The branch main has been updated by manu:
URL:
https://cgit.FreeBSD.org/src/commit/?id=cb25a9455802de29a3609f34bef9e94af842b890
commit cb25a9455802de29a3609f34bef9e94af842b890
Author: Oleksandr Tymoshenko <go...@freebsd.org>
AuthorDate: 2021-05-13 19:10:38 +0000
Commit: Emmanuel Vadot <m...@freebsd.org>
CommitDate: 2021-06-11 19:06:08 +0000
arm64: allwinner: Add i2s and codec support
Differential Revision: https://reviews.freebsd.org/D27830
---
sys/arm/allwinner/a33_codec.c | 417 +++++++++++++++
sys/arm/allwinner/a64/sun50i_a64_acodec.c | 488 ++++++++++++++++++
sys/arm/allwinner/aw_i2s.c | 813 ++++++++++++++++++++++++++++++
sys/arm64/conf/GENERIC | 7 +-
sys/conf/files.arm64 | 3 +
5 files changed, 1726 insertions(+), 2 deletions(-)
diff --git a/sys/arm/allwinner/a33_codec.c b/sys/arm/allwinner/a33_codec.c
new file mode 100644
index 000000000000..2b3d5f6ef01c
--- /dev/null
+++ b/sys/arm/allwinner/a33_codec.c
@@ -0,0 +1,417 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2020 Oleksandr Tymoshenko <go...@freebsd.org>
+ * Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#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 <sys/gpio.h>
+
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/extres/clk/clk.h>
+#include <dev/extres/hwreset/hwreset.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"
+
+#define SYSCLK_CTL 0x00c
+#define AIF1CLK_ENA (1 << 11)
+#define AIF1CLK_SRC_MASK (3 << 8)
+#define AIF1CLK_SRC_PLL (2 << 8)
+#define SYSCLK_ENA (1 << 3)
+#define SYSCLK_SRC (1 << 0)
+
+#define MOD_CLK_ENA 0x010
+#define MOD_RST_CTL 0x014
+#define MOD_AIF1 (1 << 15)
+#define MOD_ADC (1 << 3)
+#define MOD_DAC (1 << 2)
+
+#define SYS_SR_CTRL 0x018
+#define AIF1_FS_MASK (0xf << 12)
+#define AIF_FS_48KHZ (8 << 12)
+
+#define AIF1CLK_CTRL 0x040
+#define AIF1_MSTR_MOD (1 << 15)
+#define AIF1_BCLK_INV (1 << 14)
+#define AIF1_LRCK_INV (1 << 13)
+#define AIF1_BCLK_DIV_MASK (0xf << 9)
+#define AIF1_BCLK_DIV_16 (6 << 9)
+#define AIF1_LRCK_DIV_MASK (7 << 6)
+#define AIF1_LRCK_DIV_16 (0 << 6)
+#define AIF1_LRCK_DIV_64 (2 << 6)
+#define AIF1_WORD_SIZ_MASK (3 << 4)
+#define AIF1_WORD_SIZ_16 (1 << 4)
+#define AIF1_DATA_FMT_MASK (3 << 2)
+#define AIF1_DATA_FMT_I2S (0 << 2)
+#define AIF1_DATA_FMT_LJ (1 << 2)
+#define AIF1_DATA_FMT_RJ (2 << 2)
+#define AIF1_DATA_FMT_DSP (3 << 2)
+
+#define AIF1_ADCDAT_CTRL 0x044
+#define AIF1_ADC0L_ENA (1 << 15)
+#define AIF1_ADC0R_ENA (1 << 14)
+
+#define AIF1_DACDAT_CTRL 0x048
+#define AIF1_DAC0L_ENA (1 << 15)
+#define AIF1_DAC0R_ENA (1 << 14)
+
+#define AIF1_MXR_SRC 0x04c
+#define AIF1L_MXR_SRC_MASK (0xf << 12)
+#define AIF1L_MXR_SRC_AIF1 (0x8 << 12)
+#define AIF1L_MXR_SRC_ADC (0x2 << 12)
+#define AIF1R_MXR_SRC_MASK (0xf << 8)
+#define AIF1R_MXR_SRC_AIF1 (0x8 << 8)
