Module Name: src
Committed By: jmcneill
Date: Thu Sep 4 02:38:18 UTC 2014
Modified Files:
src/sys/arch/arm/allwinner: awin_io.c files.awin
Added Files:
src/sys/arch/arm/allwinner: awin_ac.c
Log Message:
Driver for "Audio Codec" block of A10/A13/A20, not tested.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/arch/arm/allwinner/awin_ac.c
cvs rdiff -u -r1.8 -r1.9 src/sys/arch/arm/allwinner/awin_io.c \
src/sys/arch/arm/allwinner/files.awin
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/arch/arm/allwinner/awin_io.c
diff -u src/sys/arch/arm/allwinner/awin_io.c:1.8 src/sys/arch/arm/allwinner/awin_io.c:1.9
--- src/sys/arch/arm/allwinner/awin_io.c:1.8 Wed Feb 26 00:19:01 2014
+++ src/sys/arch/arm/allwinner/awin_io.c Thu Sep 4 02:38:18 2014
@@ -31,7 +31,7 @@
#include <sys/cdefs.h>
-__KERNEL_RCSID(1, "$NetBSD: awin_io.c,v 1.8 2014/02/26 00:19:01 matt Exp $");
+__KERNEL_RCSID(1, "$NetBSD: awin_io.c,v 1.9 2014/09/04 02:38:18 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -123,6 +123,7 @@ static const struct awin_locators awin_l
{ "awe", OFFANDSIZE(EMAC), NOPORT, AWIN_IRQ_EMAC, AANY },
{ "awge", AWIN_GMAC_OFFSET, AWIN_GMAC_SIZE, NOPORT, AWIN_IRQ_GMAC, A20 },
{ "awincrypto", OFFANDSIZE(SS), NOPORT, AWIN_IRQ_SS, AANY },
+ { "awinac", OFFANDSIZE(AC), NOPORT, AWIN_IRQ_AC, AANY },
};
static int
Index: src/sys/arch/arm/allwinner/files.awin
diff -u src/sys/arch/arm/allwinner/files.awin:1.8 src/sys/arch/arm/allwinner/files.awin:1.9
--- src/sys/arch/arm/allwinner/files.awin:1.8 Tue Feb 25 02:51:52 2014
+++ src/sys/arch/arm/allwinner/files.awin Thu Sep 4 02:38:18 2014
@@ -1,4 +1,4 @@
-# $NetBSD: files.awin,v 1.8 2014/02/25 02:51:52 matt Exp $
+# $NetBSD: files.awin,v 1.9 2014/09/04 02:38:18 jmcneill Exp $
#
# Configuration info for Allwinner ARM Peripherals
#
@@ -101,3 +101,8 @@ file arch/arm/allwinner/awin_wdc.c awin
# A20 AHCI Controller (SATA)
attach ahcisata at awinio with awin_ahcisata
file arch/arm/allwinner/awin_ahcisata.c awin_ahcisata
+
+# A10/A20 Audio Codec (AC)
+device awinac: audiobus, auconv, mulaw, aurateconv
+attach awinac at awinio with awin_ac
+file arch/arm/allwinner/awin_ac.c awin_ac
Added files:
Index: src/sys/arch/arm/allwinner/awin_ac.c
diff -u /dev/null src/sys/arch/arm/allwinner/awin_ac.c:1.1
--- /dev/null Thu Sep 4 02:38:18 2014
+++ src/sys/arch/arm/allwinner/awin_ac.c Thu Sep 4 02:38:18 2014
@@ -0,0 +1,690 @@
+/* $NetBSD: awin_ac.c,v 1.1 2014/09/04 02:38:18 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2014 Jared D. McNeill <[email protected]>
+ * 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 "locators.h"
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: awin_ac.c,v 1.1 2014/09/04 02:38:18 jmcneill Exp $");
+
+#include <sys/param.h>
+#include <sys/bus.h>
+#include <sys/device.h>
+#include <sys/intr.h>
+#include <sys/systm.h>
+
+#include <sys/audioio.h>
+#include <dev/audio_if.h>
