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/* $NetBSD: sun6i_a31_codec.c,v 1.2 2019/05/08 13:40:14 isaki Exp $ */
/*-
* Copyright (c) 2014-2017 Jared McNeill <jmcneill@invisible.ca>
* 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.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sun6i_a31_codec.c,v 1.2 2019/05/08 13:40:14 isaki Exp $");
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/cpu.h>
#include <sys/device.h>
#include <sys/kmem.h>
#include <sys/bitops.h>
#include <sys/audioio.h>
#include <dev/audio/audio_if.h>
#include <arm/sunxi/sunxi_codec.h>
#define A31_DEFAULT_HPVOL 0x20
#define OMIXER_DACA_CTRL 0x20
#define DACAREN __BIT(31)
#define DACALEN __BIT(30)
#define RMIXEN __BIT(29)
#define LMIXEN __BIT(28)
#define RMIXMUTE __BITS(23,17)
#define RMIXMUTE_MIC1 __BIT(23)
#define RMIXMUTE_MIC2 __BIT(22)
#define RMIXMUTE_PHONEP_PHONEN __BIT(21)
#define RMIXMUTE_PHONEP __BIT(20)
#define RMIXMUTE_LINEINR __BIT(19)
#define RMIXMUTE_DACR __BIT(18)
#define RMIXMUTE_DACL __BIT(17)
#define LMIXMUTE __BITS(16,10)
#define LMIXMUTE_MIC1 __BIT(16)
#define LMIXMUTE_MIC2 __BIT(15)
#define LMIXMUTE_PHONEP_PHONEN __BIT(14)
#define LMIXMUTE_PHONEN __BIT(13)
#define LMIXMUTE_LINEINL __BIT(12)
#define LMIXMUTE_DACL __BIT(11)
#define LMIXMUTE_DACR __BIT(10)
#define RHPIS __BIT(9)
#define LHPIS __BIT(8)
#define RHPPAMUTE __BIT(7)
#define LHPPAMUTE __BIT(6)
#define HPVOL __BITS(5,0)
#define OMIXER_PA_CTRL 0x24
#define HPPAEN __BIT(31)
#define HPCOM_CTL __BITS(30,29)
#define COMPTEN __BIT(28)
#define PA_ANTI_POP_CTRL __BITS(27,26)
#define MIC1G __BITS(17,15)
#define MIC2G __BITS(14,12)
#define LINEING __BITS(11,9)
#define PHONEG __BITS(8,6)
#define PHONEPG __BITS(5,3)
#define PHONENG __BITS(2,0)
#define AC_MIC_CTRL 0x28
#define HBIASEN __BIT(31)
#define MBIASEN __BIT(30)
#define HBIASADCEN __BIT(29)
#define MIC1AMPEN __BIT(28)
#define MIC1BOOST __BITS(27,25)
#define MIC2AMPEN __BIT(24)
#define MIC2BOOST __BITS(23,21)
#define MIC2SLT __BIT(20)
#define LINEOUTLEN __BIT(19)
#define LINEOUTREN __BIT(18)
#define LINEOUTLSRC __BIT(17)
#define LINEOUTRSRC __BIT(16)
#define LINEOUTVC __BITS(15,11)
#define PHONEPREG __BITS(10,8)
#define PHONEOUTG __BITS(7,5)
#define PHONEOUTEN __BIT(4)
#define PHONEOUTS0 __BIT(3)
#define PHONEOUTS1 __BIT(2)
#define PHONEOUTS2 __BIT(1)
#define PHONEOUTS3 __BIT(0)
#define AC_ADCA_CTRL 0x2c
#define ADCREN __BIT(31)
#define ADCLEN __BIT(30)
#define ADCRG __BITS(29,27)
#define ADCLG __BITS(26,24)
#define RADCMIXMUTE __BITS(13,7)
#define RADCMIXMUTE_MIC1 __BIT(13)
