Merge of master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

drivers/char/agp/agp.h

@@ -278,6 +278,8 @@ void agp3_generic_cleanup(void);
 #define AGP_GENERIC_SIZES_ENTRIES 11
 extern struct aper_size_info_16 agp3_generic_sizes[];
 
+#define virt_to_gart(x) (phys_to_gart(virt_to_phys(x)))
+#define gart_to_virt(x) (phys_to_virt(gart_to_phys(x)))
 
 extern int agp_off;
 extern int agp_try_unsupported_boot;

drivers/char/agp/ali-agp.c

@@ -150,7 +150,7 @@ static void *m1541_alloc_page(struct agp_bridge_data *bridge)
 	pci_read_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL, &temp);
 	pci_write_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL,
 			(((temp & ALI_CACHE_FLUSH_ADDR_MASK) |
-			  virt_to_phys(addr)) | ALI_CACHE_FLUSH_EN ));
+			  virt_to_gart(addr)) | ALI_CACHE_FLUSH_EN ));
 	return addr;
 }
 
@@ -174,7 +174,7 @@ static void m1541_destroy_page(void * addr)
 	pci_read_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL, &temp);
 	pci_write_config_dword(agp_bridge->dev, ALI_CACHE_FLUSH_CTRL,
 			(((temp & ALI_CACHE_FLUSH_ADDR_MASK) |
-			  virt_to_phys(addr)) | ALI_CACHE_FLUSH_EN));
+			  virt_to_gart(addr)) | ALI_CACHE_FLUSH_EN));
 	agp_generic_destroy_page(addr);
 }
 

drivers/char/agp/amd-k7-agp.c

@@ -43,7 +43,7 @@ static int amd_create_page_map(struct amd_page_map *page_map)
 
 	SetPageReserved(virt_to_page(page_map->real));
 	global_cache_flush();
-	page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
+	page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
 					    PAGE_SIZE);
 	if (page_map->remapped == NULL) {
 		ClearPageReserved(virt_to_page(page_map->real));
@@ -154,7 +154,7 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 
 	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_phys(page_dir.real);
+	agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
 
 	/* Get the address for the gart region.
 	 * This is a bus address even on the alpha, b/c its
@@ -167,7 +167,7 @@ static int amd_create_gatt_table(struct agp_bridge_data *bridge)
 
 	/* Calculate the agp offset */
 	for (i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
-		writel(virt_to_phys(amd_irongate_private.gatt_pages[i]->real) | 1,
+		writel(virt_to_gart(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. */
 	}

drivers/char/agp/amd64-agp.c

@@ -219,7 +219,7 @@ static struct aper_size_info_32 amd_8151_sizes[7] =
 
 static int amd_8151_configure(void)
 {
-	unsigned long gatt_bus = virt_to_phys(agp_bridge->gatt_table_real);
+	unsigned long gatt_bus = virt_to_gart(agp_bridge->gatt_table_real);
 
 	/* Configure AGP regs in each x86-64 host bridge. */
 	for_each_nb() {
@@ -591,7 +591,7 @@ static void __devexit agp_amd64_remove(struct pci_dev *pdev)
 {
 	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
 
-	release_mem_region(virt_to_phys(bridge->gatt_table_real),
+	release_mem_region(virt_to_gart(bridge->gatt_table_real),
 			   amd64_aperture_sizes[bridge->aperture_size_idx].size);
 	agp_remove_bridge(bridge);
 	agp_put_bridge(bridge);

drivers/char/agp/ati-agp.c

@@ -61,7 +61,7 @@ static int ati_create_page_map(ati_page_map *page_map)
 
 	SetPageReserved(virt_to_page(page_map->real));
 	err = map_page_into_agp(virt_to_page(page_map->real));
-	page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
+	page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
 					    PAGE_SIZE);
 	if (page_map->remapped == NULL || err) {
 		ClearPageReserved(virt_to_page(page_map->real));
@@ -343,7 +343,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
 	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_bus(page_dir.real);
+	agp_bridge->gatt_bus_addr = virt_to_gart(page_dir.real);
 
 	/* Write out the size register */
 	current_size = A_SIZE_LVL2(agp_bridge->current_size);
@@ -373,7 +373,7 @@ static int ati_create_gatt_table(struct agp_bridge_data *bridge)
 
