Ejemplos de serverworks_create_gatt_pages en C++ (Cpp)

Ejemplo n.º 1

Archivo: sworks-agp.c Proyecto: wxlong/Test

static int serverworks_create_gatt_table(void)
{
	struct aper_size_info_lvl2 *value;
	struct serverworks_page_map page_dir;
	int retval;
	u32 temp;
	int i;

	value = A_SIZE_LVL2(agp_bridge->current_size);
	retval = serverworks_create_page_map(&page_dir);
	if (retval != 0) {
		return retval;
	}
	retval = serverworks_create_page_map(&serverworks_private.scratch_dir);
	if (retval != 0) {
		serverworks_free_page_map(&page_dir);
		return retval;
	}
	/* Create a fake scratch directory */
	for(i = 0; i < 1024; i++) {
		serverworks_private.scratch_dir.remapped[i] = (unsigned long) agp_bridge->scratch_page;
		page_dir.remapped[i] =
			virt_to_phys(serverworks_private.scratch_dir.real);
		page_dir.remapped[i] |= 0x00000001;
	}

	retval = serverworks_create_gatt_pages(value->num_entries / 1024);
	if (retval != 0) {
		serverworks_free_page_map(&page_dir);
		serverworks_free_page_map(&serverworks_private.scratch_dir);
		return retval;
	}

	agp_bridge->gatt_table_real = (u32 *)page_dir.real;
	agp_bridge->gatt_table = (u32 *)page_dir.remapped;
	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
	 * used to program the agp master not the cpu
	 */

	pci_read_config_dword(agp_bridge->dev,serverworks_private.gart_addr_ofs,&temp);
	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);

	/* Calculate the agp offset */	

	for(i = 0; i < value->num_entries / 1024; i++) {
		page_dir.remapped[i] =
			virt_to_phys(serverworks_private.gatt_pages[i]->real);
		page_dir.remapped[i] |= 0x00000001;
	}

	return 0;
}

Ejemplo n.º 2

Archivo: sworks-agp.c Proyecto: MiniBlu/cm11_kernel_htc_msm8974a3ul

static int serverworks_create_gatt_table(struct agp_bridge_data *bridge)
{
    struct aper_size_info_lvl2 *value;
    struct serverworks_page_map page_dir;
    int retval;
    u32 temp;
    int i;

    value = A_SIZE_LVL2(agp_bridge->current_size);
    retval = serverworks_create_page_map(&page_dir);
    if (retval != 0) {
        return retval;
    }
    retval = serverworks_create_page_map(&serverworks_private.scratch_dir);
    if (retval != 0) {
        serverworks_free_page_map(&page_dir);
        return retval;
    }

    for (i = 0; i < 1024; i++) {
        writel(agp_bridge->scratch_page, serverworks_private.scratch_dir.remapped+i);
        writel(virt_to_phys(serverworks_private.scratch_dir.real) | 1, page_dir.remapped+i);
    }

    retval = serverworks_create_gatt_pages(value->num_entries / 1024);
    if (retval != 0) {
        serverworks_free_page_map(&page_dir);
        serverworks_free_page_map(&serverworks_private.scratch_dir);
        return retval;
    }

    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);


    pci_read_config_dword(agp_bridge->dev,serverworks_private.gart_addr_ofs,&temp);
    agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);


    for (i = 0; i < value->num_entries / 1024; i++)
        writel(virt_to_phys(serverworks_private.gatt_pages[i]->real)|1, page_dir.remapped+i);

    return 0;
}