audio_soc.c File Reference

#include <sys/cdefs.h>
#include "opt_platform.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/clock.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/module.h>
#include <sys/endian.h>
#include <dev/ofw/ofw_bus.h>
#include <dev/ofw/ofw_bus_subr.h>
#include <dev/sound/fdt/audio_dai.h>
#include <dev/sound/pcm/sound.h>
#include "audio_dai_if.h"

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Data Structures
struct	audio_soc_aux_node
struct	audio_soc_channel
struct	audio_soc_softc

Macros
#define	AUDIO_BUFFER_SIZE   48000 * 4

Functions
	__FBSDID ("$FreeBSD$")
static int	audio_soc_probe (device_t dev)
static int	audio_soc_attach (device_t dev)
static int	audio_soc_detach (device_t dev)
static uint32_t	audio_soc_reverse_clocks (uint32_t format)
static uint32_t	audio_soc_chan_setblocksize (kobj_t obj, void *data, uint32_t blocksz)
static int	audio_soc_chan_setformat (kobj_t obj, void *data, uint32_t format)
static uint32_t	audio_soc_chan_setspeed (kobj_t obj, void *data, uint32_t speed)
static uint32_t	audio_soc_chan_getptr (kobj_t obj, void *data)
static void *	audio_soc_chan_init (kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
static int	audio_soc_chan_trigger (kobj_t obj, void *data, int go)
static int	audio_soc_chan_free (kobj_t obj, void *data)
static struct pcmchan_caps *	audio_soc_chan_getcaps (kobj_t obj, void *data)
	CHANNEL_DECLARE (audio_soc_chan)
static void	audio_soc_intr (void *arg)
static void	audio_soc_init (void *arg)
	DRIVER_MODULE (audio_soc, simplebus, audio_soc_driver, pcm_devclass, NULL, NULL)
	MODULE_VERSION (audio_soc, 1)

Variables
static struct ofw_compat_data	compat_data []
struct {
const char *   name
unsigned int   fmt
}	ausoc_dai_formats []
static kobj_method_t	audio_soc_chan_methods []
static device_method_t	audio_soc_methods []
static driver_t	audio_soc_driver

Macro Definition Documentation

AUDIO_BUFFER_SIZE

#define AUDIO_BUFFER_SIZE   48000 * 4

Definition at line 47 of file audio_soc.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

audio_soc_attach()

static int audio_soc_attach ( device_t  dev )

static

Definition at line 423 of file audio_soc.c.

References AUDIO_DAI_CLOCK_CBM_CFM, AUDIO_DAI_CLOCK_CBM_CFS, AUDIO_DAI_CLOCK_CBS_CFM, AUDIO_DAI_CLOCK_CBS_CFS, AUDIO_DAI_FORMAT, AUDIO_DAI_FORMAT_I2S, AUDIO_DAI_POLARITY_IB_IF, AUDIO_DAI_POLARITY_IB_NF, AUDIO_DAI_POLARITY_NB_IF, AUDIO_DAI_POLARITY_NB_NF, audio_soc_init(), ausoc_dai_formats, audio_soc_softc::dev, dev, fmt, audio_soc_softc::init_hook, audio_soc_softc::name, and name.

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audio_soc_chan_free()

static int audio_soc_chan_free ( kobj_t  obj, void *  data  )

static

Definition at line 246 of file audio_soc.c.

References audio_soc_channel::buf, buffer, data, free, and sndbuf_getbuf().

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audio_soc_chan_getcaps()

static struct pcmchan_caps * audio_soc_chan_getcaps ( kobj_t  obj, void *  data  )

static

Definition at line 262 of file audio_soc.c.

References audio_soc_softc::cpu_dev, data, and audio_soc_channel::sc.

audio_soc_chan_getptr()

static uint32_t audio_soc_chan_getptr ( kobj_t  obj, void *  data  )

static

Definition at line 195 of file audio_soc.c.

References audio_soc_softc::cpu_dev, data, audio_soc_channel::dir, and audio_soc_channel::sc.

audio_soc_chan_init()

static void * audio_soc_chan_init ( kobj_t  obj, void *  devinfo, struct snd_dbuf *  b, struct pcm_channel *  c, int  dir  )

static

Definition at line 207 of file audio_soc.c.

References AUDIO_BUFFER_SIZE, b, audio_soc_channel::buf, buffer, c, devinfo, audio_soc_channel::dir, dir, free, audio_soc_channel::pcm, and sndbuf_setup().

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audio_soc_chan_setblocksize()

static uint32_t audio_soc_chan_setblocksize ( kobj_t  obj, void *  data, uint32_t  blocksz  )

static

Definition at line 137 of file audio_soc.c.

audio_soc_chan_setformat()

static int audio_soc_chan_setformat ( kobj_t  obj, void *  data, uint32_t  format  )

static

Definition at line 144 of file audio_soc.c.

References audio_soc_softc::cpu_dev, data, format, and audio_soc_channel::sc.

audio_soc_chan_setspeed()

static uint32_t audio_soc_chan_setspeed ( kobj_t  obj, void *  data, uint32_t  speed  )

static

Definition at line 157 of file audio_soc.c.

References AUDIO_DAI_CLOCK_IN, AUDIO_DAI_CLOCK_OUT, audio_soc_softc::codec_dev, audio_soc_softc::cpu_dev, data, audio_soc_softc::dev, rate, audio_soc_channel::sc, and speed.

audio_soc_chan_trigger()

static int audio_soc_chan_trigger ( kobj_t  obj, void *  data, int  go  )

static

Definition at line 229 of file audio_soc.c.

