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path: root/drivers/char/agp/efficeon-agp.c
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Diffstat (limited to 'drivers/char/agp/efficeon-agp.c')
-rw-r--r--drivers/char/agp/efficeon-agp.c67
1 files changed, 37 insertions, 30 deletions
diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c
index 30f730ff81c..533cb6d229b 100644
--- a/drivers/char/agp/efficeon-agp.c
+++ b/drivers/char/agp/efficeon-agp.c
@@ -28,6 +28,7 @@
#include <linux/page-flags.h>
#include <linux/mm.h>
#include "agp.h"
+#include "intel-agp.h"
/*
* The real differences to the generic AGP code is
@@ -59,18 +60,19 @@ static struct _efficeon_private {
unsigned long l1_table[EFFICEON_L1_SIZE];
} efficeon_private;
-static struct gatt_mask efficeon_generic_masks[] =
+static const struct gatt_mask efficeon_generic_masks[] =
{
{.mask = 0x00000001, .type = 0}
};
/* This function does the same thing as mask_memory() for this chipset... */
-static inline unsigned long efficeon_mask_memory(unsigned long addr)
+static inline unsigned long efficeon_mask_memory(struct page *page)
{
+ unsigned long addr = page_to_phys(page);
return addr | 0x00000001;
}
-static struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
+static const struct aper_size_info_lvl2 efficeon_generic_sizes[4] =
{
{256, 65536, 0},
{128, 32768, 32},
@@ -126,7 +128,6 @@ static void efficeon_cleanup(void)
static int efficeon_configure(void)
{
- u32 temp;
u16 temp2;
struct aper_size_info_lvl2 *current_size;
@@ -139,8 +140,8 @@ static int efficeon_configure(void)
current_size->size_value);
/* address to map to */
- pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
- agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+ agp_bridge->gart_bus_addr = pci_bus_address(agp_bridge->dev,
+ AGP_APERTURE_BAR);
/* agpctrl */
pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x2280);
@@ -221,11 +222,11 @@ static int efficeon_create_gatt_table(struct agp_bridge_data *bridge)
SetPageReserved(virt_to_page((char *)page));
for (offset = 0; offset < PAGE_SIZE; offset += clflush_chunk)
- asm volatile("clflush %0" : : "m" (*(char *)(page+offset)));
+ clflush((char *)page+offset);
efficeon_private.l1_table[index] = page;
- value = virt_to_gart((unsigned long *)page) | pati | present | index;
+ value = virt_to_phys((unsigned long *)page) | pati | present | index;
pci_write_config_dword(agp_bridge->dev,
EFFICEON_ATTPAGE, value);
@@ -249,15 +250,15 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t
if (type != 0 || mem->type != 0)
return -EINVAL;
- if (mem->is_flushed == FALSE) {
+ if (!mem->is_flushed) {
global_cache_flush();
- mem->is_flushed = TRUE;
+ mem->is_flushed = true;
}
last_page = NULL;
for (i = 0; i < count; i++) {
int index = pg_start + i;
- unsigned long insert = efficeon_mask_memory(mem->memory[i]);
+ unsigned long insert = efficeon_mask_memory(mem->pages[i]);
page = (unsigned int *) efficeon_private.l1_table[index >> 10];
@@ -268,15 +269,16 @@ static int efficeon_insert_memory(struct agp_memory * mem, off_t pg_start, int t
*page = insert;
/* clflush is slow, so don't clflush until we have to */
- if ( last_page &&
- ((unsigned long)page^(unsigned long)last_page) & clflush_mask )
- asm volatile("clflush %0" : : "m" (*last_page));
+ if (last_page &&
+ (((unsigned long)page^(unsigned long)last_page) &
+ clflush_mask))
+ clflush(last_page);
last_page = page;
}
if ( last_page )
- asm volatile("clflush %0" : : "m" (*last_page));
+ clflush(last_page);
agp_bridge->driver->tlb_flush(mem);
return 0;
@@ -309,7 +311,7 @@ static int efficeon_remove_memory(struct agp_memory * mem, off_t pg_start, int t
}
-static struct agp_bridge_driver efficeon_driver = {
+static const struct agp_bridge_driver efficeon_driver = {
.owner = THIS_MODULE,
.aperture_sizes = efficeon_generic_sizes,
.size_type = LVL2_APER_SIZE,
@@ -328,17 +330,20 @@ static struct agp_bridge_driver efficeon_driver = {
.free_gatt_table = efficeon_free_gatt_table,
.insert_memory = efficeon_insert_memory,
.remove_memory = efficeon_remove_memory,
- .cant_use_aperture = 0, // 1 might be faster?
+ .cant_use_aperture = false, // true might be faster?
// Generic
.alloc_by_type = agp_generic_alloc_by_type,
.free_by_type = agp_generic_free_by_type,
.agp_alloc_page = agp_generic_alloc_page,
+ .agp_alloc_pages = agp_generic_alloc_pages,
.agp_destroy_page = agp_generic_destroy_page,
+ .agp_destroy_pages = agp_generic_destroy_pages,
+ .agp_type_to_mask_type = agp_generic_type_to_mask_type,
};
-static int __devinit agp_efficeon_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
+static int agp_efficeon_probe(struct pci_dev *pdev,
+ const struct pci_device_id *ent)
{
struct agp_bridge_data *bridge;
u8 cap_ptr;
@@ -366,6 +371,17 @@ static int __devinit agp_efficeon_probe(struct pci_dev *pdev,
bridge->capndx = cap_ptr;
/*
+ * If the device has not been properly setup, the following will catch
+ * the problem and should stop the system from crashing.
+ * 20030610 - hamish@zot.org
+ */
+ if (pci_enable_device(pdev)) {
+ printk(KERN_ERR PFX "Unable to Enable PCI device\n");
+ agp_put_bridge(bridge);
+ return -ENODEV;
+ }
+
+ /*
* The following fixes the case where the BIOS has "forgotten" to
* provide an address range for the GART.
* 20030610 - hamish@zot.org
@@ -374,20 +390,11 @@ static int __devinit agp_efficeon_probe(struct pci_dev *pdev,
if (!r->start && r->end) {
if (pci_assign_resource(pdev, 0)) {
printk(KERN_ERR PFX "could not assign resource 0\n");
+ agp_put_bridge(bridge);
return -ENODEV;
}
}
- /*
- * If the device has not been properly setup, the following will catch
- * the problem and should stop the system from crashing.
- * 20030610 - hamish@zot.org
- */
- if (pci_enable_device(pdev)) {
- printk(KERN_ERR PFX "Unable to Enable PCI device\n");
- return -ENODEV;
- }
-
/* Fill in the mode register */
if (cap_ptr) {
pci_read_config_dword(pdev,
@@ -399,7 +406,7 @@ static int __devinit agp_efficeon_probe(struct pci_dev *pdev,
return agp_add_bridge(bridge);
}
-static void __devexit agp_efficeon_remove(struct pci_dev *pdev)
+static void agp_efficeon_remove(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);