+#define AIF1R_MXR_SRC_ADC (0x2 << 8)
+
+#define ADC_DIG_CTRL 0x100
+#define ADC_DIG_CTRL_ENAD (1 << 15)
+
+#define HMIC_CTRL1 0x110
+#define HMIC_CTRL1_N_MASK (0xf << 8)
+#define HMIC_CTRL1_N(n) (((n) & 0xf) << 8)
+#define HMIC_CTRL1_JACK_IN_IRQ_EN (1 << 4)
+#define HMIC_CTRL1_JACK_OUT_IRQ_EN (1 << 3)
+#define HMIC_CTRL1_MIC_DET_IRQ_EN (1 << 0)
+
+#define HMIC_CTRL2 0x114
+#define HMIC_CTRL2_MDATA_THRES __BITS(12,8)
+
+#define HMIC_STS 0x118
+#define HMIC_STS_MIC_PRESENT (1 << 6)
+#define HMIC_STS_JACK_DET_OIRQ (1 << 4)
+#define HMIC_STS_JACK_DET_IIRQ (1 << 3)
+#define HMIC_STS_MIC_DET_ST (1 << 0)
+
+#define DAC_DIG_CTRL 0x120
+#define DAC_DIG_CTRL_ENDA (1 << 15)
+
+#define DAC_MXR_SRC 0x130
+#define DACL_MXR_SRC_MASK (0xf << 12)
+#define DACL_MXR_SRC_AIF1_DAC0L (0x8 << 12)
+#define DACR_MXR_SRC_MASK (0xf << 8)
+#define DACR_MXR_SRC_AIF1_DAC0R (0x8 << 8)
+
+static struct ofw_compat_data compat_data[] = {
+ { "allwinner,sun8i-a33-codec", 1},
+ { NULL, 0 }
+};
+
+static struct resource_spec sun8i_codec_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE },
+ { -1, 0 }
+};
+
+struct sun8i_codec_softc {
+ device_t dev;
+ struct resource *res[2];
+ struct mtx mtx;
+ clk_t clk_gate;
+ clk_t clk_mod;
+ void * intrhand;
+};
+
+#define CODEC_LOCK(sc) mtx_lock(&(sc)->mtx)
+#define CODEC_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
+#define CODEC_READ(sc, reg) bus_read_4((sc)->res[0], (reg))
+#define CODEC_WRITE(sc, reg, val) bus_write_4((sc)->res[0],
(reg), (val))
+
+static int sun8i_codec_probe(device_t dev);
+static int sun8i_codec_attach(device_t dev);
+static int sun8i_codec_detach(device_t dev);
+
+static int
+sun8i_codec_probe(device_t dev)
+{
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
+ return (ENXIO);
+
+ device_set_desc(dev, "Allwinner Codec");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+sun8i_codec_attach(device_t dev)
+{
+ struct sun8i_codec_softc *sc;
+ int error;
+ uint32_t val;
+ struct gpiobus_pin *pa_pin;
+ phandle_t node;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+ node = ofw_bus_get_node(dev);
+
+ mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
+
+ if (bus_alloc_resources(dev, sun8i_codec_spec, sc->res) != 0) {
+ device_printf(dev, "cannot allocate resources for device\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ error = clk_get_by_ofw_name(dev, 0, "mod", &sc->clk_mod);
+ if (error != 0) {
+ device_printf(dev, "cannot get \"mod\" clock\n");
+ goto fail;
+ }
+
+ error = clk_get_by_ofw_name(dev, 0, "bus", &sc->clk_gate);
+ if (error != 0) {
+ device_printf(dev, "cannot get \"bus\" clock\n");
+ goto fail;
+ }
+
+ error = clk_enable(sc->clk_gate);
+ if (error != 0) {
+ device_printf(dev, "cannot enable \"bus\" clock\n");
+ goto fail;
+ }
+
