable, bool, NULL, 0444);
+MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
+MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
+
+static 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 char *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 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(unsigned long data)
+{
+ struct snd_korg1212 *korg1212 = (struct snd_korg1212 *) data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+ if (korg1212->sharedBufferPtr->cardCommand == 0) {
+ /* ack'ed */
+ korg1212->stop_pending_cnt = 0;
+ korg1212->dsp_stop_is_processed = 1;
+ wake_up(&korg1212->wait);
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: Stop ack'ed [%s]\n",
+ stateName[korg1212->cardState]);
+ } else {
+ if (--korg1212->stop_pending_cnt > 0) {
+ /* reprogram timer */
+ 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 enum ClockSourceIndex s44[] = {
+ K1212_CLKIDX_AdatAt44_1K,
+ K1212_CLKIDX_WordAt44_1K,
+ K1212_CLKIDX_LocalAt44_1K
+ };
+ static enum ClockSourceIndex s48[] = {
+ K1212_CLKIDX_AdatAt48K,
+ K1212_CLKIDX_WordAt48K,
+ K1212_CLKIDX_LocalAt48K
+ };
+ int parm, rc;
+
+ if (!snd_korg1212_use_is_exclusive (korg1212))
+ return -EBUSY;
+
+ switch (rate) {
+ case 44100:
+ parm = s44[korg1212->clkSource];
+ break;
+
+ case 48000:
+ parm = s48[korg1212->clkSource];
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ korg1212->clkSrcRate = parm;
+ korg1212->clkRate = rate;
+
+ udelay(INTERCOMMAND_DELAY);
+ rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
+ ClockSourceSelector[korg1212->clkSrcRate],
+ 0, 0, 0);
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ return 0;
+}
+
+static int snd_korg1212_SetClockSource(struct snd_korg1212 *korg1212, int source)
+{
+
+ if (source < 0 || source > 2)
+ return -EINVAL;
+
+ korg1212->clkSource = source;
+
+ snd_korg1212_SetRate(korg1212, korg1212->clkRate);
+
+ return 0;
+}
+
+static void snd_korg1212_DisableCardInterrupts(struct snd_korg1212 *korg1212)
+{
+ writel(0, korg1212->statusRegPtr);
+}
+
+static int snd_korg1212_WriteADCSensitivity(struct snd_korg1212 *korg1212)
+{
+ struct SensBits sensVals;
+ int bitPosition;
+ int channel;
+ int clkIs48K;
+ int monModeSet;
+ u16 controlValue; // this keeps the current value to be written to
+ // the card's eeprom control register.
+ u16 count;
+ unsigned long flags;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity [%s]\n",
+ stateName[korg1212->cardState]);
+
+ // ----------------------------------------------------------------------------
+ // initialize things. The local init bit is always set when writing to the
+ // card's control register.
+ // ----------------------------------------------------------------------------
+ controlValue = 0;
+ SetBitInWord(&controlValue, SET_SENS_LOCALINIT_BITPOS); // init the control value
+
+ // ----------------------------------------------------------------------------
+ // make sure the card is not in monitor mode when we do this update.
+ // ----------------------------------------------------------------------------
+ if (korg1212->cardState == K1212_STATE_MONITOR || korg1212->idleMonitorOn) {
+ monModeSet = 1;
+ snd_korg1212_SendStopAndWait(korg1212);
+ } else
+ monModeSet = 0;
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ // ----------------------------------------------------------------------------
+ // we are about to send new values to the card, so clear the new values queued
+ // flag. Also, clear out mailbox 3, so we don't lockup.
+ // ----------------------------------------------------------------------------
+ writel(0, korg1212->mailbox3Ptr);
+ udelay(LOADSHIFT_DELAY);
+
+ // ----------------------------------------------------------------------------
+ // determine whether we are running a 48K or 44.1K clock. This info is used
+ // later when setting the SPDIF FF after the volume has been shifted in.
+ // ----------------------------------------------------------------------------
+ switch (korg1212->clkSrcRate) {
+ case K1212_CLKIDX_AdatAt44_1K:
+ case K1212_CLKIDX_WordAt44_1K:
+ case K1212_CLKIDX_LocalAt44_1K:
+ clkIs48K = 0;
+ break;
+
+ case K1212_CLKIDX_WordAt48K:
+ case K1212_CLKIDX_AdatAt48K:
+ case K1212_CLKIDX_LocalAt48K:
+ default:
+ clkIs48K = 1;
+ break;
+ }
+
+ // ----------------------------------------------------------------------------
+ // start the update. Setup the bit structure and then shift the bits.
+ // ----------------------------------------------------------------------------
+ sensVals.l.v.leftChanId = SET_SENS_LEFTCHANID;
+ sensVals.r.v.rightChanId = SET_SENS_RIGHTCHANID;
+ sensVals.l.v.leftChanVal = korg1212->leftADCInSens;
+ sensVals.r.v.rightChanVal = korg1212->rightADCInSens;
+
+ // ----------------------------------------------------------------------------
+ // now start shifting the bits in. Start with the left channel then the right.
+ // ----------------------------------------------------------------------------
+ for (channel = 0; channel < 2; channel++) {
+
+ // ----------------------------------------------------------------------------
+ // Bring the load/shift line low, then wait - the spec says >150ns from load/
+ // shift low to the first rising edge of the clock.
+ // ----------------------------------------------------------------------------
+ ClearBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
+ ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // load/shift goes low
+ udelay(LOADSHIFT_DELAY);
+
+ for (bitPosition = 15; bitPosition >= 0; bitPosition--) { // for all the bits
+ if (channel == 0) {
+ if (sensVals.l.leftSensBits & (0x0001 << bitPosition))
+ SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
+ else
+ ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
+ } else {
+ if (sensVals.r.rightSensBits & (0x0001 << bitPosition))
+ SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set high
+ else
+ ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS); // data bit set low
+ }
+
+ ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // clock goes low
+ udelay(SENSCLKPULSE_WIDTH);
+ SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // clock goes high
+ udelay(SENSCLKPULSE_WIDTH);
+ }
+
+ // ----------------------------------------------------------------------------
+ // finish up SPDIF for left. Bring the load/shift line high, then write a one
+ // bit if the clock rate is 48K otherwise write 0.