+#include <dev/auconv.h>
+
+#include <arm/allwinner/awin_reg.h>
+#include <arm/allwinner/awin_var.h>
+
+#define AWINAC_TX_TRIG_LEVEL 64
+#define AWINAC_TX_MAX_LEVEL 128
+#define AWINAC_INIT_VOL 0x3b
+
+#define AC_DAC_DPC 0x00
+#define DAC_DPC_EN_DA __BIT(31)
+#define DAC_DPC_MODQU __BITS(28,25)
+#define DAC_DPC_DWA __BIT(24)
+#define DAC_DPC_HPF_EN __BIT(18)
+#define DAC_DPC_DVOL __BITS(17,12)
+#define AC_DAC_FIFOC 0x04
+#define DAC_FIFOC_FS __BITS(31,29)
+#define DAC_FS_48KHZ 0
+#define DAC_FS_32KHZ 1
+#define DAC_FS_24KHZ 2
+#define DAC_FS_16KHZ 3
+#define DAC_FS_12KHZ 4
+#define DAC_FS_8KHZ 5
+#define DAC_FS_192KHZ 6
+#define DAC_FS_96KHZ 7
+#define DAC_FIFOC_FIR_VER __BIT(28)
+#define DAC_FIFOC_SEND_LASAT __BIT(26)
+#define DAC_FIFOC_FIFO_MODE __BITS(25,24)
+#define FIFO_MODE_24_31_8 0
+#define FIFO_MODE_16_31_16 0
+#define FIFO_MODE_16_15_0 1
+#define DAC_FIFOC_DRQ_CLR_CNT __BITS(22,21)
+#define DAC_FIFOC_TX_TRIG_LEVEL __BITS(14,8)
+#define DAC_FIFOC_ADDA_LOOP_EN __BIT(7)
+#define DAC_FIFOC_MONO_EN __BIT(6)
+#define DAC_FIFOC_TX_SAMPLE_BITS __BIT(5)
+#define DAC_FIFOC_DRQ_EN __BIT(4)
+#define DAC_FIFOC_IRQ_EN __BIT(3)
+#define DAC_FIFOC_FIFO_UNDERRUN_IRQ_EN __BIT(2)
+#define DAC_FIFOC_FIFO_OVERRUN_IRQ_EN __BIT(1)
+#define DAC_FIFOC_FIFO_FLUSH __BIT(0)
+#define AC_DAC_FIFOS 0x08
+#define DAC_FIFOS_TX_EMPTY __BIT(23)
+#define DAC_FIFOS_TXE_CNT __BITS(22,8)
+#define DAC_FIFOS_TXE_INT __BIT(3)
+#define DAC_FIFOS_TXU_INT __BIT(2)
+#define DAC_FIFOS_TXO_INT __BIT(1)
+#define DAC_FIFOS_INT_MASK __BITS(3,1)
+#define AC_DAC_TXDATA 0x0c
+#define AC_DAC_ACTL 0x10
+#define DAC_ACTL_DACAREN __BIT(31)
+#define DAC_ACTL_DACALEN __BIT(30)
+#define DAC_ACTL_MIXEN __BIT(29)
+#define DAC_ACTL_LNG __BIT(26)
+#define DAC_ACTL_FMG __BITS(25,23)
+#define DAC_ACTL_MICG __BITS(22,20)
+#define DAC_ACTL_LLNS __BIT(19)
+#define DAC_ACTL_RLNS __BIT(18)
+#define DAC_ACTL_LFMS __BIT(17)
+#define DAC_ACTL_RFMS __BIT(16)
+#define DAC_ACTL_LDACLMIXS __BIT(15)
+#define DAC_ACTL_RDACRMIXS __BIT(14)
+#define DAC_ACTL_LDACRMIXS __BIT(13)
+#define DAC_ACTL_MIC1LS __BIT(12)
+#define DAC_ACTL_MIC1RS __BIT(11)
+#define DAC_ACTL_MIC2LS __BIT(10)
+#define DAC_ACTL_MIC2RS __BIT(9)
+#define DAC_ACTL_DACPAS __BIT(8)
+#define DAC_ACTL_MIXPAS __BIT(7)
+#define DAC_ACTL_PAMUTE __BIT(6)
+#define DAC_ACTL_PAVOL __BITS(5,0)
+#define AC_DAC_TUNE 0x14
+#define AC_ADC_FIFOC 0x1c
+#define AC_ADC_FIFOS 0x20
+#define AC_ADC_RXDATA 0x24
+#define AC_ADC_ACTL 0x28
+#define AC_DAC_CNT 0x30
+#define AC_ADC_CNT 0x34
+#define AC_DAC_CAL 0x38
+#define AC_MIC_PHONE_CAL 0x3c
+
+struct awinac_softc {
+ device_t sc_dev;
+ device_t sc_audiodev;
+
+ bus_space_tag_t sc_bst;
+ bus_space_handle_t sc_bsh;
+
+ kmutex_t sc_lock;
+ kmutex_t sc_intr_lock;
+
+ struct audio_format sc_format;
+ struct audio_encoding_set *sc_encodings;
+
+ audio_params_t sc_pparam;
+
+ void * sc_ih;
+ void * sc_sih;
+ int sc_psamples;
