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Commit aa426f3d authored by Jaroslav Kysela's avatar Jaroslav Kysela
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[ALSA] Korg1212 updates 

KORG1212 driver
This patches covers the following issues:

    - solves double 'spin_lock_irqsave' problems;
    - eliminate the use of deprecated function 'sleep_on_timeout';
    - clarify some 'printk' messages; and
    - logs korg DMA Errors due to PCI congestion.
Signed-off-by: default avatarHaroldo Gamal <gamal@alternex.com.br>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 079508e7
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Inline Side-by-side
Showing with 43 additions and 32 deletions
sound/pci/korg1212/korg1212.c
View file @ aa426f3d
......@@ -51,7 +51,7 @@
//#define K1212_LARGEALLOC 1
// ----------------------------------------------------------------------------
// the following enum defines the valid states of the Korg 1212 I/O card.
// Valid states of the Korg 1212 I/O card.
// ----------------------------------------------------------------------------
typedef enum {
K1212_STATE_NONEXISTENT, // there is no card here
......@@ -85,6 +85,8 @@ typedef enum {
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).
......@@ -93,11 +95,9 @@ typedef enum {
K1212_DB_StartDSPDownload = 0xAF // tells the card to download its DSP firmware.
} korg1212_dbcnst_t;
#define K1212_ISRCODE_DMAERROR 0x80
#define K1212_ISRCODE_CARDSTOPPED 0x81
// ----------------------------------------------------------------------------
// The following enumeration defines return codes for DeviceIoControl() calls
// The following enumeration defines return codes
// to the Korg 1212 I/O driver.
// ----------------------------------------------------------------------------
typedef enum {
......@@ -116,11 +116,6 @@ typedef enum {
K1212_CMDRET_NoAckFromCard, // the card never acknowledged a command
K1212_CMDRET_BadParams, // bad parameters were provided by the caller
// --------------------------------------------------------------
// the following return errors are specific to the wave device
// driver interface. These will not be encountered by users of
// the 32 bit DIOC interface (a.k.a. custom or native API).
// --------------------------------------------------------------
K1212_CMDRET_BadDevice, // the specified wave device was out of range
K1212_CMDRET_BadFormat // the specified wave format is unsupported
} snd_korg1212rc;
......@@ -403,6 +398,11 @@ struct _snd_korg1212 {
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;
};
......@@ -622,9 +622,10 @@ static void snd_korg1212_SendStopAndWait(korg1212_t *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);
sleep_on_timeout(&korg1212->wait, (HZ * 3) / 2);
wait_event_timeout(korg1212->wait, korg1212->dsp_stop_is_processed, (HZ * 3) / 2);
}
/* timer callback for checking the ack of stop request */
......@@ -636,6 +637,7 @@ static void snd_korg1212_timer_func(unsigned long data)
if (readl(&korg1212->sharedBufferPtr->cardCommand) == 0) {
/* ack'ed */
korg1212->stop_pending_cnt = 0;
korg1212->dsp_stop_is_processed = 1;
wake_up(&korg1212->wait);
#if K1212_DEBUG_LEVEL > 1
K1212_DEBUG_PRINTK("K1212_DEBUG: Stop ack'ed [%s]\n", stateName[korg1212->cardState]);
......@@ -648,6 +650,7 @@ static void snd_korg1212_timer_func(unsigned long data)
} else {
snd_printd("korg1212_timer_func timeout\n");
writel(0, &korg1212->sharedBufferPtr->cardCommand);
korg1212->dsp_stop_is_processed = 1;
wake_up(&korg1212->wait);
#if K1212_DEBUG_LEVEL > 0
K1212_DEBUG_PRINTK("K1212_DEBUG: Stop timeout [%s]\n", stateName[korg1212->cardState]);
......@@ -850,15 +853,12 @@ static int snd_korg1212_SetMonitorMode(korg1212_t *korg1212, MonitorModeSelector
static inline int snd_korg1212_use_is_exclusive(korg1212_t *korg1212)
{
unsigned long flags;
int ret = 1;
spin_lock_irqsave(&korg1212->lock, flags);
if ((korg1212->playback_pid != korg1212->capture_pid) &&
(korg1212->playback_pid >= 0) && (korg1212->capture_pid >= 0)) {
ret = 0;
}
spin_unlock_irqrestore(&korg1212->lock, flags);
return ret;
}
......@@ -1179,17 +1179,22 @@ static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs
#if K1212_DEBUG_LEVEL > 0
K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DNLD count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
#endif
if (korg1212->cardState == K1212_STATE_DSP_IN_PROCESS)
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_ISRCODE_DMAERROR:
case K1212_DB_DMAERROR:
#if K1212_DEBUG_LEVEL > 1
K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ DMAE count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
#endif
snd_printk(KERN_ERR "korg1212: DMA Error\n");
korg1212->errorcnt++;
korg1212->totalerrorcnt++;
writel(0, &korg1212->sharedBufferPtr->cardCommand);
snd_korg1212_setCardState(korg1212, K1212_STATE_ERRORSTOP);
break;
......@@ -1198,7 +1203,7 @@ static irqreturn_t snd_korg1212_interrupt(int irq, void *dev_id, struct pt_regs
// the card has stopped by our request. Clear the command word and signal
// the semaphore in case someone is waiting for this.
