PCI: remove pci_dac_dma_... APIs

[safe/jmp/linux-2.6] / include / asm-powerpc / pci.h

diff --git a/include/asm-powerpc/pci.h b/include/asm-powerpc/pci.h
index 721c97f..e16e7bc 100644 (file)
--- a/include/asm-powerpc/pci.h
+++ b/include/asm-powerpc/pci.h
@@ -70,19 +70,10 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
  */
 #define PCI_DISABLE_MWI
 
-extern struct dma_mapping_ops pci_dma_ops;
-
-/* For DAC DMA, we currently don't support it by default, but
- * we let 64-bit platforms override this.
- */
-static inline int pci_dac_dma_supported(struct pci_dev *hwdev,u64 mask)
-{
-       if (pci_dma_ops.dac_dma_supported)
-               return pci_dma_ops.dac_dma_supported(&hwdev->dev, mask);
-       return 0;
-}
-
 #ifdef CONFIG_PCI
+extern void set_pci_dma_ops(struct dma_mapping_ops *dma_ops);
+extern struct dma_mapping_ops *get_pci_dma_ops(void);
+
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
                                        enum pci_dma_burst_strategy *strat,
                                        unsigned long *strategy_parameter)
@@ -99,6 +90,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
        *strat = PCI_DMA_BURST_MULTIPLE;
        *strategy_parameter = cacheline_size;
 }
+#else  /* CONFIG_PCI */
+#define set_pci_dma_ops(d)
+#define get_pci_dma_ops()      NULL
 #endif
 
 extern int pci_domain_nr(struct pci_bus *bus);
@@ -118,12 +112,6 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 }
 #endif
 
-/*
- * At present there are very few 32-bit PPC machines that can have
- * memory above the 4GB point, and we don't support that.
- */
-#define pci_dac_dma_supported(pci_dev, mask)   (0)
-
 /* Return the index of the PCI controller for device PDEV. */
 #define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
 
@@ -143,8 +131,13 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
 #define HAVE_PCI_MMAP  1
 
-#ifdef CONFIG_PPC64
-/* pci_unmap_{single,page} is not a nop, thus... */
+#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
+/*
+ * For 64-bit kernels, pci_unmap_{single,page} is not a nop.
+ * For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and
+ * so on are not nops.
+ * and thus...
+ */
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)      \
        dma_addr_t ADDR_NAME;
 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)                \
@@ -158,6 +151,20 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
 #define pci_unmap_len_set(PTR, LEN_NAME, VAL)          \
        (((PTR)->LEN_NAME) = (VAL))
 
+#else /* 32-bit && coherent */
+
+/* pci_unmap_{page,single} is a nop so... */
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
+#define pci_unmap_addr(PTR, ADDR_NAME)         (0)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)        do { } while (0)
+#define pci_unmap_len(PTR, LEN_NAME)           (0)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL)  do { } while (0)
+
+#endif /* CONFIG_PPC64 || CONFIG_NOT_COHERENT_CACHE */
+
+#ifdef CONFIG_PPC64
+
 /* The PCI address space does not equal the physical memory address
  * space (we have an IOMMU).  The IDE and SCSI device layers use
  * this boolean for bounce buffer decisions.
@@ -172,16 +179,8 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)         (0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)        do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)           (0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)  do { } while (0)
-
 #endif /* CONFIG_PPC64 */
-       
+
 extern void pcibios_resource_to_bus(struct pci_dev *dev,
                        struct pci_bus_region *region,
                        struct resource *res);
@@ -210,6 +209,8 @@ extern int remap_bus_range(struct pci_bus *bus);
 extern void pcibios_fixup_device_resources(struct pci_dev *dev,
                        struct pci_bus *bus);
 
+extern void pcibios_setup_new_device(struct pci_dev *dev);
+
 extern void pcibios_claim_one_bus(struct pci_bus *b);
 
 extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
@@ -224,20 +225,16 @@ extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
 
 extern int pci_read_irq_line(struct pci_dev *dev);
 
-extern void pcibios_add_platform_entries(struct pci_dev *dev);
-
 struct file;
 extern pgprot_t        pci_phys_mem_access_prot(struct file *file,
                                         unsigned long pfn,
                                         unsigned long size,
                                         pgprot_t prot);
 
-#if defined(CONFIG_PPC_MULTIPLATFORM) || defined(CONFIG_PPC32)
 #define HAVE_ARCH_PCI_RESOURCE_TO_USER
 extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
                                 const struct resource *rsrc,
                                 resource_size_t *start, resource_size_t *end);
-#endif /* CONFIG_PPC_MULTIPLATFORM || CONFIG_PPC32 */
 
 #endif /* __KERNEL__ */
 #endif /* __ASM_POWERPC_PCI_H */