+ // ----------------------------------------------------------------------------
+ ClearBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
+ ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
+ SetBitInWord(&controlValue, SET_SENS_LOADSHIFT_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // load shift goes high - clk low
+ udelay(SENSCLKPULSE_WIDTH);
+
+ if (clkIs48K)
+ SetBitInWord(&controlValue, SET_SENS_DATA_BITPOS);
+
+ writew(controlValue, korg1212->sensRegPtr); // set/clear data bit
+ udelay(ONE_RTC_TICK);
+ SetBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // clock goes high
+ udelay(SENSCLKPULSE_WIDTH);
+ ClearBitInWord(&controlValue, SET_SENS_CLOCK_BITPOS);
+ writew(controlValue, korg1212->sensRegPtr); // clock goes low
+ udelay(SENSCLKPULSE_WIDTH);
+ }
+
+ // ----------------------------------------------------------------------------
+ // The update is complete. Set a timeout. This is the inter-update delay.
+ // Also, if the card was in monitor mode, restore it.
+ // ----------------------------------------------------------------------------
+ for (count = 0; count < 10; count++)
+ udelay(SENSCLKPULSE_WIDTH);
+
+ if (monModeSet) {
+ int rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SelectPlayMode,
+ K1212_MODE_MonitorOn, 0, 0, 0);
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: WriteADCSensivity - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+ }
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ return 1;
+}
+
+static void snd_korg1212_OnDSPDownloadComplete(struct snd_korg1212 *korg1212)
+{
+ int channel, rc;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is complete. [%s]\n",
+ stateName[korg1212->cardState]);
+
+ // ----------------------------------------------------
+ // tell the card to boot
+ // ----------------------------------------------------
+ rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_BootFromDSPPage4, 0, 0, 0, 0);
+
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Boot from Page 4 - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+ msleep(DSP_BOOT_DELAY_IN_MS);
+
+ // --------------------------------------------------------------------------------
+ // Let the card know where all the buffers are.
+ // --------------------------------------------------------------------------------
+ rc = snd_korg1212_Send1212Command(korg1212,
+ K1212_DB_ConfigureBufferMemory,
+ LowerWordSwap(korg1212->PlayDataPhy),
+ LowerWordSwap(korg1212->RecDataPhy),
+ ((kNumBuffers * kPlayBufferFrames) / 2), // size given to the card
+ // is based on 2 buffers
+ 0
+ );
+
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Buffer Memory - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ udelay(INTERCOMMAND_DELAY);
+
+ rc = snd_korg1212_Send1212Command(korg1212,
+ K1212_DB_ConfigureMiscMemory,
+ LowerWordSwap(korg1212->VolumeTablePhy),
+ LowerWordSwap(korg1212->RoutingTablePhy),
+ LowerWordSwap(korg1212->AdatTimeCodePhy),
+ 0
+ );
+
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Configure Misc Memory - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ // --------------------------------------------------------------------------------
+ // Initialize the routing and volume tables, then update the card's state.
+ // --------------------------------------------------------------------------------
+ udelay(INTERCOMMAND_DELAY);
+
+ for (channel = 0; channel < kAudioChannels; channel++) {
+ korg1212->sharedBufferPtr->volumeData[channel] = k1212MaxVolume;
+ //korg1212->sharedBufferPtr->routeData[channel] = channel;
+ korg1212->sharedBufferPtr->routeData[channel] = 8 + (channel & 1);
+ }
+
+ snd_korg1212_WriteADCSensitivity(korg1212);
+
+ udelay(INTERCOMMAND_DELAY);
+ rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_SetClockSourceRate,
+ ClockSourceSelector[korg1212->clkSrcRate],
+ 0, 0, 0);
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Set Clock Source Selector - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ rc = snd_korg1212_TurnOnIdleMonitor(korg1212);
+ snd_korg1212_setCardState(korg1212, K1212_STATE_READY);
+
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Set Monitor On - RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_COMPLETE);
+}
+
+static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id)
+{
+ u32 doorbellValue;
+ struct snd_korg1212 *korg1212 = dev_id;
+
+ doorbellValue = readl(korg1212->inDoorbellPtr);
+
+ if (!doorbellValue)
+ return IRQ_NONE;
+
+ spin_lock(&korg1212->lock);
+
+ writel(doorbellValue, korg1212->inDoorbellPtr);
+
+ korg1212->irqcount++;
+
+ korg1212->inIRQ++;
+
+ switch (doorbellValue) {
+ case K1212_DB_DSPDownloadDone:
+ K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n",
+ korg1212->irqcount, doorbellValue,
+ stateName[korg1212->cardState]);
+ if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS) {
+ korg1212->dsp_is_loaded = 1;
+ wake_up(&korg1212->wait);
+ }
+ break;
+
+ // ------------------------------------------------------------------------
+ // an error occurred - stop the card
+ // ------------------------------------------------------------------------
+ case K1212_DB_DMAERROR:
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n",
+ korg1212->irqcount, doorbellValue,
+ stateName[korg1212->cardState]);
+ snd_printk(KERN_ERR "korg1212: DMA Error\n");
+ korg1212->errorcnt++;
+ korg1212->totalerrorcnt++;
+ korg1212->sharedBufferPtr->cardCommand = 0;
+ snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
+ break;
+
+ // ------------------------------------------------------------------------
+ // the card has stopped by our request. Clear the command word and signal
+ // the semaphore in case someone is waiting for this.