+ /* Enable clocks */
+ val = CODEC_READ(sc, SYSCLK_CTL);
+ val |= AIF1CLK_ENA;
+ val &= ~AIF1CLK_SRC_MASK;
+ val |= AIF1CLK_SRC_PLL;
+ val |= SYSCLK_ENA;
+ val &= ~SYSCLK_SRC;
+ CODEC_WRITE(sc, SYSCLK_CTL, val);
+ CODEC_WRITE(sc, MOD_CLK_ENA, MOD_AIF1 | MOD_ADC | MOD_DAC);
+ CODEC_WRITE(sc, MOD_RST_CTL, MOD_AIF1 | MOD_ADC | MOD_DAC);
+
+ /* Enable digital parts */
+ CODEC_WRITE(sc, DAC_DIG_CTRL, DAC_DIG_CTRL_ENDA);
+ CODEC_WRITE(sc, ADC_DIG_CTRL, ADC_DIG_CTRL_ENAD);
+
+ /* Set AIF1 to 48 kHz */
+ val = CODEC_READ(sc, SYS_SR_CTRL);
+ val &= ~AIF1_FS_MASK;
+ val |= AIF_FS_48KHZ;
+ CODEC_WRITE(sc, SYS_SR_CTRL, val);
+
+ /* Set AIF1 to 16-bit */
+ val = CODEC_READ(sc, AIF1CLK_CTRL);
+ val &= ~AIF1_WORD_SIZ_MASK;
+ val |= AIF1_WORD_SIZ_16;
+ CODEC_WRITE(sc, AIF1CLK_CTRL, val);
+
+ /* Enable AIF1 DAC timelot 0 */
+ val = CODEC_READ(sc, AIF1_DACDAT_CTRL);
+ val |= AIF1_DAC0L_ENA;
+ val |= AIF1_DAC0R_ENA;
+ CODEC_WRITE(sc, AIF1_DACDAT_CTRL, val);
+
+ /* Enable AIF1 ADC timelot 0 */
+ val = CODEC_READ(sc, AIF1_ADCDAT_CTRL);
+ val |= AIF1_ADC0L_ENA;
+ val |= AIF1_ADC0R_ENA;
+ CODEC_WRITE(sc, AIF1_ADCDAT_CTRL, val);
+
+ /* DAC mixer source select */
+ val = CODEC_READ(sc, DAC_MXR_SRC);
+ val &= ~DACL_MXR_SRC_MASK;
+ val |= DACL_MXR_SRC_AIF1_DAC0L;
+ val &= ~DACR_MXR_SRC_MASK;
+ val |= DACR_MXR_SRC_AIF1_DAC0R;
+ CODEC_WRITE(sc, DAC_MXR_SRC, val);
+
+ /* ADC mixer source select */
+ val = CODEC_READ(sc, AIF1_MXR_SRC);
+ val &= ~AIF1L_MXR_SRC_MASK;
+ val |= AIF1L_MXR_SRC_ADC;
+ val &= ~AIF1R_MXR_SRC_MASK;
+ val |= AIF1R_MXR_SRC_ADC;
+ CODEC_WRITE(sc, AIF1_MXR_SRC, val);
+
+ /* Enable PA power */
+ /* Unmute PA */
+ if (gpio_pin_get_by_ofw_property(dev, node, "allwinner,pa-gpios",
+ &pa_pin) == 0) {
+ error = gpio_pin_set_active(pa_pin, 1);
+ if (error != 0)
+ device_printf(dev, "failed to unmute PA\n");
+ }
+
+ OF_device_register_xref(OF_xref_from_node(node), dev);
+
+ return (0);
+
+fail:
+ sun8i_codec_detach(dev);
+ return (error);
+}
+
+static int
+sun8i_codec_detach(device_t dev)
+{
+ struct sun8i_codec_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (sc->clk_gate)
+ clk_release(sc->clk_gate);
+
+ if (sc->clk_mod)
+ clk_release(sc->clk_mod);
+
+ if (sc->intrhand != NULL)
+ bus_teardown_intr(sc->dev, sc->res[1], sc->intrhand);
+
+ bus_release_resources(dev, sun8i_codec_spec, sc->res);
+ mtx_destroy(&sc->mtx);
+
+ return (0);
+}
+
+static int
+sun8i_codec_dai_init(device_t dev, uint32_t format)
+{
+ struct sun8i_codec_softc *sc;
+ int fmt, pol, clk;
+ uint32_t val;
+
+ sc = device_get_softc(dev);
+
+ fmt = AUDIO_DAI_FORMAT_FORMAT(format);
+ pol = AUDIO_DAI_FORMAT_POLARITY(format);
+ clk = AUDIO_DAI_FORMAT_CLOCK(format);
+
+ val = CODEC_READ(sc, AIF1CLK_CTRL);
+
+ val &= ~AIF1_DATA_FMT_MASK;
+ switch (fmt) {
