mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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b2f0caf160
We've removed kernel option EXT_RESOURCES almost two years ago. While it was ok to have some code under a common 'extres' subdirectory at first, we now have a lot of consumer of it and we made it mandatory so no need to have it under a cryptic name. Reviewed by: emaste, imp Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D43194
482 lines
12 KiB
C
482 lines
12 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2020 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
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* Copyright (c) 2018 Jared McNeill <jmcneill@invisible.ca>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/lock.h>
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#include <sys/module.h>
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#include <sys/mutex.h>
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#include <sys/rman.h>
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#include <sys/resource.h>
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#include <machine/bus.h>
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#include <dev/ofw/ofw_bus.h>
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#include <dev/ofw/ofw_bus_subr.h>
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#include <dev/clk/clk.h>
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#include <dev/hwreset/hwreset.h>
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#include <dev/regulator/regulator.h>
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#include "syscon_if.h"
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#include "opt_snd.h"
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#include <dev/sound/pcm/sound.h>
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#include <dev/sound/fdt/audio_dai.h>
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#include "audio_dai_if.h"
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#include "mixer_if.h"
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#define A64_PR_CFG 0x00
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#define A64_AC_PR_RST (1 << 28)
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#define A64_AC_PR_RW (1 << 24)
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#define A64_AC_PR_ADDR_MASK (0x1f << 16)
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#define A64_AC_PR_ADDR(n) (((n) & 0x1f) << 16)
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#define A64_ACDA_PR_WDAT_MASK (0xff << 8)
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#define A64_ACDA_PR_WDAT(n) (((n) & 0xff) << 8)
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#define A64_ACDA_PR_RDAT(n) ((n) & 0xff)
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#define A64_HP_CTRL 0x00
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#define A64_HPPA_EN (1 << 6)
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#define A64_HPVOL_MASK 0x3f
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#define A64_HPVOL(n) ((n) & 0x3f)
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#define A64_OL_MIX_CTRL 0x01
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#define A64_LMIXMUTE_LDAC (1 << 1)
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#define A64_OR_MIX_CTRL 0x02
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#define A64_RMIXMUTE_RDAC (1 << 1)
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#define A64_LINEOUT_CTRL0 0x05
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#define A64_LINEOUT_LEFT_EN (1 << 7)
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#define A64_LINEOUT_RIGHT_EN (1 << 6)
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#define A64_LINEOUT_EN (A64_LINEOUT_LEFT_EN|A64_LINEOUT_RIGHT_EN)
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#define A64_LINEOUT_CTRL1 0x06
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#define A64_LINEOUT_VOL __BITS(4,0)
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#define A64_MIC1_CTRL 0x07
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#define A64_MIC1G __BITS(6,4)
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#define A64_MIC1AMPEN (1 << 3)
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#define A64_MIC1BOOST __BITS(2,0)
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#define A64_MIC2_CTRL 0x08
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#define A64_MIC2_SEL (1 << 7)
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#define A64_MIC2G_MASK (7 << 4)
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#define A64_MIC2G(n) (((n) & 7) << 4)
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#define A64_MIC2AMPEN (1 << 3)
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#define A64_MIC2BOOST_MASK (7 << 0)
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#define A64_MIC2BOOST(n) (((n) & 7) << 0)
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#define A64_LINEIN_CTRL 0x09
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#define A64_LINEING __BITS(6,4)
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#define A64_MIX_DAC_CTRL 0x0a
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#define A64_DACAREN (1 << 7)
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#define A64_DACALEN (1 << 6)
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#define A64_RMIXEN (1 << 5)
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#define A64_LMIXEN (1 << 4)
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#define A64_RHPPAMUTE (1 << 3)
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#define A64_LHPPAMUTE (1 << 2)
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#define A64_RHPIS (1 << 1)
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#define A64_LHPIS (1 << 0)
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#define A64_L_ADCMIX_SRC 0x0b
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#define A64_R_ADCMIX_SRC 0x0c
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#define A64_ADCMIX_SRC_MIC1 (1 << 6)
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#define A64_ADCMIX_SRC_MIC2 (1 << 5)
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#define A64_ADCMIX_SRC_LINEIN (1 << 2)
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#define A64_ADCMIX_SRC_OMIXER (1 << 1)
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#define A64_ADC_CTRL 0x0d
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#define A64_ADCREN (1 << 7)
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#define A64_ADCLEN (1 << 6)
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#define A64_ADCG __BITS(2,0)
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#define A64_JACK_MIC_CTRL 0x1d
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#define A64_JACKDETEN (1 << 7)
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#define A64_INNERRESEN (1 << 6)
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#define A64_HMICBIASEN (1 << 5)
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#define A64_AUTOPLEN (1 << 1)