#define RADCMIXMUTE_MIC2 __BIT(12)
#define RADCMIXMUTE_PHONEP_PHONEN __BIT(11)
#define RADCMIXMUTE_PHONEP __BIT(10)
#define RADCMIXMUTE_LINEINR __BIT(9)
#define RADCMIXMUTE_ROM __BIT(8)
#define RADCMIXMUTE_LOM __BIT(7)
#define LADCMIXMUTE __BITS(6,0)
#define LADCMIXMUTE_MIC1 __BIT(6)
#define LADCMIXMUTE_MIC2 __BIT(5)
#define LADCMIXMUTE_PHONEP_PHONEN __BIT(4)
#define LADCMIXMUTE_PHONEN __BIT(3)
#define LADCMIXMUTE_LINEINL __BIT(2)
#define LADCMIXMUTE_LOM __BIT(1)
#define LADCMIXMUTE_ROM __BIT(0)
enum a31_codec_mixer_ctrl {
A31_CODEC_OUTPUT_CLASS,
A31_CODEC_INPUT_CLASS,
A31_CODEC_OUTPUT_MASTER_VOLUME,
A31_CODEC_INPUT_DAC_VOLUME,
A31_CODEC_MIXER_CTRL_LAST
};
static const struct a31_codec_mixer {
const char * name;
enum a31_codec_mixer_ctrl mixer_class;
u_int reg;
u_int mask;
} a31_codec_mixers[A31_CODEC_MIXER_CTRL_LAST] = {
[A31_CODEC_OUTPUT_MASTER_VOLUME] = { AudioNmaster,
A31_CODEC_OUTPUT_CLASS, OMIXER_DACA_CTRL, HPVOL },
[A31_CODEC_INPUT_DAC_VOLUME] = { AudioNdac,
A31_CODEC_INPUT_CLASS, OMIXER_DACA_CTRL, HPVOL },
};
#define RD4(sc, reg) \
bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
#define WR4(sc, reg, val) \
bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
#define SET4(sc, reg, mask) \
WR4((sc), (reg), RD4((sc), (reg)) | (mask))
#define CLR4(sc, reg, mask) \
WR4((sc), (reg), RD4((sc), (reg)) & ~(mask))
static int
a31_codec_init(struct sunxi_codec_softc *sc)
{
/* Disable HPCOM and HPCOM output protection */
CLR4(sc, OMIXER_PA_CTRL, HPCOM_CTL | COMPTEN);
/* Enable headphone power amp */
SET4(sc, OMIXER_PA_CTRL, HPPAEN);
/* Set headphone PA input to DAC */
CLR4(sc, OMIXER_DACA_CTRL, RHPIS | LHPIS);
/* Mute inputs to headphone PA */
CLR4(sc, OMIXER_DACA_CTRL, RHPPAMUTE | LHPPAMUTE);
/* Set initial volume */
CLR4(sc, OMIXER_DACA_CTRL, HPVOL);
SET4(sc, OMIXER_DACA_CTRL, __SHIFTIN(A31_DEFAULT_HPVOL, HPVOL));
/* Disable lineout */
CLR4(sc, AC_MIC_CTRL, LINEOUTLEN | LINEOUTREN | LINEOUTVC);
/* Enable headset microphone bias, current sensor, and ADC */
SET4(sc, AC_MIC_CTRL, HBIASEN | HBIASADCEN);
return 0;
}
static void
a31_codec_mute(struct sunxi_codec_softc *sc, int mute, u_int mode)
{
if (mode == AUMODE_PLAY) {
if (sc->sc_pin_pa != NULL)
fdtbus_gpio_write(sc->sc_pin_pa, !mute);
if (mute) {
CLR4(sc, OMIXER_DACA_CTRL, DACAREN | DACALEN);
} else {
CLR4(sc, OMIXER_DACA_CTRL, RMIXMUTE | LMIXMUTE);
SET4(sc, OMIXER_DACA_CTRL,
LHPIS | RHPIS | LHPPAMUTE | RHPPAMUTE |
DACAREN | DACALEN | RMIXEN | LMIXEN |
RMIXMUTE_DACR | LMIXMUTE_DACL);
}
} else {