+ case AUDIO_DAI_FORMAT_I2S:
+ val |= AIF1_DATA_FMT_I2S;
+ break;
+ case AUDIO_DAI_FORMAT_RJ:
+ val |= AIF1_DATA_FMT_RJ;
+ break;
+ case AUDIO_DAI_FORMAT_LJ:
+ val |= AIF1_DATA_FMT_LJ;
+ break;
+ case AUDIO_DAI_FORMAT_DSPA:
+ case AUDIO_DAI_FORMAT_DSPB:
+ val |= AIF1_DATA_FMT_DSP;
+ break;
+ default:
+ return EINVAL;
+ }
+
+ val &= ~(AIF1_BCLK_INV|AIF1_LRCK_INV);
+ /* Codec LRCK polarity is inverted (datasheet is wrong) */
+ if (!AUDIO_DAI_POLARITY_INVERTED_FRAME(pol))
+ val |= AIF1_LRCK_INV;
+ if (AUDIO_DAI_POLARITY_INVERTED_BCLK(pol))
+ val |= AIF1_BCLK_INV;
+
+ switch (clk) {
+ case AUDIO_DAI_CLOCK_CBM_CFM:
+ val &= ~AIF1_MSTR_MOD; /* codec is master */
+ break;
+ case AUDIO_DAI_CLOCK_CBS_CFS:
+ val |= AIF1_MSTR_MOD; /* codec is slave */
+ break;
+ default:
+ return EINVAL;
+ }
+
+ val &= ~AIF1_LRCK_DIV_MASK;
+ val |= AIF1_LRCK_DIV_64;
+
+ val &= ~AIF1_BCLK_DIV_MASK;
+ val |= AIF1_BCLK_DIV_16;
+
+ CODEC_WRITE(sc, AIF1CLK_CTRL, val);
+
+ return (0);
+}
+
+static int
+sun8i_codec_dai_trigger(device_t dev, int go, int pcm_dir)
+{
+
+ return (0);
+}
+
+static int
+sun8i_codec_dai_setup_mixer(device_t dev, device_t pcmdev)
+{
+ struct sun8i_codec_softc *sc;
+
+ sc = device_get_softc(dev);
+ /* Do nothing for now */
+
+ return (0);
+}
+
+
+static device_method_t sun8i_codec_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, sun8i_codec_probe),
+ DEVMETHOD(device_attach, sun8i_codec_attach),
+ DEVMETHOD(device_detach, sun8i_codec_detach),
+
+ DEVMETHOD(audio_dai_init, sun8i_codec_dai_init),
+ DEVMETHOD(audio_dai_setup_mixer, sun8i_codec_dai_setup_mixer),
+ DEVMETHOD(audio_dai_trigger, sun8i_codec_dai_trigger),
+
+ DEVMETHOD_END
+};
+
+static driver_t sun8i_codec_driver = {
+ "sun8icodec",
+ sun8i_codec_methods,
+ sizeof(struct sun8i_codec_softc),
+};
+
+static devclass_t sun8i_codec_devclass;
+
+DRIVER_MODULE(sun8i_codec, simplebus, sun8i_codec_driver,
sun8i_codec_devclass, 0, 0);
+SIMPLEBUS_PNP_INFO(compat_data);
diff --git a/sys/arm/allwinner/a64/sun50i_a64_acodec.c
b/sys/arm/allwinner/a64/sun50i_a64_acodec.c
new file mode 100644
index 000000000000..10febf98abd8
--- /dev/null
+++ b/sys/arm/allwinner/a64/sun50i_a64_acodec.c
@@ -0,0 +1,488 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2020 Oleksandr Tymoshenko <go...@freebsd.org>
+ * Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#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/clk/clk.h>
+#include <dev/extres/hwreset/hwreset.h>
+#include <dev/extres/regulator/regulator.h>
+
+#include "syscon_if.h"
+
+#include "opt_snd.h"
+#include <dev/sound/pcm/sound.h>
+#include <dev/sound/fdt/audio_dai.h>
+#include "audio_dai_if.h"
+#include "mixer_if.h"
+
+#define A64_PR_CFG 0x00
+#define A64_AC_PR_RST (1 << 28)
+#define A64_AC_PR_RW (1 << 24)