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#define A64CODEC_MIXER_DEVS ((1 << SOUND_MIXER_VOLUME) | \
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(1 << SOUND_MIXER_MIC))
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static struct ofw_compat_data compat_data[] = {
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{ "allwinner,sun50i-a64-codec-analog", 1},
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{ NULL, 0 }
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};
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struct a64codec_softc {
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device_t dev;
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struct resource *res;
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struct mtx mtx;
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u_int regaddr; /* address for the sysctl */
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};
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#define A64CODEC_LOCK(sc) mtx_lock(&(sc)->mtx)
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#define A64CODEC_UNLOCK(sc) mtx_unlock(&(sc)->mtx)
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#define A64CODEC_READ(sc, reg) bus_read_4((sc)->res, (reg))
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#define A64CODEC_WRITE(sc, reg, val) bus_write_4((sc)->res, (reg), (val))
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static int a64codec_probe(device_t dev);
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static int a64codec_attach(device_t dev);
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static int a64codec_detach(device_t dev);
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static u_int
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a64_acodec_pr_read(struct a64codec_softc *sc, u_int addr)
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{
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uint32_t val;
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/* Read current value */
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val = A64CODEC_READ(sc, A64_PR_CFG);
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/* De-assert reset */
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val |= A64_AC_PR_RST;
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Read mode */
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val &= ~A64_AC_PR_RW;
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Set address */
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val &= ~A64_AC_PR_ADDR_MASK;
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val |= A64_AC_PR_ADDR(addr);
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Read data */
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val = A64CODEC_READ(sc, A64_PR_CFG);
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return A64_ACDA_PR_RDAT(val);
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}
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static void
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a64_acodec_pr_write(struct a64codec_softc *sc, u_int addr, u_int data)
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{
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uint32_t val;
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/* Read current value */
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val = A64CODEC_READ(sc, A64_PR_CFG);
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/* De-assert reset */
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val |= A64_AC_PR_RST;
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Set address */
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val &= ~A64_AC_PR_ADDR_MASK;
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val |= A64_AC_PR_ADDR(addr);
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Write data */
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val &= ~A64_ACDA_PR_WDAT_MASK;
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val |= A64_ACDA_PR_WDAT(data);
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Write mode */
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val |= A64_AC_PR_RW;
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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/* Clear write mode */
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val &= ~A64_AC_PR_RW;
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A64CODEC_WRITE(sc, A64_PR_CFG, val);
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}
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static void
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a64_acodec_pr_set_clear(struct a64codec_softc *sc, u_int addr, u_int set, u_int clr)
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{
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u_int old, new;
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old = a64_acodec_pr_read(sc, addr);
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new = set | (old & ~clr);
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a64_acodec_pr_write(sc, addr, new);
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}
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static int
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a64codec_probe(device_t dev)
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{
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (!ofw_bus_search_compatible(dev, compat_data)->ocd_data)
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return (ENXIO);
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device_set_desc(dev, "Allwinner A64 Analog Codec");
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return (BUS_PROBE_DEFAULT);
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}
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static int
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a64codec_attach(device_t dev)
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{
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struct a64codec_softc *sc;
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int error, rid;
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phandle_t node;
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regulator_t reg;
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sc = device_get_softc(dev);
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sc->dev = dev;
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mtx_init(&sc->mtx, device_get_nameunit(dev), NULL, MTX_DEF);
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rid = 0;
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sc->res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
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if (!sc->res) {
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device_printf(dev, "cannot allocate resource for device\n");
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error = ENXIO;
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goto fail;