 	/* Calculate the agp offset */
 	for(i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
-		writel(virt_to_bus(ati_generic_private.gatt_pages[i]->real) | 1,
+		writel(virt_to_gart(ati_generic_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. */
 	}

drivers/char/agp/backend.c

@@ -148,7 +148,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 			return -ENOMEM;
 		}
 
-		bridge->scratch_page_real = virt_to_phys(addr);
+		bridge->scratch_page_real = virt_to_gart(addr);
 		bridge->scratch_page =
 		    bridge->driver->mask_memory(bridge, bridge->scratch_page_real, 0);
 	}
@@ -189,7 +189,7 @@ static int agp_backend_initialize(struct agp_bridge_data *bridge)
 err_out:
 	if (bridge->driver->needs_scratch_page)
 		bridge->driver->agp_destroy_page(
-				phys_to_virt(bridge->scratch_page_real));
+				gart_to_virt(bridge->scratch_page_real));
 	if (got_gatt)
 		bridge->driver->free_gatt_table(bridge);
 	if (got_keylist) {
@@ -214,7 +214,7 @@ static void agp_backend_cleanup(struct agp_bridge_data *bridge)
 	if (bridge->driver->agp_destroy_page &&
 	    bridge->driver->needs_scratch_page)
 		bridge->driver->agp_destroy_page(
-				phys_to_virt(bridge->scratch_page_real));
+				gart_to_virt(bridge->scratch_page_real));
 }
 
 /* When we remove the global variable agp_bridge from all drivers

drivers/char/agp/efficeon-agp.c

@@ -219,7 +219,7 @@ static int efficeon_create_gatt_table(struct agp_bridge_data *bridge)
 
 		efficeon_private.l1_table[index] = page;
 
-		value = __pa(page) | pati | present | index;
+		value = virt_to_gart(page) | pati | present | index;
 
 		pci_write_config_dword(agp_bridge->dev,
 			EFFICEON_ATTPAGE, value);

drivers/char/agp/generic.c

@@ -153,7 +153,7 @@ void agp_free_memory(struct agp_memory *curr)
 	}
 	if (curr->page_count != 0) {
 		for (i = 0; i < curr->page_count; i++) {
-			curr->bridge->driver->agp_destroy_page(phys_to_virt(curr->memory[i]));
+			curr->bridge->driver->agp_destroy_page(gart_to_virt(curr->memory[i]));
 		}
 	}
 	agp_free_key(curr->key);
@@ -209,7 +209,7 @@ struct agp_memory *agp_allocate_memory(struct agp_bridge_data *bridge,
 			agp_free_memory(new);
 			return NULL;
 		}
-		new->memory[i] = virt_to_phys(addr);
+		new->memory[i] = virt_to_gart(addr);
 		new->page_count++;
 	}
        new->bridge = bridge;
@@ -295,19 +295,6 @@ int agp_num_entries(void)
 EXPORT_SYMBOL_GPL(agp_num_entries);
 
 
-static int check_bridge_mode(struct pci_dev *dev)
-{
-	u32 agp3;
-	u8 cap_ptr;
-
-	cap_ptr = pci_find_capability(dev, PCI_CAP_ID_AGP);
-	pci_read_config_dword(dev, cap_ptr+AGPSTAT, &agp3);
-	if (agp3 & AGPSTAT_MODE_3_0)
-		return 1;
-	return 0;
-}
-
-
 /**
  *	agp_copy_info  -  copy bridge state information
  *
@@ -328,7 +315,7 @@ int agp_copy_info(struct agp_bridge_data *bridge, struct agp_kern_info *info)
 	info->version.minor = bridge->version->minor;
 	info->chipset = SUPPORTED;
 	info->device = bridge->dev;
-	if (check_bridge_mode(bridge->dev))
+	if (bridge->mode & AGPSTAT_MODE_3_0)
 		info->mode = bridge->mode & ~AGP3_RESERVED_MASK;
 	else
 		info->mode = bridge->mode & ~AGP2_RESERVED_MASK;
@@ -661,7 +648,7 @@ u32 agp_collect_device_status(struct agp_bridge_data *bridge, u32 requested_mode
 		bridge_agpstat &= ~AGPSTAT_FW;
 
