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10#ifndef __ASM_ALPHA_FLOPPY_H
11#define __ASM_ALPHA_FLOPPY_H
12
13
14#define fd_inb(base, reg) inb_p((base) + (reg))
15#define fd_outb(value, base, reg) outb_p(value, (base) + (reg))
16
17#define fd_enable_dma() enable_dma(FLOPPY_DMA)
18#define fd_disable_dma() disable_dma(FLOPPY_DMA)
19#define fd_request_dma() request_dma(FLOPPY_DMA,"floppy")
20#define fd_free_dma() free_dma(FLOPPY_DMA)
21#define fd_clear_dma_ff() clear_dma_ff(FLOPPY_DMA)
22#define fd_set_dma_mode(mode) set_dma_mode(FLOPPY_DMA,mode)
23#define fd_set_dma_addr(addr) set_dma_addr(FLOPPY_DMA,virt_to_bus(addr))
24#define fd_set_dma_count(count) set_dma_count(FLOPPY_DMA,count)
25#define fd_enable_irq() enable_irq(FLOPPY_IRQ)
26#define fd_disable_irq() disable_irq(FLOPPY_IRQ)
27#define fd_request_irq() request_irq(FLOPPY_IRQ, floppy_interrupt,\
28 0, "floppy", NULL)
29#define fd_free_irq() free_irq(FLOPPY_IRQ, NULL)
30
31#ifdef CONFIG_PCI
32
33#include <linux/pci.h>
34
35#define fd_dma_setup(addr,size,mode,io) alpha_fd_dma_setup(addr,size,mode,io)
36
37static __inline__ int
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;
47
48 if (bus_addr
49 && (addr != prev_addr || size != prev_size || dir != prev_dir)) {
50
51 pci_unmap_single(isa_bridge, bus_addr, prev_size, prev_dir);
52 bus_addr = 0;
53 }
54
55 if (!bus_addr)
56 bus_addr = pci_map_single(isa_bridge, addr, size, dir);
57
58
59 prev_addr = addr;
60 prev_size = size;
61 prev_dir = dir;
62
63 fd_clear_dma_ff();
64 fd_set_dma_mode(mode);
65 set_dma_addr(FLOPPY_DMA, bus_addr);
66 fd_set_dma_count(size);
67 virtual_dma_port = io;
68 fd_enable_dma();
69
70 return 0;
71}
72
73#endif
74
75__inline__ void virtual_dma_init(void)
76{
77
78}
79
80static int FDC1 = 0x3f0;
81static int FDC2 = -1;
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85
86#define FLOPPY0_TYPE 6
87#define FLOPPY1_TYPE 0
88
89#define N_FDC 2
90#define N_DRIVE 8
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105static inline unsigned long CROSS_64KB(void *a, unsigned long s)
106{
107 unsigned long p = (unsigned long)a;
108 return ((p + s - 1) ^ p) & ~0xffffUL;
109}
110
111#define EXTRA_FLOPPY_PARAMS
112
113#endif
114