floppy.h (4b4193256c8d3bc3a5397b5cd9494c2ad386317d) floppy.h (06cc5cf16591c3b1d63af2bbc9d33a66419ced98)
1/*
2 * Architecture specific parts of the Floppy driver
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 1995

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38alpha_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
39{
40 static unsigned long prev_size;
41 static dma_addr_t bus_addr = 0;
42 static char *prev_addr;
43 static int prev_dir;
44 int dir;
45
1/*
2 * Architecture specific parts of the Floppy driver
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * Copyright (C) 1995

--- 29 unchanged lines hidden (view full) ---

38alpha_fd_dma_setup(char *addr, unsigned long size, int mode, int io)
39{
40 static unsigned long prev_size;
41 static dma_addr_t bus_addr = 0;
42 static char *prev_addr;
43 static int prev_dir;
44 int dir;
45
46 dir = (mode != DMA_MODE_READ) ? PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE;
46 dir = (mode != DMA_MODE_READ) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
47
48 if (bus_addr
49 && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
50 /* different from last time -- unmap prev */
47
48 if (bus_addr
49 && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
50 /* different from last time -- unmap prev */
51 pci_unmap_single(isa_bridge, bus_addr, prev_size, prev_dir);
51 dma_unmap_single(&isa_bridge->dev, bus_addr, prev_size,
52 prev_dir);
52 bus_addr = 0;
53 }
54
55 if (!bus_addr) /* need to map it */
53 bus_addr = 0;
54 }
55
56 if (!bus_addr) /* need to map it */
56 bus_addr = pci_map_single(isa_bridge, addr, size, dir);
57 bus_addr = dma_map_single(&isa_bridge->dev, addr, size, dir);
57
58 /* remember this one as prev */
59 prev_addr = addr;
60 prev_size = size;
61 prev_dir = dir;
62
63 fd_clear_dma_ff();
64 fd_set_dma_mode(mode);

--- 49 unchanged lines hidden --- 		58
59 /* remember this one as prev */
60 prev_addr = addr;
61 prev_size = size;
62 prev_dir = dir;
63
64 fd_clear_dma_ff();
65 fd_set_dma_mode(mode);

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