#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
unsigned long iomem2;
unsigned long irqcount;
unsigned long inIRQ;
- unsigned long iobase;
+ void __iomem *iobase;
struct snd_dma_buffer dma_dsp;
struct snd_dma_buffer dma_play;
u32 RoutingTablePhy;
u32 AdatTimeCodePhy;
- u32 * statusRegPtr; // address of the interrupt status/control register
- u32 * outDoorbellPtr; // address of the host->card doorbell register
- u32 * inDoorbellPtr; // address of the card->host doorbell register
- u32 * mailbox0Ptr; // address of mailbox 0 on the card
- u32 * mailbox1Ptr; // address of mailbox 1 on the card
- u32 * mailbox2Ptr; // address of mailbox 2 on the card
- u32 * mailbox3Ptr; // address of mailbox 3 on the card
- u32 * controlRegPtr; // address of the EEPROM, PCI, I/O, Init ctrl reg
- u16 * sensRegPtr; // address of the sensitivity setting register
- u32 * idRegPtr; // address of the device and vendor ID registers
+ 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;
snd_pcm_substream_t *playback_substream;
snd_pcm_substream_t *capture_substream;
+ pid_t capture_pid;
+ pid_t playback_pid;
+
CardState cardState;
int running;
int idleMonitorOn; // indicates whether the card is in idle monitor mode.
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */
-static int boot_devs;
-module_param_array(index, int, boot_devs, 0444);
+module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for Korg 1212 soundcard.");
-module_param_array(id, charp, boot_devs, 0444);
+module_param_array(id, charp, NULL, 0444);
MODULE_PARM_DESC(id, "ID string for Korg 1212 soundcard.");
-module_param_array(enable, bool, boot_devs, 0444);
+module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable Korg 1212 soundcard.");
MODULE_AUTHOR("Haroldo Gamal <gamal@alternex.com.br>");
"SPDIF-R",
};
-u16 ClockSourceSelector[] = {0x8000, // selects source as ADAT at 44.1 kHz
+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
static void snd_korg1212_EnableCardInterrupts(korg1212_t * korg1212)
{
- * korg1212->statusRegPtr = PCI_INT_ENABLE_BIT |
- PCI_DOORBELL_INT_ENABLE_BIT |
- LOCAL_INT_ENABLE_BIT |
- LOCAL_DOORBELL_INT_ENABLE_BIT |
- LOCAL_DMA1_INT_ENABLE_BIT;
+ 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 */
#endif /* not used */
+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;
+}
+
static int snd_korg1212_SetRate(korg1212_t *korg1212, int rate)
{
static ClockSourceIndex s44[] = { K1212_CLKIDX_AdatAt44_1K,
K1212_CLKIDX_LocalAt48K };
int parm;
+ if (!snd_korg1212_use_is_exclusive (korg1212)) {
+ return -EBUSY;
+ }
+
switch(rate) {
case 44100:
parm = s44[korg1212->clkSource];
static void snd_korg1212_DisableCardInterrupts(korg1212_t *korg1212)
{
- * korg1212->statusRegPtr = 0;
+ writel(0, korg1212->statusRegPtr);
}
static int snd_korg1212_WriteADCSensitivity(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 * 4))
+ if (! sleep_on_timeout(&korg1212->wait, HZ * CARD_BOOT_TIMEOUT))
return -EBUSY; /* timeout */
snd_korg1212_OnDSPDownloadComplete(korg1212);
spin_lock_irqsave(&korg1212->lock, flags);
korg1212->playback_substream = substream;
+ korg1212->playback_pid = current->pid;
korg1212->periodsize = K1212_PERIODS;
korg1212->channels = K1212_CHANNELS;
spin_lock_irqsave(&korg1212->lock, flags);
korg1212->capture_substream = substream;
+ korg1212->capture_pid = current->pid;
korg1212->periodsize = K1212_PERIODS;
korg1212->channels = K1212_CHANNELS;
spin_lock_irqsave(&korg1212->lock, flags);
+ korg1212->playback_pid = -1;
korg1212->playback_substream = NULL;
korg1212->periodsize = 0;
spin_lock_irqsave(&korg1212->lock, flags);
+ korg1212->capture_pid = -1;
korg1212->capture_substream = NULL;
korg1212->periodsize = 0;
unsigned long flags;
korg1212_t *korg1212 = snd_pcm_substream_chip(substream);
int err;
+ pid_t this_pid;
+ pid_t other_pid;
#if K1212_DEBUG_LEVEL > 0
K1212_DEBUG_PRINTK("K1212_DEBUG: snd_korg1212_hw_params [%s]\n", stateName[korg1212->cardState]);
#endif