 	/* Check to see if we are operating in 3.0 mode */
-	if (check_bridge_mode(agp_bridge->dev))
+	if (agp_bridge->mode & AGPSTAT_MODE_3_0)
 		agp_v3_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat);
 	else
 		agp_v2_parse_one(&requested_mode, &bridge_agpstat, &vga_agpstat);
@@ -732,7 +719,7 @@ void agp_generic_enable(struct agp_bridge_data *bridge, u32 requested_mode)
 
 	/* Do AGP version specific frobbing. */
 	if (bridge->major_version >= 3) {
-		if (check_bridge_mode(bridge->dev)) {
+		if (bridge->mode & AGPSTAT_MODE_3_0) {
 			/* If we have 3.5, we can do the isoch stuff. */
 			if (bridge->minor_version >= 5)
 				agp_3_5_enable(bridge);
@@ -806,8 +793,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 				break;
 			}
 
-			table = (char *) __get_free_pages(GFP_KERNEL,
-							  page_order);
+			table = alloc_gatt_pages(page_order);
 
 			if (table == NULL) {
 				i++;
@@ -838,7 +824,7 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 		size = ((struct aper_size_info_fixed *) temp)->size;
 		page_order = ((struct aper_size_info_fixed *) temp)->page_order;
 		num_entries = ((struct aper_size_info_fixed *) temp)->num_entries;
-		table = (char *) __get_free_pages(GFP_KERNEL, page_order);
+		table = alloc_gatt_pages(page_order);
 	}
 
 	if (table == NULL)
@@ -853,19 +839,19 @@ int agp_generic_create_gatt_table(struct agp_bridge_data *bridge)
 	agp_gatt_table = (void *)table;
 
 	bridge->driver->cache_flush();
-	bridge->gatt_table = ioremap_nocache(virt_to_phys(table),
+	bridge->gatt_table = ioremap_nocache(virt_to_gart(table),
 					(PAGE_SIZE * (1 << page_order)));
 	bridge->driver->cache_flush();
 
 	if (bridge->gatt_table == NULL) {
 		for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
 			ClearPageReserved(page);
 
-		free_pages((unsigned long) table, page_order);
+		free_gatt_pages(table, page_order);
 
 		return -ENOMEM;
 	}
-	bridge->gatt_bus_addr = virt_to_phys(bridge->gatt_table_real);
+	bridge->gatt_bus_addr = virt_to_gart(bridge->gatt_table_real);
 
 	/* AK: bogus, should encode addresses > 4GB */
 	for (i = 0; i < num_entries; i++) {
@@ -919,7 +905,7 @@ int agp_generic_free_gatt_table(struct agp_bridge_data *bridge)
 	for (page = virt_to_page(table); page <= virt_to_page(table_end); page++)
 		ClearPageReserved(page);
 
-	free_pages((unsigned long) bridge->gatt_table_real, page_order);
+	free_gatt_pages(bridge->gatt_table_real, page_order);
 
 	agp_gatt_table = NULL;
 	bridge->gatt_table = NULL;

drivers/char/agp/hp-agp.c

@@ -110,7 +110,7 @@ static int __init hp_zx1_ioc_shared(void)
 	hp->gart_size = HP_ZX1_GART_SIZE;
 	hp->gatt_entries = hp->gart_size / hp->io_page_size;
 
-	hp->io_pdir = phys_to_virt(readq(hp->ioc_regs+HP_ZX1_PDIR_BASE));
+	hp->io_pdir = gart_to_virt(readq(hp->ioc_regs+HP_ZX1_PDIR_BASE));
 	hp->gatt = &hp->io_pdir[HP_ZX1_IOVA_TO_PDIR(hp->gart_base)];
 
 	if (hp->gatt[0] != HP_ZX1_SBA_IOMMU_COOKIE) {
@@ -248,7 +248,7 @@ hp_zx1_configure (void)
 	agp_bridge->mode = readl(hp->lba_regs+hp->lba_cap_offset+PCI_AGP_STATUS);
 