References audio_soc_softc::codec_dev, audio_soc_softc::cpu_dev, data, audio_soc_channel::dir, go, and audio_soc_channel::sc.

audio_soc_detach()

static int audio_soc_detach ( device_t  dev )

static

Definition at line 507 of file audio_soc.c.

References dev, free, and audio_soc_softc::name.

audio_soc_init()

static void audio_soc_init ( void *  arg )

static

Definition at line 316 of file audio_soc.c.

References audio_soc_intr(), audio_soc_reverse_clocks(), child, audio_soc_softc::codec_dev, audio_soc_softc::cpu_dev, audio_soc_softc::dev, audio_soc_softc::init_hook, pcm_addchan(), pcm_register(), pcm_setstatus(), PCMDIR_PLAY, and PCMDIR_REC.

Referenced by audio_soc_attach().

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audio_soc_intr()

static void audio_soc_intr ( void *  arg )

static

Definition at line 287 of file audio_soc.c.

References AUDIO_DAI_PLAY_INTR, AUDIO_DAI_REC_INTR, chn_intr(), and audio_soc_softc::cpu_dev.

Referenced by audio_soc_init().

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audio_soc_probe()

static int audio_soc_probe ( device_t  dev )

static

Definition at line 301 of file audio_soc.c.

References compat_data, and dev.

audio_soc_reverse_clocks()

static uint32_t audio_soc_reverse_clocks ( uint32_t  format )

static

Definition at line 110 of file audio_soc.c.

References AUDIO_DAI_CLOCK_CBM_CFM, AUDIO_DAI_CLOCK_CBM_CFS, AUDIO_DAI_CLOCK_CBS_CFM, AUDIO_DAI_CLOCK_CBS_CFS, AUDIO_DAI_FORMAT, AUDIO_DAI_FORMAT_CLOCK, AUDIO_DAI_FORMAT_FORMAT, AUDIO_DAI_FORMAT_POLARITY, fmt, and format.

Referenced by audio_soc_init().

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CHANNEL_DECLARE()

CHANNEL_DECLARE

(

audio_soc_chan

)

DRIVER_MODULE()

DRIVER_MODULE	(	audio_soc	,
		simplebus	,
		audio_soc_driver	,
		pcm_devclass	,
		NULL	,
		NULL
	)

MODULE_VERSION()

MODULE_VERSION	(	audio_soc	,
		1
	)

Variable Documentation

audio_soc_chan_methods

kobj_method_t audio_soc_chan_methods[]

static

Initial value:

= {
        KOBJMETHOD(channel_init,        audio_soc_chan_init),
        KOBJMETHOD(channel_free,        audio_soc_chan_free),
        KOBJMETHOD(channel_setformat,   audio_soc_chan_setformat),
        KOBJMETHOD(channel_setspeed,    audio_soc_chan_setspeed),
        KOBJMETHOD(channel_setblocksize,audio_soc_chan_setblocksize),
        KOBJMETHOD(channel_trigger,     audio_soc_chan_trigger),
        KOBJMETHOD(channel_getptr,      audio_soc_chan_getptr),
        KOBJMETHOD(channel_getcaps,     audio_soc_chan_getcaps),
        KOBJMETHOD_END
}

Definition at line 273 of file audio_soc.c.

audio_soc_driver

driver_t audio_soc_driver

static

Initial value:

= {
        "pcm",
        audio_soc_methods,
        sizeof(struct audio_soc_softc),
}

Definition at line 533 of file audio_soc.c.

audio_soc_methods

device_method_t audio_soc_methods[]

static

Initial value:

= {
        
        DEVMETHOD(device_probe,         audio_soc_probe),
        DEVMETHOD(device_attach,        audio_soc_attach),
        DEVMETHOD(device_detach,        audio_soc_detach),
 
        DEVMETHOD_END,
}

Definition at line 524 of file audio_soc.c.

struct { ... } ausoc_dai_formats[]

Initial value:

= {
        { "i2s",        AUDIO_DAI_FORMAT_I2S },
        { "right_j",    AUDIO_DAI_FORMAT_RJ },
        { "left_j",     AUDIO_DAI_FORMAT_LJ },
        { "dsp_a",      AUDIO_DAI_FORMAT_DSPA },
        { "dsp_b",      AUDIO_DAI_FORMAT_DSPB },
        { "ac97",       AUDIO_DAI_FORMAT_AC97 },
        { "pdm",        AUDIO_DAI_FORMAT_PDM },
}

Referenced by audio_soc_attach().

compat_data

struct ofw_compat_data compat_data[]

static

Initial value:

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

Definition at line 84 of file audio_soc.c.

Referenced by audio_soc_probe().

fmt

unsigned int fmt

Definition at line 91 of file audio_soc.c.

Referenced by ad1816chan_setformat(), audio_soc_attach(), audio_soc_reverse_clocks(), chn_reset(), emu_vsetup(), ess_setupch(), feeder_default_matrix(), hdaa_allowed_stripes(), hdaa_audio_setup(), hdaa_channel_start(), hdaa_eld_dump(), hdaa_stream_format(), hdac_bdata_rate(), hdac_mdata_rate(), snd_fmtbest(), snd_fmtbestbit(), snd_fmtbestchannel(), snd_fmtbestfunc(), snd_fmtscore(), snd_fmtvalid(), sndbuf_setfmt(), sndbuf_zerodata(), and tr_fmttobits().

name

const char* name

Definition at line 90 of file audio_soc.c.

Referenced by aoagpio_probe(), audio_soc_attach(), davbus_probe(), envy24_pci_probe(), envy24ht_pci_probe(), i2s_probe(), ich_pci_probe(), mixer_clone(), mss_detect(), of_find_firstchild_byname(), onyx_probe(), snapper_probe(), and tumbler_probe().