#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
-#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
+#include <linux/slab.h>
#include "agp.h"
#define AMD_MMBASE 0x14
if (page_map->real == NULL)
return -ENOMEM;
+#ifndef CONFIG_X86
SetPageReserved(virt_to_page(page_map->real));
global_cache_flush();
- page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
+ page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
PAGE_SIZE);
if (page_map->remapped == NULL) {
ClearPageReserved(virt_to_page(page_map->real));
return -ENOMEM;
}
global_cache_flush();
+#else
+ set_memory_uc((unsigned long)page_map->real, 1);
+ page_map->remapped = page_map->real;
+#endif
for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++) {
writel(agp_bridge->scratch_page, page_map->remapped+i);
static void amd_free_page_map(struct amd_page_map *page_map)
{
+#ifndef CONFIG_X86
iounmap(page_map->remapped);
ClearPageReserved(virt_to_page(page_map->real));
+#else
+ set_memory_wb((unsigned long)page_map->real, 1);
+#endif
free_page((unsigned long) page_map->real);
}
int retval = 0;
int i;
- tables = kmalloc((nr_tables + 1) * sizeof(struct amd_page_map *),
- GFP_KERNEL);
+ tables = kzalloc((nr_tables + 1) * sizeof(struct amd_page_map *),GFP_KERNEL);
if (tables == NULL)
return -ENOMEM;
- memset (tables, 0, sizeof(struct amd_page_map *) * (nr_tables + 1));
for (i = 0; i < nr_tables; i++) {
- entry = kmalloc(sizeof(struct amd_page_map), GFP_KERNEL);
+ entry = kzalloc(sizeof(struct amd_page_map), GFP_KERNEL);
+ tables[i] = entry;
if (entry == NULL) {
retval = -ENOMEM;
break;
}
- memset (entry, 0, sizeof(struct amd_page_map));
- tables[i] = entry;
retval = amd_create_page_map(entry);
if (retval != 0)
break;
}
- amd_irongate_private.num_tables = nr_tables;
+ amd_irongate_private.num_tables = i;
amd_irongate_private.gatt_pages = tables;
if (retval != 0)
return retval;
}
-/* 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
*/
agp_bridge->gatt_table_real = (u32 *)page_dir.real;
agp_bridge->gatt_table = (u32 __iomem *)page_dir.remapped;
- agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
+ agp_bridge->gatt_bus_addr = virt_to_phys(page_dir.real);
/* Get the address for the gart region.
* This is a bus address even on the alpha, b/c its
/* Calculate the agp offset */
for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
- writel(virt_to_gart(amd_irongate_private.gatt_pages[i]->real) | 1,
+ writel(virt_to_phys(amd_irongate_private.gatt_pages[i]->real) | 1,
page_dir.remapped+GET_PAGE_DIR_OFF(addr));
readl(page_dir.remapped+GET_PAGE_DIR_OFF(addr)); /* PCI Posting. */
}
current_size = A_SIZE_LVL2(agp_bridge->current_size);
- /* Get the memory mapped registers */
- pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp);
- temp = (temp & PCI_BASE_ADDRESS_MEM_MASK);
- amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
+ if (!amd_irongate_private.registers) {
+ /* Get the memory mapped registers */
+ pci_read_config_dword(agp_bridge->dev, AMD_MMBASE, &temp);
+ temp = (temp & PCI_BASE_ADDRESS_MEM_MASK);
+ amd_irongate_private.registers = (volatile u8 __iomem *) ioremap(temp, 4096);
+ if (!amd_irongate_private.registers)
+ return -ENOMEM;
+ }
/* Write out the address of the gatt table */
writel(agp_bridge->gatt_bus_addr, amd_irongate_private.registers+AMD_ATTBASE);
j++;
}
- if (mem->is_flushed == FALSE) {
+ if (!mem->is_flushed) {
global_cache_flush();
- mem->is_flushed = TRUE;
+ mem->is_flushed = true;
}
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
writel(agp_generic_mask_memory(agp_bridge,
