/*
* Transmeta's Efficeon AGPGART driver.
- *
+ *
* Based upon a diff by Linus around November '02.
*
* Ported to the 2.6 kernel by Carlos Puchol <cpglinux@puchol.com>
/*
* NOTE-cpg-040217:
- *
+ *
* - when compiled as a module, after loading the module,
* it will refuse to unload, indicating it is in use,
* when it is not.
* 8: Present
* 7:6: reserved, write as zero
* 5:0: GATT directory index: which 1st-level entry
- *
+ *
* The Efficeon AGP spec requires pages to be WB-cacheable
* but to be explicitly CLFLUSH'd after any changes.
*/
struct aper_size_info_lvl2 *current_size;
printk(KERN_DEBUG PFX "efficeon_configure()\n");
-
+
current_size = A_SIZE_LVL2(agp_bridge->current_size);
/* aperture size */
/*
- * Since we don't need contigious memory we just try
+ * Since we don't need contiguous memory we just try
* to get the gatt table once
*/
const int present = EFFICEON_PRESENT;
const int clflush_chunk = ((cpuid_ebx(1) >> 8) & 0xff) << 3;
int num_entries, l1_pages;
-
+
num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries;
printk(KERN_DEBUG PFX "efficeon_create_gatt_table(%d)\n", num_entries);
if (!page)
continue;
-
+
page += (index & 0x3ff);
*page = insert;
/* clflush is slow, so don't clflush until we have to */
- if ( last_page &&
+ if ( last_page &&
((unsigned long)page^(unsigned long)last_page) & clflush_mask )
asm volatile("clflush %0" : : "m" (*last_page));
.agp_destroy_page = agp_generic_destroy_page,
};
-
-static int agp_efficeon_resume(struct pci_dev *pdev)
-{
- printk(KERN_DEBUG PFX "agp_efficeon_resume()\n");
- return efficeon_configure();
-}
-
static int __devinit agp_efficeon_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
*/
r = &pdev->resource[0];
if (!r->start && r->end) {
- if(pci_assign_resource(pdev, 0)) {
+ if (pci_assign_resource(pdev, 0)) {
printk(KERN_ERR PFX "could not assign resource 0\n");
return -ENODEV;
}
agp_put_bridge(bridge);
}
+#ifdef CONFIG_PM
static int agp_efficeon_suspend(struct pci_dev *dev, pm_message_t state)
{
return 0;
}
+static int agp_efficeon_resume(struct pci_dev *pdev)
+{
+ printk(KERN_DEBUG PFX "agp_efficeon_resume()\n");
+ return efficeon_configure();
+}
+#endif
static struct pci_device_id agp_efficeon_pci_table[] = {
{
.id_table = agp_efficeon_pci_table,
.probe = agp_efficeon_probe,
.remove = agp_efficeon_remove,
+#ifdef CONFIG_PM
.suspend = agp_efficeon_suspend,
.resume = agp_efficeon_resume,
+#endif
};
static int __init agp_efficeon_init(void)