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}
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if (regulator_get_by_ofw_property(dev, 0, "cpvdd-supply", ®) == 0) {
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error = regulator_enable(reg);
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if (error != 0) {
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device_printf(dev, "cannot enable PHY regulator\n");
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goto fail;
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}
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}
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/* Right & Left Headphone PA enable */
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a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
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A64_HPPA_EN, 0);
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/* Microphone BIAS enable */
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a64_acodec_pr_set_clear(sc, A64_JACK_MIC_CTRL,
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A64_HMICBIASEN | A64_INNERRESEN, 0);
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/* Unmute DAC to output mixer */
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a64_acodec_pr_set_clear(sc, A64_OL_MIX_CTRL,
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A64_LMIXMUTE_LDAC, 0);
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a64_acodec_pr_set_clear(sc, A64_OR_MIX_CTRL,
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A64_RMIXMUTE_RDAC, 0);
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/* For now we work only with headphones */
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a64_acodec_pr_set_clear(sc, A64_LINEOUT_CTRL0,
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0, A64_LINEOUT_EN);
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a64_acodec_pr_set_clear(sc, A64_HP_CTRL,
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A64_HPPA_EN, 0);
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u_int val = a64_acodec_pr_read(sc, A64_HP_CTRL);
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val &= ~(0x3f);
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val |= 0x25;
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a64_acodec_pr_write(sc, A64_HP_CTRL, val);
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a64_acodec_pr_set_clear(sc, A64_MIC2_CTRL,
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A64_MIC2AMPEN | A64_MIC2_SEL | A64_MIC2G(0x3) | A64_MIC2BOOST(0x4),
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A64_MIC2G_MASK | A64_MIC2BOOST_MASK);
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a64_acodec_pr_write(sc, A64_L_ADCMIX_SRC,
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A64_ADCMIX_SRC_MIC2);
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a64_acodec_pr_write(sc, A64_R_ADCMIX_SRC,
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A64_ADCMIX_SRC_MIC2);
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/* Max out MIC2 gain */
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val = a64_acodec_pr_read(sc, A64_MIC2_CTRL);
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val &= ~(0x7);
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val |= (0x7);
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val &= ~(7 << 4);
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val |= (7 << 4);
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a64_acodec_pr_write(sc, A64_MIC2_CTRL, val);
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node = ofw_bus_get_node(dev);
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OF_device_register_xref(OF_xref_from_node(node), dev);
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return (0);
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fail:
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a64codec_detach(dev);
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return (error);
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}
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static int
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a64codec_detach(device_t dev)
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{
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struct a64codec_softc *sc;
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sc = device_get_softc(dev);
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if (sc->res)
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bus_release_resource(dev, SYS_RES_MEMORY, 0, sc->res);
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mtx_destroy(&sc->mtx);
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return (0);
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}
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static int
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a64codec_mixer_init(struct snd_mixer *m)
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{
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mix_setdevs(m, A64CODEC_MIXER_DEVS);
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return (0);
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}
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static int
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a64codec_mixer_uninit(struct snd_mixer *m)
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{
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return (0);
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}
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static int
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a64codec_mixer_reinit(struct snd_mixer *m)
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{
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return (0);
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}
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static int
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a64codec_mixer_set(struct snd_mixer *m, unsigned dev, unsigned left, unsigned right)
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{
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struct a64codec_softc *sc;
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struct mtx *mixer_lock;
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uint8_t do_unlock;
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u_int val;
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sc = device_get_softc(mix_getdevinfo(m));
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mixer_lock = mixer_get_lock(m);
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if (mtx_owned(mixer_lock)) {
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do_unlock = 0;
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} else {
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do_unlock = 1;
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mtx_lock(mixer_lock);
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}
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right = left;
