mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-30 12:04:07 +00:00
316 lines
8.0 KiB
C
316 lines
8.0 KiB
C
/*-
|
|
* Copyright 2012 by Andreas Tobler. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* Apple PCM3052 aka Onyx audio codec.
|
|
*
|
|
* Datasheet: http://www.ti.com/product/pcm3052a
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/module.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <machine/dbdma.h>
|
|
#include <machine/intr_machdep.h>
|
|
#include <machine/resource.h>
|
|
#include <machine/bus.h>
|
|
#include <machine/pio.h>
|
|
#include <sys/rman.h>
|
|
|
|
#include <dev/iicbus/iicbus.h>
|
|
#include <dev/iicbus/iiconf.h>
|
|
#include <dev/ofw/ofw_bus.h>
|
|
|
|
#ifdef HAVE_KERNEL_OPTION_HEADERS
|
|
#include "opt_snd.h"
|
|
#endif
|
|
|
|
#include <dev/sound/pcm/sound.h>
|
|
|
|
#include "mixer_if.h"
|
|
|
|
extern kobj_class_t i2s_mixer_class;
|
|
extern device_t i2s_mixer;
|
|
|
|
struct onyx_softc
|
|
{
|
|
device_t sc_dev;
|
|
uint32_t sc_addr;
|
|
};
|
|
|
|
static int onyx_probe(device_t);
|
|
static int onyx_attach(device_t);
|
|
static int onyx_init(struct snd_mixer *m);
|
|
static int onyx_uninit(struct snd_mixer *m);
|
|
static int onyx_reinit(struct snd_mixer *m);
|
|
static int onyx_set(struct snd_mixer *m, unsigned dev, unsigned left,
|
|
unsigned right);
|
|
static u_int32_t onyx_setrecsrc(struct snd_mixer *m, u_int32_t src);
|
|
|
|
static device_method_t onyx_methods[] = {
|
|
/* Device interface. */
|
|
DEVMETHOD(device_probe, onyx_probe),
|
|
DEVMETHOD(device_attach, onyx_attach),
|
|
{ 0, 0 }
|
|
};
|
|
|
|
static driver_t onyx_driver = {
|
|
"onyx",
|
|
onyx_methods,
|
|
sizeof(struct onyx_softc)
|
|
};
|
|
static devclass_t onyx_devclass;
|
|
|
|
DRIVER_MODULE(onyx, iicbus, onyx_driver, onyx_devclass, 0, 0);
|
|
MODULE_VERSION(onyx, 1);
|
|
MODULE_DEPEND(onyx, iicbus, 1, 1, 1);
|
|
|
|
static kobj_method_t onyx_mixer_methods[] = {
|
|
KOBJMETHOD(mixer_init, onyx_init),
|
|
KOBJMETHOD(mixer_uninit, onyx_uninit),
|
|
KOBJMETHOD(mixer_reinit, onyx_reinit),
|
|
KOBJMETHOD(mixer_set, onyx_set),
|
|
KOBJMETHOD(mixer_setrecsrc, onyx_setrecsrc),
|
|
KOBJMETHOD_END
|
|
};
|
|
|
|
MIXER_DECLARE(onyx_mixer);
|
|
|
|
#define PCM3052_IICADDR 0x8C /* Hard-coded I2C slave addr */
|
|
|
|
/*
|
|
* PCM3052 registers.
|
|
* Numbering in decimal as used in the data sheet.