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;
}
-/*
- if (params_format(params) != SNDRV_PCM_FORMAT_S16_LE) {
- spin_unlock_irqrestore(&korg1212->lock, flags);
- return -EINVAL;
- }
-*/
+
korg1212->channels = params_channels(params);
korg1212->periodsize = K1212_PERIOD_BYTES;
korg1212->irq = -1;
}
- if (korg1212->iobase != 0) {
- iounmap((void *)korg1212->iobase);
- korg1212->iobase = 0;
+ if (korg1212->iobase != NULL) {
+ iounmap(korg1212->iobase);
+ korg1212->iobase = NULL;
}
pci_release_regions(korg1212->pci);
korg1212->dma_shared.area = NULL;
}
+ pci_disable_device(korg1212->pci);
kfree(korg1212);
return 0;
}
return err;
korg1212 = kcalloc(1, sizeof(*korg1212), GFP_KERNEL);
- if (korg1212 == NULL)
+ if (korg1212 == NULL) {
+ pci_disable_device(pci);
return -ENOMEM;
+ }
korg1212->card = card;
korg1212->pci = pci;
korg1212->opencnt = 0;
korg1212->playcnt = 0;
korg1212->setcnt = 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;
if ((err = pci_request_regions(pci, "korg1212")) < 0) {
kfree(korg1212);
+ pci_disable_device(pci);
return err;
}
stateName[korg1212->cardState]);
#endif
- if ((korg1212->iobase = (unsigned long) ioremap(korg1212->iomem, iomem_size)) == 0) {
- snd_printk(KERN_ERR "unable to remap memory region 0x%lx-0x%lx\n", korg1212->iobase,
- korg1212->iobase + iomem_size - 1);
+ 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,
+ korg1212->iomem + iomem_size - 1);
+ snd_korg1212_free(korg1212);
return -EBUSY;
}
if (err) {
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
+ snd_korg1212_free(korg1212);
return -EBUSY;
}
pci_set_master(korg1212->pci);
- korg1212->statusRegPtr = (u32 *) (korg1212->iobase + STATUS_REG_OFFSET);
- korg1212->outDoorbellPtr = (u32 *) (korg1212->iobase + OUT_DOORBELL_OFFSET);
- korg1212->inDoorbellPtr = (u32 *) (korg1212->iobase + IN_DOORBELL_OFFSET);
- korg1212->mailbox0Ptr = (u32 *) (korg1212->iobase + MAILBOX0_OFFSET);
- korg1212->mailbox1Ptr = (u32 *) (korg1212->iobase + MAILBOX1_OFFSET);
- korg1212->mailbox2Ptr = (u32 *) (korg1212->iobase + MAILBOX2_OFFSET);
- korg1212->mailbox3Ptr = (u32 *) (korg1212->iobase + MAILBOX3_OFFSET);
- korg1212->controlRegPtr = (u32 *) (korg1212->iobase + PCI_CONTROL_OFFSET);
- korg1212->sensRegPtr = (u16 *) (korg1212->iobase + SENS_CONTROL_OFFSET);
- korg1212->idRegPtr = (u32 *) (korg1212->iobase + DEV_VEND_ID_OFFSET);
+ 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);
#if K1212_DEBUG_LEVEL > 0
K1212_DEBUG_PRINTK("K1212_DEBUG: card registers:\n"
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_korg1212_free(korg1212);
return -ENOMEM;
}
korg1212->sharedBufferPtr = (KorgSharedBuffer *)korg1212->dma_shared.area;
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_korg1212_free(korg1212);
return -ENOMEM;
}
korg1212->playDataBufsPtr = (KorgAudioBuffer *)korg1212->dma_play.area;
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_korg1212_free(korg1212);
return -ENOMEM;
}
korg1212->recordDataBufsPtr = (KorgAudioBuffer *)korg1212->dma_rec.area;
#if K1212_DEBUG_LEVEL > 0
K1212_DEBUG_PRINTK("K1212_DEBUG: Record Data Area = 0x%p (0x%08x), %d bytes\n",
- korg1212->recordDataBufsPtr, korg1212->RecDataBufsPhy, korg1212->DataBufsSize);
+ korg1212->recordDataBufsPtr, korg1212->RecDataPhy, korg1212->DataBufsSize);
#endif
#else // K1212_LARGEALLOC
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_korg1212_free(korg1212);
return -ENOMEM;
}
if (rc) K1212_DEBUG_PRINTK("K1212_DEBUG: Reboot Card - RC = %d [%s]\n", rc, stateName[korg1212->cardState]);
#endif
+ 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))
+ if (snd_korg1212_downloadDSPCode(korg1212))
return -EBUSY;
printk(KERN_INFO "dspMemPhy = %08x U[%08x]\n"
snd_korg1212_proc_init(korg1212);
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, korg1212, &ops)) < 0) {
- snd_korg1212_free(korg1212);
- return err;
- }
-
snd_card_set_dev(card, &pci->dev);
* rchip = korg1212;
git://git.onelab.eu / linux-2.6.git / blobdiff