+ void (*sc_pint)(void *);
+ void *sc_pintarg;
+ int16_t *sc_pstart;
+ int16_t *sc_pend;
+ int16_t *sc_pcur;
+ int sc_pblksize;
+ int sc_pbytes;
+
+ struct awin_gpio_pindata sc_pactrl_gpio;
+ bool sc_has_pactrl_gpio;
+};
+
+static int awinac_match(device_t, cfdata_t, void *);
+static void awinac_attach(device_t, device_t, void *);
+static int awinac_rescan(device_t, const char *, const int *);
+static void awinac_childdet(device_t, device_t);
+
+static void awinac_init(struct awinac_softc *);
+
+static int awinac_intr(void *);
+static void awinac_softintr(void *);
+
+static int awinac_open(void *, int);
+static void awinac_close(void *);
+static int awinac_drain(void *);
+static int awinac_query_encoding(void *, struct audio_encoding *);
+static int awinac_set_params(void *, int, int,
+ audio_params_t *,
+ audio_params_t *,
+ stream_filter_list_t *,
+ stream_filter_list_t *);
+static int awinac_commit_settings(void *);
+static int awinac_halt_output(void *);
+static int awinac_halt_input(void *);
+static int awinac_set_port(void *, mixer_ctrl_t *);
+static int awinac_get_port(void *, mixer_ctrl_t *);
+static int awinac_query_devinfo(void *, mixer_devinfo_t *);
+static int awinac_getdev(void *, struct audio_device *);
+static int awinac_get_props(void *);
+static int awinac_round_blocksize(void *, int, int,
+ const audio_params_t *);
+static size_t awinac_round_buffersize(void *, int, size_t);
+static int awinac_trigger_output(void *, void *, void *, int,
+ void (*)(void *), void *,
+ const audio_params_t *);
+static int awinac_trigger_input(void *, void *, void *, int,
+ void (*)(void *), void *,
+ const audio_params_t *);
+static void awinac_get_locks(void *, kmutex_t **, kmutex_t **);
+
+static const struct audio_hw_if awinac_hw_if = {
+ .open = awinac_open,
+ .close = awinac_close,
+ .drain = awinac_drain,
+ .query_encoding = awinac_query_encoding,
+ .set_params = awinac_set_params,
+ .commit_settings = awinac_commit_settings,
+ .halt_output = awinac_halt_output,
+ .halt_input = awinac_halt_input,
+ .getdev = awinac_getdev,
+ .set_port = awinac_set_port,
+ .get_port = awinac_get_port,
+ .query_devinfo = awinac_query_devinfo,
+ .get_props = awinac_get_props,
+ .round_blocksize = awinac_round_blocksize,
+ .round_buffersize = awinac_round_buffersize,
+ .trigger_output = awinac_trigger_output,
+ .trigger_input = awinac_trigger_input,
+ .get_locks = awinac_get_locks,
+};
+
+enum {
+ AC_OUTPUT_CLASS,
+ AC_INPUT_CLASS,
+ AC_OUTPUT_MASTER_VOLUME,
+ AC_INPUT_DAC_VOLUME,
+ AC_ENUM_LAST
+};
+
+CFATTACH_DECL2_NEW(awin_ac, sizeof(struct awinac_softc),
+ awinac_match, awinac_attach, NULL, NULL,
+ awinac_rescan, awinac_childdet);
+
+#define AC_WRITE(sc, reg, val) \
+ bus_space_write_4((sc)->sc_bst, (sc)->sc_bsh, (reg), (val))
+#define AC_READ(sc, reg) \
+ bus_space_read_4((sc)->sc_bst, (sc)->sc_bsh, (reg))
+
+static int