|
|
*/
|
|
#define PCM3052_REG_LEFT_ATTN 65
|
|
#define PCM3052_REG_RIGHT_ATTN 66
|
|
#define PCM3052_REG_CONTROL 67
|
|
#define PCM3052_MRST (1 << 7)
|
|
#define PCM3052_SRST (1 << 6)
|
|
#define PCM3052_REG_DAC_CONTROL 68
|
|
#define PCM3052_OVR1 (1 << 6)
|
|
#define PCM3052_MUTE_L (1 << 1)
|
|
#define PCM3052_MUTE_R (1 << 0)
|
|
#define PCM3052_REG_DAC_DEEMPH 69
|
|
#define PCM3052_REG_DAC_FILTER 70
|
|
#define PCM3052_DAC_FILTER_ALWAYS (1 << 2)
|
|
#define PCM3052_REG_OUT_PHASE 71
|
|
#define PCM3052_REG_ADC_CONTROL 72
|
|
#define PCM3052_REG_ADC_HPF_BP 75
|
|
#define PCM3052_HPF_ALWAYS (1 << 2)
|
|
#define PCM3052_REG_INFO_1 77
|
|
#define PCM3052_REG_INFO_2 78
|
|
#define PCM3052_REG_INFO_3 79
|
|
#define PCM3052_REG_INFO_4 80
|
|
|
|
struct onyx_reg {
|
|
u_char LEFT_ATTN;
|
|
u_char RIGHT_ATTN;
|
|
u_char CONTROL;
|
|
u_char DAC_CONTROL;
|
|
u_char DAC_DEEMPH;
|
|
u_char DAC_FILTER;
|
|
u_char OUT_PHASE;
|
|
u_char ADC_CONTROL;
|
|
u_char ADC_HPF_BP;
|
|
u_char INFO_1;
|
|
u_char INFO_2;
|
|
u_char INFO_3;
|
|
u_char INFO_4;
|
|
};
|
|
|
|
static const struct onyx_reg onyx_initdata = {
|
|
0x80, /* LEFT_ATTN, Mute default */
|
|
0x80, /* RIGHT_ATTN, Mute default */
|
|
PCM3052_MRST | PCM3052_SRST, /* CONTROL */
|
|
0, /* DAC_CONTROL */
|
|
0, /* DAC_DEEMPH */
|
|
PCM3052_DAC_FILTER_ALWAYS, /* DAC_FILTER */
|
|
0, /* OUT_PHASE */
|
|
(-1 /* dB */ + 8) & 0xf, /* ADC_CONTROL */
|
|
PCM3052_HPF_ALWAYS, /* ADC_HPF_BP */
|
|
(1 << 2), /* INFO_1 */
|
|
2, /* INFO_2, */
|
|
0, /* INFO_3, CLK 0 (level II),
|
|
SF 0 (44.1 kHz) */
|
|
1 /* INFO_4, VALIDL/R 0,
|
|
WL 24-bit depth */
|
|
};
|
|
|
|
static int
|
|
onyx_write(struct onyx_softc *sc, uint8_t reg, const uint8_t value)
|
|
{
|
|
u_int size;
|
|
uint8_t buf[16];
|
|
|
|
struct iic_msg msg[] = {
|
|
{ sc->sc_addr, IIC_M_WR, 0, buf }
|
|
};
|
|
|
|
size = 1;
|
|
msg[0].len = size + 1;
|
|
buf[0] = reg;
|
|
buf[1] = value;
|
|
|
|
iicbus_transfer(sc->sc_dev, msg, 1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_probe(device_t dev)
|
|
{
|
|
const char *name, *compat;
|
|
|
|
name = ofw_bus_get_name(dev);
|
|
if (name == NULL)
|
|
return (ENXIO);
|
|
|
|
if (strcmp(name, "codec") == 0) {
|
|
if (iicbus_get_addr(dev) != PCM3052_IICADDR)
|
|
return (ENXIO);
|
|
} else if (strcmp(name, "codec") == 0) {
|
|
compat = ofw_bus_get_compat(dev);
|
|
if (compat == NULL || strcmp(compat, "pcm3052") != 0)
|
|
return (ENXIO);
|
|
} else
|
|
return (ENXIO);
|
|
|
|
device_set_desc(dev, "Texas Instruments PCM3052 Audio Codec");
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_attach(device_t dev)
|