 	if (hp->io_pdir_owner) {
-		writel(virt_to_phys(hp->io_pdir), hp->ioc_regs+HP_ZX1_PDIR_BASE);
+		writel(virt_to_gart(hp->io_pdir), hp->ioc_regs+HP_ZX1_PDIR_BASE);
 		readl(hp->ioc_regs+HP_ZX1_PDIR_BASE);
 		writel(hp->io_tlb_ps, hp->ioc_regs+HP_ZX1_TCNFG);
 		readl(hp->ioc_regs+HP_ZX1_TCNFG);

drivers/char/agp/i460-agp.c

@@ -372,7 +372,7 @@ static int i460_alloc_large_page (struct lp_desc *lp)
 	}
 	memset(lp->alloced_map, 0, map_size);
 
-	lp->paddr = virt_to_phys(lpage);
+	lp->paddr = virt_to_gart(lpage);
 	lp->refcount = 0;
 	atomic_add(I460_KPAGES_PER_IOPAGE, &agp_bridge->current_memory_agp);
 	return 0;
@@ -383,7 +383,7 @@ static void i460_free_large_page (struct lp_desc *lp)
 	kfree(lp->alloced_map);
 	lp->alloced_map = NULL;
 
-	free_pages((unsigned long) phys_to_virt(lp->paddr), I460_IO_PAGE_SHIFT - PAGE_SHIFT);
+	free_pages((unsigned long) gart_to_virt(lp->paddr), I460_IO_PAGE_SHIFT - PAGE_SHIFT);
 	atomic_sub(I460_KPAGES_PER_IOPAGE, &agp_bridge->current_memory_agp);
 }
 

drivers/char/agp/intel-agp.c

@@ -286,7 +286,7 @@ static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
 	if (new == NULL)
 		return NULL;
 
-	new->memory[0] = virt_to_phys(addr);
+	new->memory[0] = virt_to_gart(addr);
 	if (pg_count == 4) {
 		/* kludge to get 4 physical pages for ARGB cursor */
 		new->memory[1] = new->memory[0] + PAGE_SIZE;
@@ -329,10 +329,10 @@ static void intel_i810_free_by_type(struct agp_memory *curr)
 	agp_free_key(curr->key);
 	if(curr->type == AGP_PHYS_MEMORY) {
 		if (curr->page_count == 4)
-			i8xx_destroy_pages(phys_to_virt(curr->memory[0]));
+			i8xx_destroy_pages(gart_to_virt(curr->memory[0]));
 		else
 			agp_bridge->driver->agp_destroy_page(
-				 phys_to_virt(curr->memory[0]));
+				 gart_to_virt(curr->memory[0]));
 		vfree(curr->memory);
 	}
 	kfree(curr);
@@ -418,15 +418,17 @@ static void intel_i830_init_gtt_entries(void)
 		case I915_GMCH_GMS_STOLEN_48M:
 			/* Check it's really I915G */
 			if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
-			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB)
+			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
+			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB)
 				gtt_entries = MB(48) - KB(size);
 			else
 				gtt_entries = 0;
 			break;
 		case I915_GMCH_GMS_STOLEN_64M:
 			/* Check it's really I915G */
 			if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
-			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB)
+			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
+			    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB)
 				gtt_entries = MB(64) - KB(size);
 			else
 				gtt_entries = 0;
@@ -1662,6 +1664,14 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 		}
 		name = "915GM";
 		break;
+	case PCI_DEVICE_ID_INTEL_82945G_HB:
+		if (find_i830(PCI_DEVICE_ID_INTEL_82945G_IG)) {
+			bridge->driver = &intel_915_driver;
+		} else {
+			bridge->driver = &intel_845_driver;
+		}
+		name = "945G";
+		break;
 	case PCI_DEVICE_ID_INTEL_7505_0:
 		bridge->driver = &intel_7505_driver;
 		name = "E7505";
@@ -1801,6 +1811,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
 	ID(PCI_DEVICE_ID_INTEL_7205_0),
 	ID(PCI_DEVICE_ID_INTEL_82915G_HB),
 	ID(PCI_DEVICE_ID_INTEL_82915GM_HB),
+	ID(PCI_DEVICE_ID_INTEL_82945G_HB),
 	{ }
 };