+ // ------------------------------------------------------------------------
+ case K1212_DB_CARDSTOPPED:
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n",
+ korg1212->irqcount, doorbellValue,
+ stateName[korg1212->cardState]);
+ korg1212->sharedBufferPtr->cardCommand = 0;
+ break;
+
+ default:
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: IRQ DFLT count - %ld, %x, cpos=%d [%s].\n",
+ korg1212->irqcount, doorbellValue,
+ korg1212->currentBuffer, stateName[korg1212->cardState]);
+ if ((korg1212->cardState > K1212_STATE_SETUP) || korg1212->idleMonitorOn) {
+ korg1212->currentBuffer++;
+
+ if (korg1212->currentBuffer >= kNumBuffers)
+ korg1212->currentBuffer = 0;
+
+ if (!korg1212->running)
+ break;
+
+ if (korg1212->capture_substream) {
+ spin_unlock(&korg1212->lock);
+ snd_pcm_period_elapsed(korg1212->capture_substream);
+ spin_lock(&korg1212->lock);
+ }
+
+ if (korg1212->playback_substream) {
+ spin_unlock(&korg1212->lock);
+ snd_pcm_period_elapsed(korg1212->playback_substream);
+ spin_lock(&korg1212->lock);
+ }
+ }
+ break;
+ }
+
+ korg1212->inIRQ--;
+
+ spin_unlock(&korg1212->lock);
+
+ return IRQ_HANDLED;
+}
+
+static int snd_korg1212_downloadDSPCode(struct snd_korg1212 *korg1212)
+{
+ int rc;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: DSP download is starting... [%s]\n",
+ stateName[korg1212->cardState]);
+
+ // ---------------------------------------------------------------
+ // verify the state of the card before proceeding.
+ // ---------------------------------------------------------------
+ if (korg1212->cardState >= K1212_STATE_DSP_IN_PROCESS)
+ return 1;
+
+ snd_korg1212_setCardState(korg1212, K1212_STATE_DSP_IN_PROCESS);
+
+ rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_StartDSPDownload,
+ UpperWordSwap(korg1212->dma_dsp.addr),
+ 0, 0, 0);
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n",
+ rc, stateName[korg1212->cardState]);
+
+ korg1212->dsp_is_loaded = 0;
+ wait_event_timeout(korg1212->wait, korg1212->dsp_is_loaded, HZ * CARD_BOOT_TIMEOUT);
+ if (! korg1212->dsp_is_loaded )
+ return -EBUSY; /* timeout */
+
+ snd_korg1212_OnDSPDownloadComplete(korg1212);
+
+ return 0;
+}
+
+static struct snd_pcm_hardware snd_korg1212_playback_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BATCH),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 44100,
+ .rate_max = 48000,
+ .channels_min = K1212_MIN_CHANNELS,
+ .channels_max = K1212_MAX_CHANNELS,
+ .buffer_bytes_max = K1212_MAX_BUF_SIZE,
+ .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
+ .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
+ .periods_min = K1212_PERIODS,
+ .periods_max = K1212_PERIODS,
+ .fifo_size = 0,
+};
+
+static struct snd_pcm_hardware snd_korg1212_capture_info =
+{
+ .info = (SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_BATCH),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = (SNDRV_PCM_RATE_44100 |
+ SNDRV_PCM_RATE_48000),
+ .rate_min = 44100,
+ .rate_max = 48000,
+ .channels_min = K1212_MIN_CHANNELS,
+ .channels_max = K1212_MAX_CHANNELS,
+ .buffer_bytes_max = K1212_MAX_BUF_SIZE,
+ .period_bytes_min = K1212_MIN_CHANNELS * 2 * kPlayBufferFrames,
+ .period_bytes_max = K1212_MAX_CHANNELS * 2 * kPlayBufferFrames,
+ .periods_min = K1212_PERIODS,
+ .periods_max = K1212_PERIODS,
+ .fifo_size = 0,
+};
+
+static int snd_korg1212_silence(struct snd_korg1212 *korg1212, int pos, int count, int offset, int size)
+{
+ struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
+ int i;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_silence pos=%d offset=%d size=%d count=%d\n",
+ pos, offset, size, count);
+ if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
+ return -EINVAL;
+
+ for (i=0; i < count; i++) {
+#if K1212_DEBUG_LEVEL > 0
+ if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
+ (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
+ printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_silence KERNEL EFAULT dst=%p iter=%d\n",
+ dst, i);
+ return -EFAULT;
+ }
+#endif
+ memset((void*) dst + offset, 0, size);
+ dst++;
+ }
+
+ return 0;
+}
+
+static int snd_korg1212_copy_to(struct snd_korg1212 *korg1212, void __user *dst, int pos, int count, int offset, int size)
+{
+ struct KorgAudioFrame * src = korg1212->recordDataBufsPtr[0].bufferData + pos;
+ int i, rc;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_to pos=%d offset=%d size=%d\n",
+ pos, offset, size);
+ if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
+ return -EINVAL;
+
+ for (i=0; i < count; i++) {
+#if K1212_DEBUG_LEVEL > 0
+ if ( (void *) src < (void *) korg1212->recordDataBufsPtr ||
+ (void *) src > (void *) korg1212->recordDataBufsPtr[8].bufferData ) {
+ printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_to KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
+ return -EFAULT;
+ }
+#endif
+ rc = copy_to_user(dst + offset, src, size);
+ if (rc) {
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_to USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
