diff options
Diffstat (limited to 'linux-core/i915_compat.c')
| -rw-r--r-- | linux-core/i915_compat.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/linux-core/i915_compat.c b/linux-core/i915_compat.c deleted file mode 100644 index f3e0a081..00000000 --- a/linux-core/i915_compat.c +++ /dev/null @@ -1,215 +0,0 @@ -#include "drmP.h" - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25) - -#include "i915_drm.h" -#include "i915_drv.h" - -#define PCI_DEVICE_ID_INTEL_82946GZ_HB 0x2970 -#define PCI_DEVICE_ID_INTEL_82965G_1_HB 0x2980 -#define PCI_DEVICE_ID_INTEL_82965Q_HB 0x2990 -#define PCI_DEVICE_ID_INTEL_82965G_HB 0x29A0 -#define PCI_DEVICE_ID_INTEL_82965GM_HB 0x2A00 -#define PCI_DEVICE_ID_INTEL_82965GME_HB 0x2A10 -#define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC -#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0 -#define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0 -#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0 - -#define I915_IFPADDR 0x60 -#define I965_IFPADDR 0x70 - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21) -#define upper_32_bits(_val) (((u64)(_val)) >> 32) -#endif - -static struct _i9xx_private_compat { - void __iomem *flush_page; - int resource_valid; - struct resource ifp_resource; -} i9xx_private; - -static struct _i8xx_private_compat { - void *flush_page; - struct page *page; -} i8xx_private; - -static void -intel_compat_align_resource(void *data, struct resource *res, - resource_size_t size, resource_size_t align) -{ - return; -} - - -static int intel_alloc_chipset_flush_resource(struct pci_dev *pdev) -{ - int ret; - ret = pci_bus_alloc_resource(pdev->bus, &i9xx_private.ifp_resource, PAGE_SIZE, - PAGE_SIZE, PCIBIOS_MIN_MEM, 0, - intel_compat_align_resource, pdev); - if (ret != 0) - return ret; - - return 0; -} - -static void intel_i915_setup_chipset_flush(struct pci_dev *pdev) -{ - int ret; - u32 temp; - - pci_read_config_dword(pdev, I915_IFPADDR, &temp); - if (!(temp & 0x1)) { - intel_alloc_chipset_flush_resource(pdev); - i9xx_private.resource_valid = 1; - pci_write_config_dword(pdev, I915_IFPADDR, (i9xx_private.ifp_resource.start & 0xffffffff) | 0x1); - } else { - temp &= ~1; - - i9xx_private.resource_valid = 1; - i9xx_private.ifp_resource.start = temp; - i9xx_private.ifp_resource.end = temp + PAGE_SIZE; - ret = request_resource(&iomem_resource, &i9xx_private.ifp_resource); - if (ret) { - i9xx_private.resource_valid = 0; - printk("Failed inserting resource into tree\n"); - } - } -} - -static void intel_i965_g33_setup_chipset_flush(struct pci_dev *pdev) -{ - u32 temp_hi, temp_lo; - int ret; - - pci_read_config_dword(pdev, I965_IFPADDR + 4, &temp_hi); - pci_read_config_dword(pdev, I965_IFPADDR, &temp_lo); - - if (!(temp_lo & 0x1)) { - - intel_alloc_chipset_flush_resource(pdev); - - i9xx_private.resource_valid = 1; - pci_write_config_dword(pdev, I965_IFPADDR + 4, - upper_32_bits(i9xx_private.ifp_resource.start)); - pci_write_config_dword(pdev, I965_IFPADDR, (i9xx_private.ifp_resource.start & 0xffffffff) | 0x1); - } else { - u64 l64; - - temp_lo &= ~0x1; - l64 = ((u64)temp_hi << 32) | temp_lo; - - i9xx_private.resource_valid = 1; - i9xx_private.ifp_resource.start = l64; - i9xx_private.ifp_resource.end = l64 + PAGE_SIZE; - ret = request_resource(&iomem_resource, &i9xx_private.ifp_resource); - if (ret) { - i9xx_private.resource_valid = 0; - printk("Failed inserting resource into tree\n"); - } - } -} - -static void intel_i8xx_fini_flush(struct drm_device *dev) -{ - kunmap(i8xx_private.page); - i8xx_private.flush_page = NULL; - unmap_page_from_agp(i8xx_private.page); - flush_agp_mappings(); - - __free_page(i8xx_private.page); -} - -static void intel_i8xx_setup_flush(struct drm_device *dev) -{ - - i8xx_private.page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32); - if (!i8xx_private.page) { - return; - } - - /* make page uncached */ - map_page_into_agp(i8xx_private.page); - flush_agp_mappings(); - - i8xx_private.flush_page = kmap(i8xx_private.page); - if (!i8xx_private.flush_page) - intel_i8xx_fini_flush(dev); -} - - -static void intel_i8xx_flush_page(struct drm_device *dev) -{ - unsigned int *pg = i8xx_private.flush_page; - int i; - - /* HAI NUT CAN I HAZ HAMMER?? */ - for (i = 0; i < 256; i++) - *(pg + i) = i; - - DRM_MEMORYBARRIER(); -} - -static void intel_i9xx_setup_flush(struct drm_device *dev) -{ - struct pci_dev *agp_dev = dev->agp->agp_info.device; - - i9xx_private.ifp_resource.name = "GMCH IFPBAR"; - i9xx_private.ifp_resource.flags = IORESOURCE_MEM; - - /* Setup chipset flush for 915 */ - if (IS_I965G(dev) || IS_G33(dev)) { - intel_i965_g33_setup_chipset_flush(agp_dev); - } else { - intel_i915_setup_chipset_flush(agp_dev); - } - - if (i9xx_private.ifp_resource.start) { - i9xx_private.flush_page = ioremap_nocache(i9xx_private.ifp_resource.start, PAGE_SIZE); - if (!i9xx_private.flush_page) - printk("unable to ioremap flush page - no chipset flushing"); - } -} - -static void intel_i9xx_fini_flush(struct drm_device *dev) -{ - iounmap(i9xx_private.flush_page); - if (i9xx_private.resource_valid) - release_resource(&i9xx_private.ifp_resource); - i9xx_private.resource_valid = 0; -} - -static void intel_i9xx_flush_page(struct drm_device *dev) -{ - if (i9xx_private.flush_page) - writel(1, i9xx_private.flush_page); -} - -void intel_init_chipset_flush_compat(struct drm_device *dev) -{ - /* not flush on i8xx */ - if (IS_I9XX(dev)) - intel_i9xx_setup_flush(dev); - else - intel_i8xx_setup_flush(dev); - -} - -void intel_fini_chipset_flush_compat(struct drm_device *dev) -{ - /* not flush on i8xx */ - if (IS_I9XX(dev)) - intel_i9xx_fini_flush(dev); - else - intel_i8xx_fini_flush(dev); -} - -void drm_agp_chipset_flush(struct drm_device *dev) -{ - if (IS_I9XX(dev)) - intel_i9xx_flush_page(dev); - else - intel_i8xx_flush_page(dev); -} -#endif |