static int
ahd_pci_attach(device_t dev)
{
struct ahd_pci_identity *entry;
struct ahd_softc *ahd;
char *name;
int error;
entry = ahd_find_pci_device(dev);
if (entry == NULL)
return (ENXIO);
/*
* Allocate a softc for this card and
* set it up for attachment by our
* common detect routine.
*/
name = malloc(strlen(device_get_nameunit(dev)) + 1, M_DEVBUF, M_NOWAIT);
if (name == NULL)
return (ENOMEM);
strcpy(name, device_get_nameunit(dev));
ahd = ahd_alloc(dev, name);
if (ahd == NULL)
return (ENOMEM);
ahd_set_unit(ahd, device_get_unit(dev));
/*
* Should we bother disabling 39Bit addressing
* based on installed memory?
*/
if (sizeof(bus_addr_t) > 4)
ahd->flags |= AHD_39BIT_ADDRESSING;
/* Allocate a dmatag for our SCB DMA maps */
error = aic_dma_tag_create(ahd, /*parent*/bus_get_dma_tag(dev),
/*alignment*/1, /*boundary*/0,
(ahd->flags & AHD_39BIT_ADDRESSING)
? 0x7FFFFFFFFF
: BUS_SPACE_MAXADDR_32BIT,
/*highaddr*/BUS_SPACE_MAXADDR,
/*filter*/NULL, /*filterarg*/NULL,
/*maxsize*/BUS_SPACE_MAXSIZE_32BIT,
/*nsegments*/AHD_NSEG,
/*maxsegsz*/AHD_MAXTRANSFER_SIZE,
/*flags*/0,
&ahd->parent_dmat);
if (error != 0) {
printf("ahd_pci_attach: Could not allocate DMA tag "
"- error %d\n", error);
ahd_free(ahd);
return (ENOMEM);
}
ahd->dev_softc = dev;
error = ahd_pci_config(ahd, entry);
if (error != 0) {
ahd_free(ahd);
return (error);
}
ahd_sysctl(ahd);
ahd_attach(ahd);
return (0);
}
static int
ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
char buf[80];
struct ahd_softc *ahd;
ahd_dev_softc_t pci;
struct ahd_pci_identity *entry;
char *name;
int error;
pci = pdev;
entry = ahd_find_pci_device(pci);
if (entry == NULL)
return (-ENODEV);
/*
* Allocate a softc for this card and
* set it up for attachment by our
* common detect routine.
*/
sprintf(buf, "ahd_pci:%d:%d:%d",
ahd_get_pci_bus(pci),
ahd_get_pci_slot(pci),
ahd_get_pci_function(pci));
name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT);
if (name == NULL)
return (-ENOMEM);
strcpy(name, buf);
ahd = ahd_alloc(NULL, name);
if (ahd == NULL)
return (-ENOMEM);
if (pci_enable_device(pdev)) {
ahd_free(ahd);
return (-ENODEV);
}
pci_set_master(pdev);
if (sizeof(dma_addr_t) > 4) {
uint64_t memsize;
const uint64_t mask_39bit = 0x7FFFFFFFFFULL;
memsize = ahd_linux_get_memsize();
if (memsize >= 0x8000000000ULL
&& pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
ahd->flags |= AHD_64BIT_ADDRESSING;
} else if (memsize > 0x80000000
&& pci_set_dma_mask(pdev, mask_39bit) == 0) {
ahd->flags |= AHD_39BIT_ADDRESSING;
}
} else {
pci_set_dma_mask(pdev, DMA_32BIT_MASK);
}
ahd->dev_softc = pci;
error = ahd_pci_config(ahd, entry);
if (error != 0) {
ahd_free(ahd);
return (-error);
}
/*
* Second Function PCI devices need to inherit some
* * settings from function 0.
*/
if ((ahd->features & AHD_MULTI_FUNC) && PCI_FUNC(pdev->devfn) != 0)
ahd_linux_pci_inherit_flags(ahd);
pci_set_drvdata(pdev, ahd);
ahd_linux_register_host(ahd, &aic79xx_driver_template);
return (0);
}
static int
ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
char buf[80];
struct ahd_softc *ahd;
ahd_dev_softc_t pci;
const struct ahd_pci_identity *entry;
char *name;
int error;
struct device *dev = &pdev->dev;
pci = pdev;
entry = ahd_find_pci_device(pci);
if (entry == NULL)
return (-ENODEV);
/*
* Allocate a softc for this card and
* set it up for attachment by our
* common detect routine.
*/
sprintf(buf, "ahd_pci:%d:%d:%d",
ahd_get_pci_bus(pci),
ahd_get_pci_slot(pci),
ahd_get_pci_function(pci));
name = kmalloc(strlen(buf) + 1, GFP_ATOMIC);
if (name == NULL)
return (-ENOMEM);
strcpy(name, buf);
ahd = ahd_alloc(NULL, name);
if (ahd == NULL)
return (-ENOMEM);
if (pci_enable_device(pdev)) {
ahd_free(ahd);
return (-ENODEV);
}
pci_set_master(pdev);
if (sizeof(dma_addr_t) > 4) {
const u64 required_mask = dma_get_required_mask(dev);
if (required_mask > DMA_BIT_MASK(39) &&
dma_set_mask(dev, DMA_BIT_MASK(64)) == 0)
ahd->flags |= AHD_64BIT_ADDRESSING;
else if (required_mask > DMA_BIT_MASK(32) &&
dma_set_mask(dev, DMA_BIT_MASK(39)) == 0)
ahd->flags |= AHD_39BIT_ADDRESSING;
else
dma_set_mask(dev, DMA_BIT_MASK(32));
} else {
dma_set_mask(dev, DMA_BIT_MASK(32));
}
ahd->dev_softc = pci;
error = ahd_pci_config(ahd, entry);
if (error != 0) {
ahd_free(ahd);
return (-error);
}
/*
* Second Function PCI devices need to inherit some
* * settings from function 0.
*/
if ((ahd->features & AHD_MULTI_FUNC) && PCI_FUNC(pdev->devfn) != 0)
ahd_linux_pci_inherit_flags(ahd);
pci_set_drvdata(pdev, ahd);
ahd_linux_register_host(ahd, &aic79xx_driver_template);
return (0);
}