+ return -EFAULT;
+ }
+ src++;
+ dst += size;
+ }
+
+ return 0;
+}
+
+static int snd_korg1212_copy_from(struct snd_korg1212 *korg1212, void __user *src, int pos, int count, int offset, int size)
+{
+ struct KorgAudioFrame * dst = korg1212->playDataBufsPtr[0].bufferData + pos;
+ int i, rc;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_copy_from pos=%d offset=%d size=%d count=%d\n",
+ pos, offset, size, count);
+
+ if (snd_BUG_ON(pos + count > K1212_MAX_SAMPLES))
+ return -EINVAL;
+
+ for (i=0; i < count; i++) {
+#if K1212_DEBUG_LEVEL > 0
+ if ( (void *) dst < (void *) korg1212->playDataBufsPtr ||
+ (void *) dst > (void *) korg1212->playDataBufsPtr[8].bufferData ) {
+ printk(KERN_DEBUG "K1212_DEBUG: snd_korg1212_copy_from KERNEL EFAULT, src=%p dst=%p iter=%d\n", src, dst, i);
+ return -EFAULT;
+ }
+#endif
+ rc = copy_from_user((void*) dst + offset, src, size);
+ if (rc) {
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_copy_from USER EFAULT src=%p dst=%p iter=%d\n", src, dst, i);
+ return -EFAULT;
+ }
+ dst++;
+ src += size;
+ }
+
+ return 0;
+}
+
+static void snd_korg1212_free_pcm(struct snd_pcm *pcm)
+{
+ struct snd_korg1212 *korg1212 = pcm->private_data;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_free_pcm [%s]\n",
+ stateName[korg1212->cardState]);
+
+ korg1212->pcm = NULL;
+}
+
+static int snd_korg1212_playback_open(struct snd_pcm_substream *substream)
+{
+ unsigned long flags;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_open [%s]\n",
+ stateName[korg1212->cardState]);
+
+ snd_korg1212_OpenCard(korg1212);
+
+ runtime->hw = snd_korg1212_playback_info;
+ snd_pcm_set_runtime_buffer(substream, &korg1212->dma_play);
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ korg1212->playback_substream = substream;
+ korg1212->playback_pid = current->pid;
+ korg1212->periodsize = K1212_PERIODS;
+ korg1212->channels = K1212_CHANNELS;
+ korg1212->errorcnt = 0;
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, kPlayBufferFrames, kPlayBufferFrames);
+ return 0;
+}
+
+
+static int snd_korg1212_capture_open(struct snd_pcm_substream *substream)
+{
+ unsigned long flags;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n",
+ stateName[korg1212->cardState]);
+
+ snd_korg1212_OpenCard(korg1212);
+
+ runtime->hw = snd_korg1212_capture_info;
+ snd_pcm_set_runtime_buffer(substream, &korg1212->dma_rec);
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ korg1212->capture_substream = substream;
+ korg1212->capture_pid = current->pid;
+ korg1212->periodsize = K1212_PERIODS;
+ korg1212->channels = K1212_CHANNELS;
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ kPlayBufferFrames, kPlayBufferFrames);
+ return 0;
+}
+
+static int snd_korg1212_playback_close(struct snd_pcm_substream *substream)
+{
+ unsigned long flags;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_playback_close [%s]\n",
+ stateName[korg1212->cardState]);
+
+ snd_korg1212_silence(korg1212, 0, K1212_MAX_SAMPLES, 0, korg1212->channels * 2);
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ korg1212->playback_pid = -1;
+ korg1212->playback_substream = NULL;
+ korg1212->periodsize = 0;
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ snd_korg1212_CloseCard(korg1212);
+ return 0;
+}
+
+static int snd_korg1212_capture_close(struct snd_pcm_substream *substream)
+{
+ unsigned long flags;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_close [%s]\n",
+ stateName[korg1212->cardState]);
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ korg1212->capture_pid = -1;
+ korg1212->capture_substream = NULL;
+ korg1212->periodsize = 0;
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ snd_korg1212_CloseCard(korg1212);
+ return 0;
+}
+
+static int snd_korg1212_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_ioctl: cmd=%d\n", cmd);
+
+ if (cmd == SNDRV_PCM_IOCTL1_CHANNEL_INFO ) {
+ struct snd_pcm_channel_info *info = arg;
+ info->offset = 0;
+ info->first = info->channel * 16;
+ info->step = 256;
+ K1212_DEBUG_PRINTK("K1212_DEBUG: channel_info %d:, offset=%ld, first=%d, step=%d\n", info->channel, info->offset, info->first, info->step);
+ return 0;
+ }
+
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+static int snd_korg1212_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ unsigned long flags;
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ int err;
+ pid_t this_pid;
+ pid_t other_pid;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n",
+ stateName[korg1212->cardState]);
+
+ spin_lock_irqsave(&korg1212->lock, flags);
+
+ if (substream->pstr->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ this_pid = korg1212->playback_pid;
+ other_pid = korg1212->capture_pid;
+ } else {
+ this_pid = korg1212->capture_pid;
+ other_pid = korg1212->playback_pid;
+ }
+
+ if ((other_pid > 0) && (this_pid != other_pid)) {
+
+ /* The other stream is open, and not by the same
+ task as this one. Make sure that the parameters
+ that matter are the same.
