2 * Copyright 2005-2008 Analog Devices Inc.
4 * Licensed under the GPL-2 or later
7 #ifndef _MACH_FIO_FLAG_H
8 #define _MACH_FIO_FLAG_H
10 #include <asm/blackfin.h>
11 #include <asm/irqflags.h>
14 #define BFIN_WRITE_FIO_FLAG(name) \
15 static inline void bfin_write_FIO_FLAG_##name(unsigned short val) \
17 unsigned long flags; \
18 flags = hard_local_irq_save(); \
19 bfin_write16(FIO_FLAG_##name, val); \
21 hard_local_irq_restore(flags); \
23 BFIN_WRITE_FIO_FLAG(D)
24 BFIN_WRITE_FIO_FLAG(C)
25 BFIN_WRITE_FIO_FLAG(S)
26 BFIN_WRITE_FIO_FLAG(T)
28 #define BFIN_READ_FIO_FLAG(name) \
29 static inline u16 bfin_read_FIO_FLAG_##name(void) \
31 unsigned long flags; \
33 flags = hard_local_irq_save(); \
34 ret = bfin_read16(FIO_FLAG_##name); \
36 hard_local_irq_restore(flags); \
45 #define bfin_write_FIO_FLAG_D(val) bfin_write16(FIO_FLAG_D, val)
46 #define bfin_write_FIO_FLAG_C(val) bfin_write16(FIO_FLAG_C, val)
47 #define bfin_write_FIO_FLAG_S(val) bfin_write16(FIO_FLAG_S, val)
48 #define bfin_write_FIO_FLAG_T(val) bfin_write16(FIO_FLAG_T, val)
49 #define bfin_read_FIO_FLAG_T() bfin_read16(FIO_FLAG_T)
50 #define bfin_read_FIO_FLAG_C() bfin_read16(FIO_FLAG_C)
51 #define bfin_read_FIO_FLAG_S() bfin_read16(FIO_FLAG_S)
52 #define bfin_read_FIO_FLAG_D() bfin_read16(FIO_FLAG_D)
55 #endif /* _MACH_FIO_FLAG_H */