// ------------------------------------------------------------------------
case K1212_ISRCODE_CARDSTOPPED:
case K1212_DB_CARDSTOPPED:
#if K1212_DEBUG_LEVEL > 1
K1212_DEBUG_PRINTK("K1212_DEBUG: IRQ CSTP count - %ld, %x, [%s].\n", korg1212->irqcount, doorbellValue, stateName[korg1212->cardState]);
#endif
......@@ -1267,7 +1272,9 @@ static int snd_korg1212_downloadDSPCode(korg1212_t *korg1212)
if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Start DSP Download RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
#endif
if (! sleep_on_timeout(&korg1212->wait, HZ * CARD_BOOT_TIMEOUT))
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);
......@@ -1439,6 +1446,7 @@ static int snd_korg1212_playback_open(snd_pcm_substream_t *substream)
korg1212->playback_pid = current->pid;
korg1212->periodsize = K1212_PERIODS;
korg1212->channels = K1212_CHANNELS;
korg1212->errorcnt = 0;
spin_unlock_irqrestore(&korg1212->lock, flags);
......@@ -1457,7 +1465,7 @@ static int snd_korg1212_capture_open(snd_pcm_substream_t *substream)
K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_capture_open [%s]\n", stateName[korg1212->cardState]);
#endif
snd_pcm_set_sync(substream); // ???
snd_pcm_set_sync(substream);
snd_korg1212_OpenCard(korg1212);
......@@ -2118,6 +2126,7 @@ static void snd_korg1212_proc_read(snd_info_entry_t *entry, snd_info_buffer_t *b
snd_iprintf(buffer, "Idle mon. State: %d\n", korg1212->idleMonitorOn);
snd_iprintf(buffer, "Cmd retry count: %d\n", korg1212->cmdRetryCount);
snd_iprintf(buffer, " Irq count: %ld\n", korg1212->irqcount);
snd_iprintf(buffer, " Error count: %ld\n", korg1212->totalerrorcnt);
}
static void __devinit snd_korg1212_proc_init(korg1212_t *korg1212)
......@@ -2235,6 +2244,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
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);
......@@ -2273,7 +2283,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
#endif
if ((korg1212->iobase = ioremap(korg1212->iomem, iomem_size)) == NULL) {
snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", korg1212->iomem,
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;
......@@ -2284,7 +2294,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
"korg1212", (void *) korg1212);
if (err) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
snd_printk(KERN_ERR "korg1212: unable to grab IRQ %d\n", pci->irq);
snd_korg1212_free(korg1212);
return -EBUSY;
}
......@@ -2332,7 +2342,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
sizeof(KorgSharedBuffer), &korg1212->dma_shared) < 0) {
snd_printk(KERN_ERR "can not allocate shared buffer memory (%Zd bytes)\n", sizeof(KorgSharedBuffer));
snd_printk(KERN_ERR "korg1212: can not allocate shared buffer memory (%Zd bytes)\n", sizeof(KorgSharedBuffer));
snd_korg1212_free(korg1212);
return -ENOMEM;
}
......@@ -2349,7 +2359,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
korg1212->DataBufsSize, &korg1212->dma_play) < 0) {
snd_printk(KERN_ERR "can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
snd_printk(KERN_ERR "korg1212: can not allocate play data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
snd_korg1212_free(korg1212);
return -ENOMEM;
}
......@@ -2363,7 +2373,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
korg1212->DataBufsSize, &korg1212->dma_rec) < 0) {
snd_printk(KERN_ERR "can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
snd_printk(KERN_ERR "korg1212: can not allocate record data buffer memory (%d bytes)\n", korg1212->DataBufsSize);
snd_korg1212_free(korg1212);
return -ENOMEM;
}
......@@ -2395,7 +2405,7 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci),
korg1212->dspCodeSize, &korg1212->dma_dsp) < 0) {
snd_printk(KERN_ERR "can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
snd_printk(KERN_ERR "korg1212: can not allocate dsp code memory (%d bytes)\n", korg1212->dspCodeSize);
snd_korg1212_free(korg1212);
return -ENOMEM;
}
......@@ -2424,11 +2434,12 @@ static int __devinit snd_korg1212_create(snd_card_t * card, struct pci_dev *pci,
if (snd_korg1212_downloadDSPCode(korg1212))
return -EBUSY;
printk(KERN_INFO "dspMemPhy = %08x U[%08x]\n"
snd_printk(KERN_ERR
"korg1212: dspMemPhy = %08x U[%08x], "
"PlayDataPhy = %08x L[%08x]\n"
"RecDataPhy = %08x L[%08x]\n"
"korg1212: RecDataPhy = %08x L[%08x], "
"VolumeTablePhy = %08x L[%08x]\n"
"RoutingTablePhy = %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),
......
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