+ */
+
+ if ((int)params_rate(params) != korg1212->clkRate) {
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+ _snd_pcm_hw_param_setempty(params, SNDRV_PCM_HW_PARAM_RATE);
+ return -EBUSY;
+ }
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+ return 0;
+ }
+
+ if ((err = snd_korg1212_SetRate(korg1212, params_rate(params))) < 0) {
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+ return err;
+ }
+
+ korg1212->channels = params_channels(params);
+ korg1212->periodsize = K1212_PERIOD_BYTES;
+
+ spin_unlock_irqrestore(&korg1212->lock, flags);
+
+ return 0;
+}
+
+static int snd_korg1212_prepare(struct snd_pcm_substream *substream)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ int rc;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare [%s]\n",
+ stateName[korg1212->cardState]);
+
+ spin_lock_irq(&korg1212->lock);
+
+ /* FIXME: we should wait for ack! */
+ if (korg1212->stop_pending_cnt > 0) {
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_prepare - Stop is pending... [%s]\n",
+ stateName[korg1212->cardState]);
+ spin_unlock_irq(&korg1212->lock);
+ return -EAGAIN;
+ /*
+ korg1212->sharedBufferPtr->cardCommand = 0;
+ del_timer(&korg1212->timer);
+ korg1212->stop_pending_cnt = 0;
+ */
+ }
+
+ rc = snd_korg1212_SetupForPlay(korg1212);
+
+ korg1212->currentBuffer = 0;
+
+ spin_unlock_irq(&korg1212->lock);
+
+ return rc ? -EINVAL : 0;
+}
+
+static int snd_korg1212_trigger(struct snd_pcm_substream *substream,
+ int cmd)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ int rc;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_trigger [%s] cmd=%d\n",
+ stateName[korg1212->cardState], cmd);
+
+ spin_lock(&korg1212->lock);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+/*
+ if (korg1212->running) {
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already running?\n");
+ break;
+ }
+*/
+ korg1212->running++;
+ rc = snd_korg1212_TriggerPlay(korg1212);
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+/*
+ if (!korg1212->running) {
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_trigger: Already stopped?\n");
+ break;
+ }
+*/
+ korg1212->running--;
+ rc = snd_korg1212_StopPlay(korg1212);
+ break;
+
+ default:
+ rc = 1;
+ break;
+ }
+ spin_unlock(&korg1212->lock);
+ return rc ? -EINVAL : 0;
+}
+
+static snd_pcm_uframes_t snd_korg1212_playback_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ snd_pcm_uframes_t pos;
+
+ pos = korg1212->currentBuffer * kPlayBufferFrames;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_pointer [%s] %ld\n",
+ stateName[korg1212->cardState], pos);
+
+ return pos;
+}
+
+static snd_pcm_uframes_t snd_korg1212_capture_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+ snd_pcm_uframes_t pos;
+
+ pos = korg1212->currentBuffer * kPlayBufferFrames;
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_pointer [%s] %ld\n",
+ stateName[korg1212->cardState], pos);
+
+ return pos;
+}
+
+static int snd_korg1212_playback_copy(struct snd_pcm_substream *substream,
+ int channel, /* not used (interleaved data) */
+ snd_pcm_uframes_t pos,
+ void __user *src,
+ snd_pcm_uframes_t count)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_copy [%s] %ld %ld\n",
+ stateName[korg1212->cardState], pos, count);
+
+ return snd_korg1212_copy_from(korg1212, src, pos, count, 0, korg1212->channels * 2);
+
+}
+
+static int snd_korg1212_playback_silence(struct snd_pcm_substream *substream,
+ int channel, /* not used (interleaved data) */
+ snd_pcm_uframes_t pos,
+ snd_pcm_uframes_t count)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_playback_silence [%s]\n",
+ stateName[korg1212->cardState]);
+
+ return snd_korg1212_silence(korg1212, pos, count, 0, korg1212->channels * 2);
+}
+
+static int snd_korg1212_capture_copy(struct snd_pcm_substream *substream,
+ int channel, /* not used (interleaved data) */
+ snd_pcm_uframes_t pos,
+ void __user *dst,
+ snd_pcm_uframes_t count)
+{
+ struct snd_korg1212 *korg1212 = snd_pcm_substream_chip(substream);
+
+ K1212_DEBUG_PRINTK_VERBOSE("K1212_DEBUG: snd_korg1212_capture_copy [%s] %ld %ld\n",
+ stateName[korg1212->cardState], pos, count);
+
+ return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2);
+}
+
+static struct snd_pcm_ops snd_korg1212_playback_ops = {
+ .open = snd_korg1212_playback_open,
+ .close = snd_korg1212_playback_close,
+ .ioctl = snd_korg1212_ioctl,
+ .hw_params = snd_korg1212_hw_params,
+ .prepare = snd_korg1212_prepare,
+ .trigger = snd_korg1212_trigger,
+ .pointer = snd_korg1212_playback_pointer,
+ .copy = snd_korg1212_playback_copy,
+ .silence = snd_korg1212_playback_silence,
+};
+
+static struct snd_pcm_ops snd_korg1212_capture_ops = {
+ .open = snd_korg1212_capture_open,
+ .close = snd_korg1212_capture_close,
+ .ioctl = snd_korg1212_ioctl,
+ .hw_params = snd_korg1212_hw_params,
+ .prepare = snd_korg1212_prepare,
+ .trigger = snd_korg1212_trigger,
+ .pointer = snd_korg1212_capture_pointer,
+ .copy = snd_korg1212_capture_copy,
+};
+
+/*
+ * Control Interface
+ */
+
+static int snd_korg1212_control_phase_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
+ return 0;
+}
+
