* SiS7018 S/PDIF support by Thomas Winischhofer <thomas@winischhofer.net>
*/
-#include <sound/driver.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
Description: This routine will complete and write the 5 hardware channel
registers to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
Each register field.
Description: This routine will write the new CSO offset
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
CSO - new CSO value
Description: This routine will write the new ESO offset
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
ESO - new ESO value
Description: This routine will write the new voice volume
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
Vol - new voice volume
Description: This routine will write the new voice pan
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
Pan - new pan value
Description: This routine will write the new reverb volume
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
RVol - new reverb volume
Description: This routine will write the new chorus volume
register to hardware.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
voice - synthesizer voice structure
CVol - new chorus volume
Description: This routine converts rate in HZ to hardware delta value.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
rate - Real or Virtual channel number.
Returns: Delta value.
Description: This routine converts rate in HZ to hardware delta value.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
rate - Real or Virtual channel number.
Returns: Delta value.
Description: This routine converts rate in HZ to spurious threshold.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
rate - Real or Virtual channel number.
Returns: Delta value.
Description: This routine returns a control mode for a PCM channel.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
substream - PCM substream
Returns: Control value.
Description: Device I/O control handler for playback/capture parameters.
- Paramters: substream - PCM substream class
+ Parameters: substream - PCM substream class
cmd - what ioctl message to process
arg - additional message infoarg
if (spdif_flag) {
if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
- outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
+ val = trident->spdif_pcm_ctrl;
+ if (!go)
+ val &= ~(0x28);
+ outb(val, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
} else {
outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN;
Description: This routine return the capture position
- Paramters: pcm1 - PCM device class
+ Parameters: pcm1 - PCM device class
Returns: position of buffer
Description: This routine registers the 4DWave device for PCM support.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
Returns: None
Description: This routine registers the 4DWave device for foldback PCM support.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
Returns: None
Description: This routine registers the 4DWave-NX device for SPDIF support.
- Paramters: trident - pointer to target device class for 4DWave-NX.
+ Parameters: trident - pointer to target device class for 4DWave-NX.
Returns: None
Description: This routine registers the 4DWave device for mixer support.
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
Returns: None
Description: Allocate and set up the TLB page table on 4D NX.
Each entry has 4 bytes (physical PCI address).
- Paramters: trident - pointer to target device class for 4DWave.
+ Parameters: trident - pointer to target device class for 4DWave.
Returns: 0 or negative error code
Description: This routine will create the device specific class for
the 4DWave card. It will also perform basic initialization.
- Paramters: card - which card to create
+ Parameters: card - which card to create
pci - interface to PCI bus resource info
dma1ptr - playback dma buffer
dma2ptr - capture dma buffer
Description: This routine will free the device specific class for
the 4DWave card.
- Paramters: trident - device specific private data for 4DWave card
+ Parameters: trident - device specific private data for 4DWave card
Returns: None.
else if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
outl(0, TRID_REG(trident, SI_SERIAL_INTF_CTRL));
}
+ if (trident->irq >= 0)
+ free_irq(trident->irq, trident);
if (trident->tlb.buffer.area) {
outl(0, TRID_REG(trident, NX_TLBC));
if (trident->tlb.memhdr)
vfree(trident->tlb.shadow_entries);
snd_dma_free_pages(&trident->tlb.buffer);
}
- if (trident->irq >= 0)
- free_irq(trident->irq, trident);
pci_release_regions(trident->pci);
pci_disable_device(trident->pci);
kfree(trident);
Description: ISR for Trident 4DWave device
- Paramters: trident - device specific private data for 4DWave card
+ Parameters: trident - device specific private data for 4DWave card
Problems: It seems that Trident chips generates interrupts more than
one time in special cases. The spurious interrupts are