diff options
Diffstat (limited to 'include/asm-v850/pci.h')
| -rw-r--r-- | include/asm-v850/pci.h | 47 |
1 files changed, 41 insertions, 6 deletions
diff --git a/include/asm-v850/pci.h b/include/asm-v850/pci.h index e41941447b4..4581826e1ca 100644 --- a/include/asm-v850/pci.h +++ b/include/asm-v850/pci.h @@ -1,8 +1,8 @@ /* * include/asm-v850/pci.h -- PCI support * - * Copyright (C) 2001,02 NEC Corporation - * Copyright (C) 2001,02 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,02,05 NEC Corporation + * Copyright (C) 2001,02,05 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU General * Public License. See the file COPYING in the main directory of this @@ -48,12 +48,12 @@ pci_unmap_single (struct pci_dev *pdev, dma_addr_t dma_addr, size_t size, perform a pci_dma_sync_for_device, and then the device again owns the buffer. */ extern void -pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, - int dir); +pci_dma_sync_single_for_cpu (struct pci_dev *dev, dma_addr_t dma_addr, + size_t size, int dir); extern void -pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, size_t size, - int dir); +pci_dma_sync_single_for_device (struct pci_dev *dev, dma_addr_t dma_addr, + size_t size, int dir); /* Do multiple DMA mappings at once. */ @@ -65,6 +65,28 @@ extern void pci_unmap_sg (struct pci_dev *pdev, struct scatterlist *sg, int sg_len, int dir); +/* SG-list versions of pci_dma_sync functions. */ +extern void +pci_dma_sync_sg_for_cpu (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir); +extern void +pci_dma_sync_sg_for_device (struct pci_dev *dev, + struct scatterlist *sg, int sg_len, + int dir); + +#define pci_map_page(dev, page, offs, size, dir) \ + pci_map_single(dev, (page_address(page) + (offs)), size, dir) +#define pci_unmap_page(dev,addr,sz,dir) \ + pci_unmap_single(dev, addr, sz, dir) + +/* Test for pci_map_single or pci_map_page having generated an error. */ +static inline int +pci_dma_mapping_error (dma_addr_t dma_addr) +{ + return dma_addr == 0; +} + /* Allocate and map kernel buffer using consistent mode DMA for PCI device. Returns non-NULL cpu-view pointer to the buffer if successful and sets *DMA_ADDR to the pci side dma address as well, @@ -81,6 +103,19 @@ extern void pci_free_consistent (struct pci_dev *pdev, size_t size, void *cpu_addr, dma_addr_t dma_addr); +#ifdef CONFIG_PCI +static inline void pci_dma_burst_advice(struct pci_dev *pdev, + enum pci_dma_burst_strategy *strat, + unsigned long *strategy_parameter) +{ + *strat = PCI_DMA_BURST_INFINITY; + *strategy_parameter = ~0UL; +} +#endif + +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +extern void pci_iounmap (struct pci_dev *dev, void __iomem *addr); + static inline void pcibios_add_platform_entries(struct pci_dev *dev) { } |