- mem->memory[i], mem->type), cur_gatt+GET_GATT_OFF(addr));
+ page_to_phys(mem->pages[i]),
+ mem->type),
+ cur_gatt+GET_GATT_OFF(addr));
readl(cur_gatt+GET_GATT_OFF(addr)); /* PCI Posting. */
}
amd_irongate_tlbflush(mem);
return 0;
}
-static struct aper_size_info_lvl2 amd_irongate_sizes[7] =
+static const struct aper_size_info_lvl2 amd_irongate_sizes[7] =
{
{2048, 524288, 0x0000000c},
{1024, 262144, 0x0000000a},
{32, 8192, 0x00000000}
};
-static struct gatt_mask amd_irongate_masks[] =
+static const struct gatt_mask amd_irongate_masks[] =
{
{.mask = 1, .type = 0}
};
-static struct agp_bridge_driver amd_irongate_driver = {
+static const struct agp_bridge_driver amd_irongate_driver = {
.owner = THIS_MODULE,
.aperture_sizes = amd_irongate_sizes,
.size_type = LVL2_APER_SIZE,
.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 struct agp_device_ids amd_agp_device_ids[] __devinitdata =
return -ENODEV;
j = ent - agp_amdk7_pci_table;
- printk(KERN_INFO PFX "Detected AMD %s chipset\n",
- amd_agp_device_ids[j].chipset_name);
+ dev_info(&pdev->dev, "AMD %s chipset\n",
+ amd_agp_device_ids[j].chipset_name);
bridge = agp_alloc_bridge();
if (!bridge)
system controller may experience noise due to strong drive strengths
*/
if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_7006) {
- u8 cap_ptr=0;
struct pci_dev *gfxcard=NULL;
+
+ cap_ptr = 0;
while (!cap_ptr) {
gfxcard = pci_get_class(PCI_CLASS_DISPLAY_VGA<<8, gfxcard);
if (!gfxcard) {
- printk (KERN_INFO PFX "Couldn't find an AGP VGA controller.\n");
+ dev_info(&pdev->dev, "no AGP VGA controller\n");
return -ENODEV;
}
cap_ptr = pci_find_capability(gfxcard, PCI_CAP_ID_AGP);
- if (!cap_ptr) {
- pci_dev_put(gfxcard);
- continue;
- }
}
/* With so many variants of NVidia cards, it's simpler just
(if necessary at all). */
if (gfxcard->vendor == PCI_VENDOR_ID_NVIDIA) {
agp_bridge->flags |= AGP_ERRATA_1X;
- printk (KERN_INFO PFX "AMD 751 chipset with NVidia GeForce detected. Forcing to 1X due to errata.\n");
+ dev_info(&pdev->dev, "AMD 751 chipset with NVidia GeForce; forcing 1X due to errata\n");
}
pci_dev_put(gfxcard);
}
* erratum 46: Setup violation on AGP SBA pins - Disable side band addressing.
* With this lot disabled, we should prevent lockups. */
if (agp_bridge->dev->device == PCI_DEVICE_ID_AMD_FE_GATE_700E) {
- u8 revision=0;
- pci_read_config_byte(pdev, PCI_REVISION_ID, &revision);
- if (revision == 0x10 || revision == 0x11) {
+ if (pdev->revision == 0x10 || pdev->revision == 0x11) {
agp_bridge->flags = AGP_ERRATA_FASTWRITES;
agp_bridge->flags |= AGP_ERRATA_SBA;
agp_bridge->flags |= AGP_ERRATA_1X;
- printk (KERN_INFO PFX "AMD 761 chipset with errata detected - disabling AGP fast writes & SBA and forcing to 1X.\n");
+ dev_info(&pdev->dev, "AMD 761 chipset with errata; disabling AGP fast writes & SBA and forcing to 1X\n");
}
}
agp_put_bridge(bridge);
}
+#ifdef CONFIG_PM
+
+static int agp_amdk7_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+ pci_save_state(pdev);
+ pci_set_power_state(pdev, pci_choose_state(pdev, state));
+
+ return 0;
+}
+
+static int agp_amdk7_resume(struct pci_dev *pdev)
+{
+ pci_set_power_state(pdev, PCI_D0);
+ pci_restore_state(pdev);
+
+ return amd_irongate_driver.configure();
+}
+
+#endif /* CONFIG_PM */
+
/* must be the same order as name table above */
static struct pci_device_id agp_amdk7_pci_table[] = {
{
.id_table = agp_amdk7_pci_table,
.probe = agp_amdk7_probe,
.remove = agp_amdk7_remove,
+#ifdef CONFIG_PM
+ .suspend = agp_amdk7_suspend,
+ .resume = agp_amdk7_resume,
+#endif
};
static int __init agp_amdk7_init(void)