[PATCH] v850: Update PCI support

These changes are untested (I no longer have the hardware).

Signed-off-by: Miles Bader <miles@gnu.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 31 insertions, 6 deletions

diff --git a/include/asm-v850/pci.h b/include/asm-v850/pci.h
index 8e79be0fe99d..4581826e1cac 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,
@@ -91,6 +113,9 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 }
 #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)
 {
 }