if (mute) {
CLR4(sc, AC_ADCA_CTRL, ADCREN | ADCLEN);
} else {
SET4(sc, AC_ADCA_CTRL, ADCREN | ADCLEN);
}
}
}
static int
a31_codec_set_port(struct sunxi_codec_softc *sc, mixer_ctrl_t *mc)
{
const struct a31_codec_mixer *mix;
u_int val, shift;
int nvol;
switch (mc->dev) {
case A31_CODEC_OUTPUT_MASTER_VOLUME:
case A31_CODEC_INPUT_DAC_VOLUME:
mix = &a31_codec_mixers[mc->dev];
val = RD4(sc, mix->reg);
shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask));
nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] >> shift;
val &= ~mix->mask;
val |= __SHIFTIN(nvol, mix->mask);
WR4(sc, mix->reg, val);
return 0;
}
return ENXIO;
}
static int
a31_codec_get_port(struct sunxi_codec_softc *sc, mixer_ctrl_t *mc)
{
const struct a31_codec_mixer *mix;
u_int val, shift;
int nvol;
switch (mc->dev) {
case A31_CODEC_OUTPUT_MASTER_VOLUME:
case A31_CODEC_INPUT_DAC_VOLUME:
mix = &a31_codec_mixers[mc->dev];
val = RD4(sc, mix->reg);
shift = 8 - fls32(__SHIFTOUT_MASK(mix->mask));
nvol = __SHIFTOUT(val, mix->mask) << shift;
mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = nvol;
mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = nvol;
return 0;
}
return ENXIO;
}
static int
a31_codec_query_devinfo(struct sunxi_codec_softc *sc, mixer_devinfo_t *di)
{
const struct a31_codec_mixer *mix;
switch (di->index) {
case A31_CODEC_OUTPUT_CLASS:
di->mixer_class = di->index;
strcpy(di->label.name, AudioCoutputs);
di->type = AUDIO_MIXER_CLASS;
di->next = di->prev = AUDIO_MIXER_LAST;
return 0;
case A31_CODEC_INPUT_CLASS:
di->mixer_class = di->index;
strcpy(di->label.name, AudioCinputs);
di->type = AUDIO_MIXER_CLASS;
di->next = di->prev = AUDIO_MIXER_LAST;
return 0;
case A31_CODEC_OUTPUT_MASTER_VOLUME:
case A31_CODEC_INPUT_DAC_VOLUME:
mix = &a31_codec_mixers[di->index];
di->mixer_class = mix->mixer_class;
strcpy(di->label.name, mix->name);
di->un.v.delta =
256 / (__SHIFTOUT_MASK(mix->mask) + 1);
di->type = AUDIO_MIXER_VALUE;
di->next = di->prev = AUDIO_MIXER_LAST;
di->un.v.num_channels = 2;
strcpy(di->un.v.units.name, AudioNvolume);
return 0;
}
return ENXIO;
}
const struct sunxi_codec_conf sun6i_a31_codecconf = {
.name = "A31 Audio Codec",
.init = a31_codec_init,
.mute = a31_codec_mute,
.set_port = a31_codec_set_port,
.get_port = a31_codec_get_port,
.query_devinfo = a31_codec_query_devinfo,
.DPC = 0x00,
.DAC_FIFOC = 0x04,
.DAC_FIFOS = 0x08,
.DAC_TXDATA = 0x0c,
.ADC_FIFOC = 0x10,
.ADC_FIFOS = 0x14,
.ADC_RXDATA = 0x18,
.DAC_CNT = 0x40,
.ADC_CNT = 0x44,
};
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