File: ide_iops.h

package info (click to toggle)
linux-kernel-headers 2.5.999-test7-bk-17
  • links: PTS
  • area: main
  • in suites: sarge
  • size: 28,268 kB
  • ctags: 214,024
  • sloc: ansic: 324,929; cpp: 783; makefile: 79; asm: 61; sh: 61
file content (38 lines) | stat: -rw-r--r-- 751 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
/* Generic I/O and MEMIO string operations.  */

#define __ide_insw	insw
#define __ide_insl	insl
#define __ide_outsw	outsw
#define __ide_outsl	outsl

static __inline__ void __ide_mm_insw(unsigned long port, void *addr, u32 count)
{
	while (count--) {
		*(u16 *)addr = readw(port);
		addr += 2;
	}
}

static __inline__ void __ide_mm_insl(unsigned long port, void *addr, u32 count)
{
	while (count--) {
		*(u32 *)addr = readl(port);
		addr += 4;
	}
}

static __inline__ void __ide_mm_outsw(unsigned long port, void *addr, u32 count)
{
	while (count--) {
		writew(*(u16 *)addr, port);
		addr += 2;
	}
}

static __inline__ void __ide_mm_outsl(unsigned long port, void *addr, u32 count)
{
	while (count--) {
		writel(*(u32 *)addr, port);
		addr += 4;
	}
}