+#define A64_AC_PR_ADDR_MASK (0x1f << 16)
+#define A64_AC_PR_ADDR(n) (((n) & 0x1f) << 16)
+#define A64_ACDA_PR_WDAT_MASK (0xff << 8)
+#define A64_ACDA_PR_WDAT(n) (((n) & 0xff) << 8)
+#define A64_ACDA_PR_RDAT(n) ((n) & 0xff)
+
+#define A64_HP_CTRL 0x00
+#define A64_HPPA_EN (1 << 6)
+#define A64_HPVOL_MASK 0x3f
+#define A64_HPVOL(n) ((n) & 0x3f)
+#define A64_OL_MIX_CTRL 0x01
+#define A64_LMIXMUTE_LDAC (1 << 1)
+#define A64_OR_MIX_CTRL 0x02
+#define A64_RMIXMUTE_RDAC (1 << 1)
+#define A64_LINEOUT_CTRL0 0x05
+#define A64_LINEOUT_LEFT_EN (1 << 7)
+#define A64_LINEOUT_RIGHT_EN (1 << 6)
+#define A64_LINEOUT_EN
(A64_LINEOUT_LEFT_EN|A64_LINEOUT_RIGHT_EN)
+#define A64_LINEOUT_CTRL1 0x06
+#define A64_LINEOUT_VOL __BITS(4,0)
+#define A64_MIC1_CTRL 0x07
+#define A64_MIC1G __BITS(6,4)
+#define A64_MIC1AMPEN (1 << 3)
+#define A64_MIC1BOOST __BITS(2,0)
+#define A64_MIC2_CTRL 0x08
+#define A64_MIC2_SEL (1 << 7)
+#define A64_MIC2G_MASK (7 << 4)
+#define A64_MIC2G(n) (((n) & 7) << 4)
+#define A64_MIC2AMPEN (1 << 3)
+#define A64_MIC2BOOST_MASK (7 << 0)
+#define A64_MIC2BOOST(n) (((n) & 7) << 0)
+#define A64_LINEIN_CTRL 0x09
+#define A64_LINEING __BITS(6,4)
+#define A64_MIX_DAC_CTRL 0x0a
+#define A64_DACAREN (1 << 7)
+#define A64_DACALEN (1 << 6)
+#define A64_RMIXEN (1 << 5)
+#define A64_LMIXEN (1 << 4)
+#define A64_RHPPAMUTE (1 << 3)
+#define A64_LHPPAMUTE (1 << 2)
+#define A64_RHPIS (1 << 1)
+#define A64_LHPIS (1 << 0)
+#define A64_L_ADCMIX_SRC 0x0b
+#define A64_R_ADCMIX_SRC 0x0c
+#define A64_ADCMIX_SRC_MIC1 (1 << 6)
+#define A64_ADCMIX_SRC_MIC2 (1 << 5)
+#define A64_ADCMIX_SRC_LINEIN (1 << 2)
+#define A64_ADCMIX_SRC_OMIXER (1 << 1)
+#define A64_ADC_CTRL 0x0d
+#define A64_ADCREN (1 << 7)
+#define A64_ADCLEN (1 << 6)
+#define A64_ADCG __BITS(2,0)
+#define A64_JACK_MIC_CTRL 0x1d
+#define A64_JACKDETEN (1 << 7)
+#define A64_INNERRESEN (1 << 6)
+#define A64_HMICBIASEN (1 << 5)
+#define A64_AUTOPLEN (1 << 1)
+
+#define A64CODEC_MIXER_DEVS ((1 << SOUND_MIXER_VOLUME) | \
+ (1 << SOUND_MIXER_MIC))
+
+static struct ofw_compat_data compat_data[] = {
+ { "allwinner,sun50i-a64-codec-analog", 1},
+ { NULL, 0 }
+};
+
+struct a64codec_softc {
+ device_t dev;
+ struct resource *res;
+ struct mtx mtx;
+ u_int regaddr; /* address for the sysctl */
+};
+
+#define A64CODEC_LOCK(sc) mtx_lock(&(sc)->mtx)
+#define A64CODEC_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
+#define A64CODEC_READ(sc, reg) bus_read_4((sc)->res, (reg))
+#define A64CODEC_WRITE(sc, reg, val) bus_write_4((sc)->res, (reg),
(val))
+
+static int a64codec_probe(device_t dev);
+static int a64codec_attach(device_t dev);
+static int a64codec_detach(device_t dev);
+
+static u_int
+a64_acodec_pr_read(struct a64codec_softc *sc, u_int addr)
+{