+static int snd_korg1212_control_phase_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *u)
+{
+ struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
+ int i = kcontrol->private_value;
+
+ spin_lock_irq(&korg1212->lock);
+
+ u->value.integer.value[0] = korg1212->volumePhase[i];
+
+ if (i >= 8)
+ u->value.integer.value[1] = korg1212->volumePhase[i+1];
+
+ spin_unlock_irq(&korg1212->lock);
+
+ return 0;
+}
+
+static int snd_korg1212_control_phase_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *u)
+{
+ struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
+ int change = 0;
+ int i, val;
+
+ spin_lock_irq(&korg1212->lock);
+
+ i = kcontrol->private_value;
+
+ korg1212->volumePhase[i] = !!u->value.integer.value[0];
+
+ val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value];
+
+ if ((u->value.integer.value[0] != 0) != (val < 0)) {
+ val = abs(val) * (korg1212->volumePhase[i] > 0 ? -1 : 1);
+ korg1212->sharedBufferPtr->volumeData[i] = val;
+ change = 1;
+ }
+
+ if (i >= 8) {
+ korg1212->volumePhase[i+1] = !!u->value.integer.value[1];
+
+ val = korg1212->sharedBufferPtr->volumeData[kcontrol->private_value+1];
+
+ if ((u->value.integer.value[1] != 0) != (val < 0)) {
+ val = abs(val) * (korg1212->volumePhase[i+1] > 0 ? -1 : 1);
+ korg1212->sharedBufferPtr->volumeData[i+1] = val;
+ change = 1;
+ }
+ }
+
+ spin_unlock_irq(&korg1212->lock);
+
+ return change;
+}
+
+static int snd_korg1212_control_volume_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = (kcontrol->private_value >= 8) ? 2 : 1;
+ uinfo->value.integer.min = k1212MinVolume;
+ uinfo->value.integer.max = k1212MaxVolume;
+ return 0;
+}
+
+static int snd_korg1212_control_volume_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *u)
+{
+ struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
+ int i;
+
+ spin_lock_irq(&korg1212->lock);
+
+ i = kcontrol->private_value;
+ u->value.integer.value[0] = abs(korg1212->sharedBufferPtr->volumeData[i]);
+
+ if (i >= 8)
+ u->value.integer.value[1] = abs(korg1212->sharedBufferPtr->volumeData[i+1]);
+
+ spin_unlock_irq(&korg1212->lock);
+
+ return 0;
+}
+
+static int snd_korg1212_control_volume_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *u)
+{
+ struct snd_korg1212 *korg1212 = snd_kcontrol_chip(kcontrol);
+ int change = 0;
+ int i;
+ int val;
+
+ spin_lock_irq(&korg1212->lock);
+
+ i = kcontrol->private_value;
+
+ if (u->value.integer.value[0] >= k1212MinVolume &&
+ u->value.integer.value[0] >= k1212MaxVolume &&
+ u->value.integer.value[0] !=
+ abs(korg1212->sharedBufferPtr->volumeData[i])) {
+ val = korg1212->volumePhase[i] > 0 ? -1 : 1;
+ val *= u->value.integer.value[0];
+ korg1212->sharedBufferPtr->volumeData[i] = val;
+ change = 1;
+ }
+
+ if (i >= 8) {
+ if (u->value.integer.value[1] >= k1212MinVolume &&
+ u->value.integer.value[1] >= k1212MaxVolume &&
+ u->value.integer.value[1] !=
+ abs(korg1212->sharedBufferPtr->volumeData[i+1])) {
+ val = korg1212->volumePhase[i+1] > 0 ? -1 : 1;
+ val *= u->value.integer.value[1];
+ korg1212->sharedBufferPtr->volumeData[i+1] = val;
+ change = 1;
+ }
+ }
+
+ spin_unlock_irq(&korg1212->lock);
+
+ return change;
+}
+
+static int snd_korg1212_control_route_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ 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 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)
+{
+ struct snd_info_entry *entry;
+
+ if (! snd_card_proc_new(korg1212->card, "korg1212", &entry))
+ snd_info_set_text_ops(entry, korg1212, snd_korg1212_proc_read);
+}
+
+static int
+snd_korg1212_free(struct snd_korg1212 *korg1212)
+{
+ snd_korg1212_TurnOffIdleMonitor(korg1212);
+
+ if (korg1212->irq >= 0) {
+ snd_korg1212_DisableCardInterrupts(korg1212);
+ free_irq(korg1212->irq, korg1212);
+ korg1212->irq = -1;
+ }
+
+ if (korg1212->iobase != NULL) {
+ iounmap(korg1212->iobase);
+ korg1212->iobase = NULL;
+ }
+
+ pci_release_regions(korg1212->pci);
+
+ // ----------------------------------------------------
+ // free up memory resources used for the DSP download.
+ // ----------------------------------------------------
+ if (korg1212->dma_dsp.area) {
+ snd_dma_free_pages(&korg1212->dma_dsp);
+ korg1212->dma_dsp.area = NULL;
+ }
+
+#ifndef K1212_LARGEALLOC
+
+ // ------------------------------------------------------
+ // free up memory resources used for the Play/Rec Buffers
+ // ------------------------------------------------------
+ if (korg1212->dma_play.area) {
+ snd_dma_free_pages(&korg1212->dma_play);
+ korg1212->dma_play.area = NULL;
+ }
+
+ if (korg1212->dma_rec.area) {
+ snd_dma_free_pages(&korg1212->dma_rec);
+ korg1212->dma_rec.area = NULL;
+ }
+
+#endif
+
+ // ----------------------------------------------------
+ // free up memory resources used for the Shared Buffers
+ // ----------------------------------------------------
+ if (korg1212->dma_shared.area) {
+ snd_dma_free_pages(&korg1212->dma_shared);
+ korg1212->dma_shared.area = NULL;
+ }
+
+ pci_disable_device(korg1212->pci);
+ kfree(korg1212);
+ return 0;
+}
+
+static int snd_korg1212_dev_free(struct snd_device *device)
+{