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A64CODEC_LOCK(sc);
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switch(dev) {
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case SOUND_MIXER_VOLUME:
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val = a64_acodec_pr_read(sc, A64_HP_CTRL);
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val &= ~(A64_HPVOL_MASK);
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val |= A64_HPVOL(left * 63 / 100);
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a64_acodec_pr_write(sc, A64_HP_CTRL, val);
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break;
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case SOUND_MIXER_MIC:
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val = a64_acodec_pr_read(sc, A64_MIC2_CTRL);
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val &= ~(A64_MIC2BOOST_MASK);
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val |= A64_MIC2BOOST(left * 7 / 100);
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a64_acodec_pr_write(sc, A64_MIC2_CTRL, val);
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break;
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default:
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break;
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}
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A64CODEC_UNLOCK(sc);
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if (do_unlock) {
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mtx_unlock(mixer_lock);
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}
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return (left | (right << 8));
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}
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static unsigned
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a64codec_mixer_setrecsrc(struct snd_mixer *m, unsigned src)
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{
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return (0);
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}
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static kobj_method_t a64codec_mixer_methods[] = {
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KOBJMETHOD(mixer_init, a64codec_mixer_init),
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KOBJMETHOD(mixer_uninit, a64codec_mixer_uninit),
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KOBJMETHOD(mixer_reinit, a64codec_mixer_reinit),
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KOBJMETHOD(mixer_set, a64codec_mixer_set),
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KOBJMETHOD(mixer_setrecsrc, a64codec_mixer_setrecsrc),
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KOBJMETHOD_END
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};
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MIXER_DECLARE(a64codec_mixer);
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static int
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a64codec_dai_init(device_t dev, uint32_t format)
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{
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return (0);
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}
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static int
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a64codec_dai_trigger(device_t dev, int go, int pcm_dir)
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{
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struct a64codec_softc *sc = device_get_softc(dev);
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if ((pcm_dir != PCMDIR_PLAY) && (pcm_dir != PCMDIR_REC))
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return (EINVAL);
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switch (go) {
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case PCMTRIG_START:
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if (pcm_dir == PCMDIR_PLAY) {
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/* Enable DAC analog l/r channels, HP PA, and output mixer */
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a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
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A64_DACAREN | A64_DACALEN | A64_RMIXEN | A64_LMIXEN |
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A64_RHPPAMUTE | A64_LHPPAMUTE, 0);
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}
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else if (pcm_dir == PCMDIR_REC) {
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/* Enable ADC analog l/r channels */
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a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
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A64_ADCREN | A64_ADCLEN, 0);
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}
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break;
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case PCMTRIG_STOP:
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case PCMTRIG_ABORT:
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if (pcm_dir == PCMDIR_PLAY) {
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/* Disable DAC analog l/r channels, HP PA, and output mixer */
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a64_acodec_pr_set_clear(sc, A64_MIX_DAC_CTRL,
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0, A64_DACAREN | A64_DACALEN | A64_RMIXEN | A64_LMIXEN |
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A64_RHPPAMUTE | A64_LHPPAMUTE);
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}
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else if (pcm_dir == PCMDIR_REC) {
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/* Disable ADC analog l/r channels */
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a64_acodec_pr_set_clear(sc, A64_ADC_CTRL,
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0, A64_ADCREN | A64_ADCLEN);
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}
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break;
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}
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return (0);
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}
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static int
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a64codec_dai_setup_mixer(device_t dev, device_t pcmdev)
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{
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mixer_init(pcmdev, &a64codec_mixer_class, dev);
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return (0);
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}
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static device_method_t a64codec_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, a64codec_probe),
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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),
|
|
};
|
|
|
|
DRIVER_MODULE(a64codec, simplebus, a64codec_driver, 0, 0);
|
|
SIMPLEBUS_PNP_INFO(compat_data);
|