+ uint32_t val;
+
+ /* Read current value */
+ val = A64CODEC_READ(sc, A64_PR_CFG);
+
+ /* De-assert reset */
+ val |= A64_AC_PR_RST;
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Read mode */
+ val &= ~A64_AC_PR_RW;
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Set address */
+ val &= ~A64_AC_PR_ADDR_MASK;
+ val |= A64_AC_PR_ADDR(addr);
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Read data */
+ val = A64CODEC_READ(sc, A64_PR_CFG);
+ return A64_ACDA_PR_RDAT(val);
+}
+
+static void
+a64_acodec_pr_write(struct a64codec_softc *sc, u_int addr, u_int data)
+{
+ uint32_t val;
+
+ /* Read current value */
+ val = A64CODEC_READ(sc, A64_PR_CFG);
+
+ /* De-assert reset */
+ val |= A64_AC_PR_RST;
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Set address */
+ val &= ~A64_AC_PR_ADDR_MASK;
+ val |= A64_AC_PR_ADDR(addr);
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Write data */
+ val &= ~A64_ACDA_PR_WDAT_MASK;
+ val |= A64_ACDA_PR_WDAT(data);
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Write mode */
+ val |= A64_AC_PR_RW;
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+
+ /* Clear write mode */
+ val &= ~A64_AC_PR_RW;
+ A64CODEC_WRITE(sc, A64_PR_CFG, val);
+}
+
+static void
+a64_acodec_pr_set_clear(struct a64codec_softc *sc, u_int addr, u_int set,
u_int clr)
+{
+ u_int old, new;
+
+ old = a64_acodec_pr_read(sc, addr);
+ new = set | (old & ~clr);
+ a64_acodec_pr_write(sc, addr, new);
+}
+
+static int
+a64codec_probe(device_t dev)
+{
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
+ return (ENXIO);
+
+ device_set_desc(dev, "Allwinner A64 Analog Codec");
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+a64codec_attach(device_t dev)
+{
+ struct a64codec_softc *sc;
+ int error, rid;
+ phandle_t node;
+ regulator_t reg;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+
+ mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
+
+ rid = 0;
+ sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
+ if (!sc->res) {
+ device_printf(dev, "cannot allocate resource for device\n");
+ error = ENXIO;
+ goto fail;
+ }
+
+ if (regulator_get_by_ofw_property(dev, 0, "cpvdd-supply", ®) == 0) {
+ error = regulator_enable(reg);
+ if (error != 0) {
+ device_printf(dev, "cannot enable PHY regulator\n");
+ goto fail;
+ }
+ }
+
+ /* Right & Left Headphone PA enable */
+ a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
+ A64_HPPA_EN, 0);
+
+ /* Microphone BIAS enable */
+ a64_acodec_pr_set_clear(sc, A64_JACK_MIC_CTRL,
+ A64_HMICBIASEN | A64_INNERRESEN, 0);
+
+ /* Unmute DAC to output mixer */
+ a64_acodec_pr_set_clear(sc, A64_OL_MIX_CTRL,
+ A64_LMIXMUTE_LDAC, 0);
+ a64_acodec_pr_set_clear(sc, A64_OR_MIX_CTRL,
+ A64_RMIXMUTE_RDAC, 0);
+
+ /* For now we work only with headphones */