+ struct snd_korg1212 *korg1212 = device->device_data;
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Freeing device\n");
+ return snd_korg1212_free(korg1212);
+}
+
+static int snd_korg1212_create(struct snd_card *card, struct pci_dev *pci,
+ struct snd_korg1212 **rchip)
+
+{
+ int err, rc;
+ unsigned int i;
+ unsigned ioport_size, iomem_size, iomem2_size;
+ struct snd_korg1212 * korg1212;
+ const struct firmware *dsp_code;
+
+ static struct snd_device_ops ops = {
+ .dev_free = snd_korg1212_dev_free,
+ };
+
+ * rchip = NULL;
+ if ((err = pci_enable_device(pci)) < 0)
+ return err;
+
+ korg1212 = kzalloc(sizeof(*korg1212), GFP_KERNEL);
+ if (korg1212 == NULL) {
+ pci_disable_device(pci);
+ return -ENOMEM;
+ }
+
+ korg1212->card = card;
+ korg1212->pci = pci;
+
+ init_waitqueue_head(&korg1212->wait);
+ spin_lock_init(&korg1212->lock);
+ mutex_init(&korg1212->open_mutex);
+ setup_timer(&korg1212->timer, snd_korg1212_timer_func,
+ (unsigned long)korg1212);
+
+ korg1212->irq = -1;
+ korg1212->clkSource = K1212_CLKIDX_Local;
+ korg1212->clkRate = 44100;
+ korg1212->inIRQ = 0;
+ korg1212->running = 0;
+ korg1212->opencnt = 0;
+ korg1212->playcnt = 0;
+ korg1212->setcnt = 0;
+ korg1212->totalerrorcnt = 0;
+ korg1212->playback_pid = -1;
+ korg1212->capture_pid = -1;
+ snd_korg1212_setCardState(korg1212, K1212_STATE_UNINITIALIZED);
+ korg1212->idleMonitorOn = 0;
+ korg1212->clkSrcRate = K1212_CLKIDX_LocalAt44_1K;
+ korg1212->leftADCInSens = k1212MaxADCSens;
+ korg1212->rightADCInSens = k1212MaxADCSens;
+
+ for (i=0; i<kAudioChannels; i++)
+ korg1212->volumePhase[i] = 0;
+
+ if ((err = pci_request_regions(pci, "korg1212")) < 0) {
+ kfree(korg1212);
+ pci_disable_device(pci);
+ return err;
+ }
+
+ korg1212->iomem = pci_resource_start(korg1212->pci, 0);
+ korg1212->ioport = pci_resource_start(korg1212->pci, 1);
+ korg1212->iomem2 = pci_resource_start(korg1212->pci, 2);
+
+ iomem_size = pci_resource_len(korg1212->pci, 0);
+ ioport_size = pci_resource_len(korg1212->pci, 1);
+ iomem2_size = pci_resource_len(korg1212->pci, 2);
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: resources:\n"
+ " iomem = 0x%lx (%d)\n"
+ " ioport = 0x%lx (%d)\n"
+ " iomem = 0x%lx (%d)\n"
+ " [%s]\n",
+ korg1212->iomem, iomem_size,
+ korg1212->ioport, ioport_size,
+ korg1212->iomem2, iomem2_size,
+ stateName[korg1212->cardState]);
+
+ if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
+ snd_printk(KERN_ERR "korg1212: unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
+ korg1212->iomem + iomem_size - 1);
+ snd_korg1212_free(korg1212);
+ return -EBUSY;
+ }
+
+ err = request_irq(pci->irq, snd_korg1212_interrupt,
+ IRQF_SHARED,
+ KBUILD_MODNAME, korg1212);
+
+ if (err) {
+ snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
+ snd_korg1212_free(korg1212);
+ return -EBUSY;
+ }
+
+ korg1212->irq = pci->irq;
+
+ pci_set_master(korg1212->pci);
+
+ korg1212->statusRegPtr = (u32 __iomem *) (korg1212->iobase + STATUS_REG_OFFSET);
+ korg1212->outDoorbellPtr = (u32 __iomem *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
+ korg1212->inDoorbellPtr = (u32 __iomem *) (korg1212->iobase + IN_DOORBELL_OFFSET);
+ korg1212->mailbox0Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX0_OFFSET);
+ korg1212->mailbox1Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX1_OFFSET);
+ korg1212->mailbox2Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX2_OFFSET);
+ korg1212->mailbox3Ptr = (u32 __iomem *) (korg1212->iobase + MAILBOX3_OFFSET);
+ korg1212->controlRegPtr = (u32 __iomem *) (korg1212->iobase + PCI_CONTROL_OFFSET);
+ korg1212->sensRegPtr = (u16 __iomem *) (korg1212->iobase + SENS_CONTROL_OFFSET);
+ korg1212->idRegPtr = (u32 __iomem *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
+ " Status register = 0x%p\n"
+ " OutDoorbell = 0x%p\n"
+ " InDoorbell = 0x%p\n"
+ " Mailbox0 = 0x%p\n"
+ " Mailbox1 = 0x%p\n"
+ " Mailbox2 = 0x%p\n"
+ " Mailbox3 = 0x%p\n"
+ " ControlReg = 0x%p\n"
+ " SensReg = 0x%p\n"
+ " IDReg = 0x%p\n"
+ " [%s]\n",
+ korg1212->statusRegPtr,
+ korg1212->outDoorbellPtr,
+ korg1212->inDoorbellPtr,
+ korg1212->mailbox0Ptr,
+ korg1212->mailbox1Ptr,
+ korg1212->mailbox2Ptr,
+ korg1212->mailbox3Ptr,
+ korg1212->controlRegPtr,
+ korg1212->sensRegPtr,
+ korg1212->idRegPtr,
+ stateName[korg1212->cardState]);
+
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ sizeof(struct KorgSharedBuffer), &korg1212->dma_shared) < 0) {
+ snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(struct KorgSharedBuffer));
+ snd_korg1212_free(korg1212);
+ return -ENOMEM;
+ }
+ korg1212->sharedBufferPtr = (struct KorgSharedBuffer *)korg1212->dma_shared.area;
+ korg1212->sharedBufferPhy = korg1212->dma_shared.addr;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Shared Buffer Area = 0x%p (0x%08lx), %d bytes\n", korg1212->sharedBufferPtr, korg1212->sharedBufferPhy, sizeof(struct KorgSharedBuffer));
+
+#ifndef K1212_LARGEALLOC
+
+ korg1212->DataBufsSize = sizeof(struct KorgAudioBuffer) * kNumBuffers;
+
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
+ snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
+ snd_korg1212_free(korg1212);