|
{
|
|
struct onyx_softc *sc;
|
|
|
|
sc = device_get_softc(dev);
|
|
sc->sc_dev = dev;
|
|
sc->sc_addr = iicbus_get_addr(dev);
|
|
|
|
i2s_mixer_class = &onyx_mixer_class;
|
|
i2s_mixer = dev;
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_init(struct snd_mixer *m)
|
|
{
|
|
struct onyx_softc *sc;
|
|
u_int x = 0;
|
|
|
|
sc = device_get_softc(mix_getdevinfo(m));
|
|
|
|
onyx_write(sc, PCM3052_REG_LEFT_ATTN, onyx_initdata.LEFT_ATTN);
|
|
onyx_write(sc, PCM3052_REG_RIGHT_ATTN, onyx_initdata.RIGHT_ATTN);
|
|
onyx_write(sc, PCM3052_REG_CONTROL, onyx_initdata.CONTROL);
|
|
onyx_write(sc, PCM3052_REG_DAC_CONTROL,
|
|
onyx_initdata.DAC_CONTROL);
|
|
onyx_write(sc, PCM3052_REG_DAC_DEEMPH, onyx_initdata.DAC_DEEMPH);
|
|
onyx_write(sc, PCM3052_REG_DAC_FILTER, onyx_initdata.DAC_FILTER);
|
|
onyx_write(sc, PCM3052_REG_OUT_PHASE, onyx_initdata.OUT_PHASE);
|
|
onyx_write(sc, PCM3052_REG_ADC_CONTROL,
|
|
onyx_initdata.ADC_CONTROL);
|
|
onyx_write(sc, PCM3052_REG_ADC_HPF_BP, onyx_initdata.ADC_HPF_BP);
|
|
onyx_write(sc, PCM3052_REG_INFO_1, onyx_initdata.INFO_1);
|
|
onyx_write(sc, PCM3052_REG_INFO_2, onyx_initdata.INFO_2);
|
|
onyx_write(sc, PCM3052_REG_INFO_3, onyx_initdata.INFO_3);
|
|
onyx_write(sc, PCM3052_REG_INFO_4, onyx_initdata.INFO_4);
|
|
|
|
x |= SOUND_MASK_VOLUME;
|
|
mix_setdevs(m, x);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_uninit(struct snd_mixer *m)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_reinit(struct snd_mixer *m)
|
|
{
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
onyx_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
|
|
{
|
|
struct onyx_softc *sc;
|
|
struct mtx *mixer_lock;
|
|
int locked;
|
|
uint8_t l, r;
|
|
|
|
sc = device_get_softc(mix_getdevinfo(m));
|
|
mixer_lock = mixer_get_lock(m);
|
|
locked = mtx_owned(mixer_lock);
|
|
|
|
switch (dev) {
|
|
case SOUND_MIXER_VOLUME:
|
|
|
|
/*
|
|
* We need to unlock the mixer lock because iicbus_transfer()
|
|
* may sleep. The mixer lock itself is unnecessary here
|
|
* because it is meant to serialize hardware access, which
|
|
* is taken care of by the I2C layer, so this is safe.
|
|
*/
|
|
if (left > 100 || right > 100)
|
|
return (0);
|
|
|
|
l = left + 128;
|
|
r = right + 128;
|
|
|
|
if (locked)
|
|
mtx_unlock(mixer_lock);
|
|
|
|
onyx_write(sc, PCM3052_REG_LEFT_ATTN, l);
|
|
onyx_write(sc, PCM3052_REG_RIGHT_ATTN, r);
|
|
|
|
if (locked)
|
|
mtx_lock(mixer_lock);
|
|
|
|
return (left | (right << 8));
|
|
}
|
|
|
|
return (0);
|
|
}
|
|
|
|
static u_int32_t
|
|
onyx_setrecsrc(struct snd_mixer *m, u_int32_t src)
|
|
{
|
|
return (0);
|
|
}
|