iohelper.h File Reference

Go to the source code of this file.

Data Structures
struct	_ioport

Macros
#define	IOFUNC_IO(name, hws, ap)
#define	IOFUNC_IND(name, hws, ap)
#define	IOFUNC_MEMIO(name, hws, typ, adr)
#define	ASSIGN_FUNC(typ, name, dest)
#define	ASSIGN_FUNC_IPAC(typ, target)

Typedefs
typedef u8(	read_reg_func )(void *hwp, u8 offset)
typedef void(	write_reg_func )(void *hwp, u8 offset, u8 value)
typedef void(	fifo_func )(void *hwp, u8 offset, u8 *datap, int size)

Macro Definition Documentation

#define ASSIGN_FUNC	(		typ,
			name,
			dest
	)

Value:

do {            \
        dest.read_reg = &Read##name##_##typ;        \
        dest.write_reg = &Write##name##_##typ;      \
        dest.read_fifo = &ReadFiFo##name##_##typ;   \
        dest.write_fifo = &WriteFiFo##name##_##typ; \
    } while (0)

Definition at line 98 of file iohelper.h.

#define ASSIGN_FUNC_IPAC	(		typ,
			target
	)

Value:

do {        \
        ASSIGN_FUNC(typ, ISAC, target.isac);    \
        ASSIGN_FUNC(typ, IPAC, target);     \
    } while (0)

Definition at line 104 of file iohelper.h.

#define IOFUNC_IND	(		name,
			hws,
			ap
	)

Value:

static u8 Read##name##_IND(void *p, u8 off) {           \
		struct hws *hw = p;                   \
        outb(off, hw->ap.ale);                  \
        return inb(hw->ap.port);                \
    }                               \
    static void Write##name##_IND(void *p, u8 off, u8 val) {    \
		struct hws *hw = p;                   \
        outb(off, hw->ap.ale);                  \
        outb(val, hw->ap.port);                 \
    }                               \
    static void ReadFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        outb(off, hw->ap.ale);                  \
        insb(hw->ap.port, dp, size);                \
    }                               \
    static void WriteFiFo##name##_IND(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        outb(off, hw->ap.ale);                  \
        outsb(hw->ap.port, dp, size);               \
    }

Definition at line 56 of file iohelper.h.

#define IOFUNC_IO	(		name,
			hws,
			ap
	)

Value:

static u8 Read##name##_IO(void *p, u8 off) {            \
		struct hws *hw = p;                   \
        return inb(hw->ap.port + off);              \
    }                               \
    static void Write##name##_IO(void *p, u8 off, u8 val) {     \
		struct hws *hw = p;                   \
        outb(val, hw->ap.port + off);               \
    }                               \
    static void ReadFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        insb(hw->ap.port + off, dp, size);          \
    }                               \
    static void WriteFiFo##name##_IO(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        outsb(hw->ap.port + off, dp, size);         \
    }

Definition at line 38 of file iohelper.h.

#define IOFUNC_MEMIO	(		name,
			hws,
			typ,
			adr
	)

Value:

static u8 Read##name##_MIO(void *p, u8 off) {           \
		struct hws *hw = p;                   \
        return readb(((typ *)hw->adr) + off);           \
    }                               \
    static void Write##name##_MIO(void *p, u8 off, u8 val) {    \
		struct hws *hw = p;                   \
        writeb(val, ((typ *)hw->adr) + off);            \
    }                               \
    static void ReadFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        while (size--)                      \
            *dp++ = readb(((typ *)hw->adr) + off);      \
    }                               \
    static void WriteFiFo##name##_MIO(void *p, u8 off, u8 *dp, int size) { \
		struct hws *hw = p;                   \
        while (size--)                      \
            writeb(*dp++, ((typ *)hw->adr) + off);      \
    }

Definition at line 78 of file iohelper.h.

Typedef Documentation

typedef void( fifo_func)(void *hwp, u8 offset, u8 *datap, int size)

Definition at line 31 of file iohelper.h.

typedef u8( read_reg_func)(void *hwp, u8 offset)

Definition at line 29 of file iohelper.h.

typedef void( write_reg_func)(void *hwp, u8 offset, u8 value)

Definition at line 30 of file iohelper.h.