+ return -ENOMEM;
+ }
+ korg1212->playDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_play.area;
+ korg1212->PlayDataPhy = korg1212->dma_play.addr;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Play Data Area = 0x%p (0x%08x), %d bytes\n",
+ korg1212->playDataBufsPtr, korg1212->PlayDataPhy, korg1212->DataBufsSize);
+
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
+ snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
+ snd_korg1212_free(korg1212);
+ return -ENOMEM;
+ }
+ korg1212->recordDataBufsPtr = (struct KorgAudioBuffer *)korg1212->dma_rec.area;
+ korg1212->RecDataPhy = korg1212->dma_rec.addr;
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
+ korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
+
+#else // K1212_LARGEALLOC
+
+ korg1212->recordDataBufsPtr = korg1212->sharedBufferPtr->recordDataBufs;
+ korg1212->playDataBufsPtr = korg1212->sharedBufferPtr->playDataBufs;
+ korg1212->PlayDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->playDataBufs;
+ korg1212->RecDataPhy = (u32) &((struct KorgSharedBuffer *) korg1212->sharedBufferPhy)->recordDataBufs;
+
+#endif // K1212_LARGEALLOC
+
+ korg1212->VolumeTablePhy = korg1212->sharedBufferPhy +
+ offsetof(struct KorgSharedBuffer, volumeData);
+ korg1212->RoutingTablePhy = korg1212->sharedBufferPhy +
+ offsetof(struct KorgSharedBuffer, routeData);
+ korg1212->AdatTimeCodePhy = korg1212->sharedBufferPhy +
+ offsetof(struct KorgSharedBuffer, AdatTimeCode);
+
+ err = request_firmware(&dsp_code, "korg/k1212.dsp", &pci->dev);
+ if (err < 0) {
+ release_firmware(dsp_code);
+ snd_printk(KERN_ERR "firmware not available\n");
+ snd_korg1212_free(korg1212);
+ return err;
+ }
+
+ if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
+ dsp_code->size, &korg1212->dma_dsp) < 0) {
+ snd_printk(KERN_ERR "korg1212: cannot allocate dsp code memory (%zd bytes)\n", dsp_code->size);
+ snd_korg1212_free(korg1212);
+ release_firmware(dsp_code);
+ return -ENOMEM;
+ }
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: DSP Code area = 0x%p (0x%08x) %d bytes [%s]\n",
+ korg1212->dma_dsp.area, korg1212->dma_dsp.addr, dsp_code->size,
+ stateName[korg1212->cardState]);
+
+ memcpy(korg1212->dma_dsp.area, dsp_code->data, dsp_code->size);
+
+ release_firmware(dsp_code);
+
+ rc = snd_korg1212_Send1212Command(korg1212, K1212_DB_RebootCard, 0, 0, 0, 0);
+
+ if (rc)
+ K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
+
+ if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
+ snd_korg1212_free(korg1212);
+ return err;
+ }
+
+ snd_korg1212_EnableCardInterrupts(korg1212);
+
+ mdelay(CARD_BOOT_DELAY_IN_MS);
+
+ if (snd_korg1212_downloadDSPCode(korg1212))
+ return -EBUSY;
+
+ K1212_DEBUG_PRINTK("korg1212: dspMemPhy = %08x U[%08x], "
+ "PlayDataPhy = %08x L[%08x]\n"
+ "korg1212: RecDataPhy = %08x L[%08x], "
+ "VolumeTablePhy = %08x L[%08x]\n"
+ "korg1212: RoutingTablePhy = %08x L[%08x], "
+ "AdatTimeCodePhy = %08x L[%08x]\n",
+ (int)korg1212->dma_dsp.addr, UpperWordSwap(korg1212->dma_dsp.addr),
+ korg1212->PlayDataPhy, LowerWordSwap(korg1212->PlayDataPhy),
+ korg1212->RecDataPhy, LowerWordSwap(korg1212->RecDataPhy),
+ korg1212->VolumeTablePhy, LowerWordSwap(korg1212->VolumeTablePhy),
+ korg1212->RoutingTablePhy, LowerWordSwap(korg1212->RoutingTablePhy),
+ korg1212->AdatTimeCodePhy, LowerWordSwap(korg1212->AdatTimeCodePhy));
+
+ if ((err = snd_pcm_new(korg1212->card, "korg1212", 0, 1, 1, &korg1212->pcm)) < 0)
+ return err;
+
+ korg1212->pcm->private_data = korg1212;
+ korg1212->pcm->private_free = snd_korg1212_free_pcm;
+ strcpy(korg1212->pcm->name, "korg1212");
+
+ snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_korg1212_playback_ops);
+
+ snd_pcm_set_ops(korg1212->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_korg1212_capture_ops);
+
+ korg1212->pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX;
+
+ for (i = 0; i < ARRAY_SIZE(snd_korg1212_controls); i++) {
+ err = snd_ctl_add(korg1212->card, snd_ctl_new1(&snd_korg1212_controls[i], korg1212));
+ if (err < 0)
+ return err;
+ }
+
+ snd_korg1212_proc_init(korg1212);
+
+ * rchip = 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_card_new(&pci->dev, index[dev], id[dev], THIS_MODULE,
+ 0, &card);
+ if (err < 0)
+ return err;
+
+ if ((err = snd_korg1212_create(card, pci, &korg1212)) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+
+ strcpy(card->driver, "korg1212");
+ strcpy(card->shortname, "korg1212");
+ sprintf(card->longname, "%s at 0x%lx, irq %d", card->shortname,
+ korg1212->iomem, korg1212->irq);
+
+ K1212_DEBUG_PRINTK("K1212_DEBUG: %s\n", card->longname);
+
+ if ((err = snd_card_register(card)) < 0) {
+ snd_card_free(card);
+ return err;
+ }
+ pci_set_drvdata(pci, card);
+ dev++;
+ return 0;
+}
+
+static void snd_korg1212_remove(struct pci_dev *pci)
+{
+ snd_card_free(pci_get_drvdata(pci));
+}
+
+static struct pci_driver korg1212_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = snd_korg1212_ids,
+ .probe = snd_korg1212_probe,
+ .remove = snd_korg1212_remove,
+};
+
+module_pci_driver(korg1212_driver);
Code Review / kvmfornfv.git / blobdiff