gpio-feature.c File Reference

#include <asm/pmac_feature.h>
#include <linux/interrupt.h>
#include "../aoa.h"

Go to the source code of this file.

Macros
#define	SWITCH_GPIO(name, v, on)
#define	FTR_GPIO(name, bit)

Functions
	FTR_GPIO (headphone, 0)
	FTR_GPIO (amp, 1)
	FTR_GPIO (lineout, 2)
	FTR_GPIO (master, 3)
	EXPORT_SYMBOL_GPL (ftr_gpio_methods)

Variables
struct gpio_methods *	ftr_gpio_methods = &methods

Macro Definition Documentation

#define FTR_GPIO	(		name,
			bit
	)

Value:

static void ftr_gpio_set_##name(struct gpio_runtime *rt, int on)\
{                               \
    int v;                          \
								\
	if (unlikely(!rt)) return;             \
                                \
    if (name##_mute_gpio < 0)               \
        return;                     \
                                \
    v = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL,     \
                  name##_mute_gpio,         \
                  0);               \
                                \
    /* muted = !on... */                    \
    v = SWITCH_GPIO(name##_mute, v, !on);           \
                                \
    pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL,        \
              name##_mute_gpio, v);         \
                                \
    rt->implementation_private &= ~(1<<bit);        \
    rt->implementation_private |= (!!on << bit);        \
}                               \
static int ftr_gpio_get_##name(struct gpio_runtime *rt)     \
{                               \
    if (unlikely(!rt)) return 0;                \
    return (rt->implementation_private>>bit)&1;     \
}

Definition at line 129 of file gpio-feature.c.

#define SWITCH_GPIO	(		name,
			v,
			on
	)

Value:

(((v)&~1) | ((on)?                  \
            (name##_gpio_activestate==0?4:5):   \
            (name##_gpio_activestate==0?5:4)))

Definition at line 124 of file gpio-feature.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

ftr_gpio_methods

)

FTR_GPIO	(	headphone	,
		0
	)

FTR_GPIO	(	amp	,
		1
	)

FTR_GPIO	(	lineout	,
		2
	)

FTR_GPIO	(	master	,
		3
	)

Variable Documentation

struct gpio_methods* ftr_gpio_methods = &methods

Definition at line 421 of file gpio-feature.c.