2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1994-1996 Linus Torvalds & authors
8 * Copied from i386; many of the especially older MIPS or ISA-based platforms
9 * are basically identical. Using this file probably implies i8259 PIC
10 * support in a system but the very least interrupt numbers 0 - 15 need to
11 * be put aside for legacy devices.
13 #ifndef __ASM_MACH_GENERIC_IDE_H
14 #define __ASM_MACH_GENERIC_IDE_H
18 #include <linux/pci.h>
19 #include <linux/stddef.h>
20 #include <asm/processor.h>
22 /* MIPS port and memory-mapped I/O string operations. */
23 static inline void __ide_flush_prologue(void)
26 if (cpu_has_dc_aliases
)
31 static inline void __ide_flush_epilogue(void)
34 if (cpu_has_dc_aliases
)
39 static inline void __ide_flush_dcache_range(unsigned long addr
, unsigned long size
)
41 if (cpu_has_dc_aliases
) {
42 unsigned long end
= addr
+ size
;
45 local_flush_data_cache_page((void *)addr
);
51 static inline void __ide_insw(unsigned long port
, void *addr
,
54 __ide_flush_prologue();
55 insw(port
, addr
, count
);
56 __ide_flush_dcache_range((unsigned long)addr
, count
* 2);
57 __ide_flush_epilogue();
60 static inline void __ide_insl(unsigned long port
, void *addr
, unsigned int count
)
62 __ide_flush_prologue();
63 insl(port
, addr
, count
);
64 __ide_flush_dcache_range((unsigned long)addr
, count
* 4);
65 __ide_flush_epilogue();
68 static inline void __ide_outsw(unsigned long port
, const void *addr
,
71 __ide_flush_prologue();
72 outsw(port
, addr
, count
);
73 __ide_flush_dcache_range((unsigned long)addr
, count
* 2);
74 __ide_flush_epilogue();
77 static inline void __ide_outsl(unsigned long port
, const void *addr
,
80 __ide_flush_prologue();
81 outsl(port
, addr
, count
);
82 __ide_flush_dcache_range((unsigned long)addr
, count
* 4);
83 __ide_flush_epilogue();
86 static inline void __ide_mm_insw(void __iomem
*port
, void *addr
, u32 count
)
88 __ide_flush_prologue();
89 readsw(port
, addr
, count
);
90 __ide_flush_dcache_range((unsigned long)addr
, count
* 2);
91 __ide_flush_epilogue();
94 static inline void __ide_mm_insl(void __iomem
*port
, void *addr
, u32 count
)
96 __ide_flush_prologue();
97 readsl(port
, addr
, count
);
98 __ide_flush_dcache_range((unsigned long)addr
, count
* 4);
99 __ide_flush_epilogue();
102 static inline void __ide_mm_outsw(void __iomem
*port
, void *addr
, u32 count
)
104 __ide_flush_prologue();
105 writesw(port
, addr
, count
);
106 __ide_flush_dcache_range((unsigned long)addr
, count
* 2);
107 __ide_flush_epilogue();
110 static inline void __ide_mm_outsl(void __iomem
* port
, void *addr
, u32 count
)
112 __ide_flush_prologue();
113 writesl(port
, addr
, count
);
114 __ide_flush_dcache_range((unsigned long)addr
, count
* 4);
115 __ide_flush_epilogue();
118 /* ide_insw calls insw, not __ide_insw. Why? */
123 #define insw(port, addr, count) __ide_insw(port, addr, count)
124 #define insl(port, addr, count) __ide_insl(port, addr, count)
125 #define outsw(port, addr, count) __ide_outsw(port, addr, count)
126 #define outsl(port, addr, count) __ide_outsl(port, addr, count)
128 #endif /* __KERNEL__ */
130 #endif /* __ASM_MACH_GENERIC_IDE_H */