+ a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
+ 0, A64_LINEOUT_EN);
+ a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
+ A64_HPPA_EN, 0);
+
+ u_int val = a64_acodec_pr_read(sc, A64_HP_CTRL);
+ val &= ~(0x3f);
+ val |= 0x25;
+ a64_acodec_pr_write(sc, A64_HP_CTRL, val);
+
+ a64_acodec_pr_set_clear(sc, A64_MIC2_CTRL,
+ A64_MIC2AMPEN | A64_MIC2_SEL | A64_MIC2G(0x3) | A64_MIC2BOOST(0x4),
+ A64_MIC2G_MASK | A64_MIC2BOOST_MASK);
+
+ a64_acodec_pr_write(sc, A64_L_ADCMIX_SRC,
+ A64_ADCMIX_SRC_MIC2);
+ a64_acodec_pr_write(sc, A64_R_ADCMIX_SRC,
+ A64_ADCMIX_SRC_MIC2);
+
+ /* Max out MIC2 gain */
+ val = a64_acodec_pr_read(sc, A64_MIC2_CTRL);
+ val &= ~(0x7);
+ val |= (0x7);
+ val &= ~(7 << 4);
+ val |= (7 << 4);
+ a64_acodec_pr_write(sc, A64_MIC2_CTRL, val);
+
+ node = ofw_bus_get_node(dev);
+ OF_device_register_xref(OF_xref_from_node(node), dev);
+
+ return (0);
+
+fail:
+ a64codec_detach(dev);
+ return (error);
+}
+
+static int
+a64codec_detach(device_t dev)
+{
+ struct a64codec_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ if (sc->res)
+ bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->res);
+ mtx_destroy(&sc->mtx);
+
+ return (0);
+}
+
+static int
+a64codec_mixer_init(struct snd_mixer *m)
+{
+
+ mix_setdevs(m, A64CODEC_MIXER_DEVS);
+
+ return (0);
+}
+
+static int
+a64codec_mixer_uninit(struct snd_mixer *m)
+{
+
+ return (0);
+}
+
+static int
+a64codec_mixer_reinit(struct snd_mixer *m)
+{
+
+ return (0);
+}
+
+static int
+a64codec_mixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned
right)
+{
+ struct a64codec_softc *sc;
+ struct mtx *mixer_lock;
+ uint8_t do_unlock;
+ u_int val;
+
+ sc = device_get_softc(mix_getdevinfo(m));
+ mixer_lock = mixer_get_lock(m);
+
+ if (mtx_owned(mixer_lock)) {
+ do_unlock = 0;
+ } else {
+ do_unlock = 1;
+ mtx_lock(mixer_lock);
+ }
+
+ right = left;
+
+ A64CODEC_LOCK(sc);
+ switch(dev) {
+ case SOUND_MIXER_VOLUME:
+ val = a64_acodec_pr_read(sc, A64_HP_CTRL);
+ val &= ~(A64_HPVOL_MASK);
+ val |= A64_HPVOL(left * 63 / 100);
+ a64_acodec_pr_write(sc, A64_HP_CTRL, val);
+ break;
+
+ case SOUND_MIXER_MIC:
+ val = a64_acodec_pr_read(sc, A64_MIC2_CTRL);
+ val &= ~(A64_MIC2BOOST_MASK);
+ val |= A64_MIC2BOOST(left * 7 / 100);
+ a64_acodec_pr_write(sc, A64_MIC2_CTRL, val);
+ break;
+ default:
+ break;
+ }
+ A64CODEC_UNLOCK(sc);
+
+ if (do_unlock) {
+ mtx_unlock(mixer_lock);
+ }
+
+ return (left | (right << 8));
+}
+
+static unsigned
+a64codec_mixer_setrecsrc(struct snd_mixer *m, unsigned src)
+{
+
+ return (0);
+}
+
+static kobj_method_t a64codec_mixer_methods[] = {
+ KOBJMETHOD(mixer_init, a64codec_mixer_init),
+ KOBJMETHOD(mixer_uninit, a64codec_mixer_uninit),
+ KOBJMETHOD(mixer_reinit, a64codec_mixer_reinit),
