simple_amplifier.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/mutex.h>
#include <sys/rman.h>
#include <sys/resource.h>
#include <machine/bus.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/extres/regulator/regulator.h>
#include <dev/gpio/gpiobusvar.h>
#include "opt_snd.h"
#include <dev/sound/pcm/sound.h>
#include <dev/sound/fdt/audio_dai.h>
#include "audio_dai_if.h"

Include dependency graph for simple_amplifier.c:

Go to the source code of this file.

Data Structures
struct	simple_amp_softc

Functions
	__FBSDID ("$FreeBSD$")
static int	simple_amp_probe (device_t dev)
static int	simple_amp_attach (device_t dev)
static int	simple_amp_detach (device_t dev)
static int	simple_amp_dai_init (device_t dev, uint32_t format)
static int	simple_amp_dai_trigger (device_t dev, int go, int pcm_dir)
	DRIVER_MODULE (simple_amp, simplebus, simple_amp_driver, simple_amp_devclass, 0, 0)
	SIMPLEBUS_PNP_INFO (compat_data)

Variables
static struct ofw_compat_data	compat_data []
static device_method_t	simple_amp_methods []
static driver_t	simple_amp_driver
static devclass_t	simple_amp_devclass

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

DRIVER_MODULE()

DRIVER_MODULE	(	simple_amp	,
		simplebus	,
		simple_amp_driver	,
		simple_amp_devclass	,
		0	,
		0
	)

simple_amp_attach()

static int simple_amp_attach ( device_t  dev )

static

Definition at line 85 of file simple_amplifier.c.

References simple_amp_softc::dev, dev, error, simple_amp_softc::gpio_enable, simple_amp_softc::gpio_is_valid, and simple_amp_softc::supply_vcc.

simple_amp_dai_init()

static int simple_amp_dai_init ( device_t  dev, uint32_t  format  )

static

Definition at line 120 of file simple_amplifier.c.

simple_amp_dai_trigger()

static int simple_amp_dai_trigger ( device_t  dev, int  go, int  pcm_dir  )

static

Definition at line 127 of file simple_amplifier.c.

References simple_amp_softc::dev, dev, error, go, simple_amp_softc::gpio_enable, simple_amp_softc::gpio_is_valid, pcm_dir, PCMDIR_PLAY, PCMDIR_REC, PCMTRIG_ABORT, PCMTRIG_START, PCMTRIG_STOP, and simple_amp_softc::supply_vcc.

simple_amp_detach()

static int simple_amp_detach ( device_t  dev )

static

Definition at line 113 of file simple_amplifier.c.

simple_amp_probe()

static int simple_amp_probe ( device_t  dev )

static

Definition at line 72 of file simple_amplifier.c.

References compat_data, and dev.

SIMPLEBUS_PNP_INFO()

SIMPLEBUS_PNP_INFO

(

compat_data

)

Variable Documentation

compat_data

struct ofw_compat_data compat_data[]

static

Initial value:

= {
        { "simple-audio-amplifier",     1},
        { NULL,                         0}
}

Definition at line 55 of file simple_amplifier.c.

Referenced by simple_amp_probe().

simple_amp_devclass

devclass_t simple_amp_devclass

static

Definition at line 203 of file simple_amplifier.c.

simple_amp_driver

driver_t simple_amp_driver

static

Initial value:

= {
        "simpleamp",
        simple_amp_methods,
        sizeof(struct simple_amp_softc),
}

Definition at line 197 of file simple_amplifier.c.

simple_amp_methods

device_method_t simple_amp_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         simple_amp_probe),
        DEVMETHOD(device_attach,        simple_amp_attach),
        DEVMETHOD(device_detach,        simple_amp_detach),
 
        DEVMETHOD(audio_dai_init,       simple_amp_dai_init),
        DEVMETHOD(audio_dai_trigger,    simple_amp_dai_trigger),
 
        DEVMETHOD_END
}

Definition at line 185 of file simple_amplifier.c.