+ KOBJMETHOD(mixer_set, a64codec_mixer_set),
+ KOBJMETHOD(mixer_setrecsrc, a64codec_mixer_setrecsrc),
+ KOBJMETHOD_END
+};
+
+MIXER_DECLARE(a64codec_mixer);
+
+static int
+a64codec_dai_init(device_t dev, uint32_t format)
+{
+
+ return (0);
+}
+
+static int
+a64codec_dai_trigger(device_t dev, int go, int pcm_dir)
+{
+ struct a64codec_softc *sc = device_get_softc(dev);
+
+ if ((pcm_dir != PCMDIR_PLAY) && (pcm_dir != PCMDIR_REC))
+ return (EINVAL);
+
+ switch (go) {
+ case PCMTRIG_START:
+ if (pcm_dir == PCMDIR_PLAY) {
+ /* Enable DAC analog l/r channels, HP PA, and output
mixer */
+ a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
+ A64_DACAREN | A64_DACALEN | A64_RMIXEN | A64_LMIXEN
|
+ A64_RHPPAMUTE | A64_LHPPAMUTE, 0);
+ }
+ else if (pcm_dir == PCMDIR_REC) {
+ /* Enable ADC analog l/r channels */
+ a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
+ A64_ADCREN | A64_ADCLEN, 0);
+ }
+ break;
+
+ case PCMTRIG_STOP:
+ case PCMTRIG_ABORT:
+ if (pcm_dir == PCMDIR_PLAY) {
+ /* Disable DAC analog l/r channels, HP PA, and output
mixer */
+ a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
+ 0, A64_DACAREN | A64_DACALEN | A64_RMIXEN |
A64_LMIXEN |
+ A64_RHPPAMUTE | A64_LHPPAMUTE);
+ }
+ else if (pcm_dir == PCMDIR_REC) {
+ /* Disable ADC analog l/r channels */
+ a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
+ 0, A64_ADCREN | A64_ADCLEN);
+ }
+ break;
+ }
+
+ return (0);
+}
+
+static int
+a64codec_dai_setup_mixer(device_t dev, device_t pcmdev)
+{
+
+ mixer_init(pcmdev, &a64codec_mixer_class, dev);
+
+ return (0);
+}
+
+static device_method_t a64codec_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, a64codec_probe),
+ DEVMETHOD(device_attach, a64codec_attach),
+ DEVMETHOD(device_detach, a64codec_detach),
+
+ DEVMETHOD(audio_dai_init, a64codec_dai_init),
+ DEVMETHOD(audio_dai_setup_mixer, a64codec_dai_setup_mixer),
+ DEVMETHOD(audio_dai_trigger, a64codec_dai_trigger),
+
+ DEVMETHOD_END
+};
+
+static driver_t a64codec_driver = {
+ "a64codec",
+ a64codec_methods,
+ sizeof(struct a64codec_softc),
+};
+
+static devclass_t a64codec_devclass;
+
+DRIVER_MODULE(a64codec, simplebus, a64codec_driver, a64codec_devclass, 0, 0);
+SIMPLEBUS_PNP_INFO(compat_data);
diff --git a/sys/arm/allwinner/aw_i2s.c b/sys/arm/allwinner/aw_i2s.c
new file mode 100644
index 000000000000..013e88a548a8
--- /dev/null
+++ b/sys/arm/allwinner/aw_i2s.c
@@ -0,0 +1,813 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
+ * Copyright (c) 2020 Oleksandr Tymoshenko <go...@freebsd.org>
+ * Copyright (c) 2018 Jared McNeill <jmcne...@invisible.ca>
+ *
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#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>
*** 805 LINES SKIPPED ***
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