+awinac_match(device_t parent, cfdata_t cf, void *aux)
+{
+ struct awinio_attach_args * const aio = aux;
+ const struct awin_locators * const loc = &aio->aio_loc;
+ const int port = cf->cf_loc[AWINIOCF_PORT];
+
+ if (strcmp(cf->cf_name, loc->loc_name))
+ return 0;
+
+ if (port != AWINIOCF_PORT_DEFAULT && port != loc->loc_port)
+ return 0;
+
+ return 1;
+}
+
+static void
+awinac_attach(device_t parent, device_t self, void *aux)
+{
+ struct awinac_softc * const sc = device_private(self);
+ struct awinio_attach_args * const aio = aux;
+ const struct awin_locators * const loc = &aio->aio_loc;
+ prop_dictionary_t cfg = device_properties(self);
+ const char *pin_name;
+ int error;
+
+ sc->sc_dev = self;
+ sc->sc_bst = aio->aio_core_bst;
+ bus_space_subregion(sc->sc_bst, aio->aio_core_bsh,
+ loc->loc_offset, loc->loc_size, &sc->sc_bsh);
+ mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
+ mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED);
+
+ aprint_naive("\n");
+ aprint_normal(": CODEC\n");
+
+ if (prop_dictionary_get_cstring_nocopy(cfg, "pactrl-gpio", &pin_name)) {
+ if (!awin_gpio_pin_reserve(pin_name, &sc->sc_pactrl_gpio)) {
+ aprint_error_dev(self,
+ "failed to reserve GPIO \"%s\"\n", pin_name);
+ } else {
+ sc->sc_has_pactrl_gpio = true;
+ }
+ }
+
+ awin_pll2_enable();
+ awin_reg_set_clear(sc->sc_bst, aio->aio_ccm_bsh,
+ AWIN_APB0_GATING_REG, AWIN_APB0_GATING_ADDA, 0);
+ awin_reg_set_clear(sc->sc_bst, aio->aio_ccm_bsh,
+ AWIN_AUDIO_CODEC_CLK_REG, AWIN_CLK_ENABLE, 0);
+
+ if (sc->sc_has_pactrl_gpio)
+ awin_gpio_pindata_write(&sc->sc_pactrl_gpio, 0);
+
+ awinac_init(sc);
+
+ sc->sc_ih = intr_establish(loc->loc_intr, IPL_SCHED, IST_LEVEL,
+ awinac_intr, sc);
+ if (sc->sc_ih == NULL) {
+ aprint_error_dev(self, "couldn't establish interrupt %d\n",
+ loc->loc_intr);
+ return;
+ }
+
+ sc->sc_format.mode = AUMODE_PLAY|AUMODE_RECORD;
+ sc->sc_format.encoding = AUDIO_ENCODING_SLINEAR_LE;
+ sc->sc_format.validbits = 16;
+ sc->sc_format.precision = 16;
+ sc->sc_format.channels = 2;
+ sc->sc_format.channel_mask = AUFMT_STEREO;
+ sc->sc_format.frequency_type = 0;
+ sc->sc_format.frequency[0] = sc->sc_format.frequency[1] = 48000;
+
+ error = auconv_create_encodings(&sc->sc_format, 1, &sc->sc_encodings);
+ if (error) {
+ aprint_error_dev(self, "couldn't create encodings (error=%d)\n",
+ error);
+ return;
+ }
+
+ awinac_rescan(self, NULL, NULL);
+}
+
+static int
+awinac_rescan(device_t self, const char *ifattr, const int *locs)
+{
+ struct awinac_softc *sc = device_private(self);
+
+ if (ifattr_match(ifattr, "audiobus") && sc->sc_audiodev == NULL) {
+ if (sc->sc_encodings == NULL)
+ return EIO;
+ sc->sc_audiodev = audio_attach_mi(&awinac_hw_if,
+ sc, sc->sc_dev);
+ }
+
+ return 0;
+}
+
+static void
+awinac_childdet(device_t self, device_t child)
+{
+ struct awinac_softc *sc = device_private(self);
+
+ if (sc->sc_audiodev == child)
+ sc->sc_audiodev = NULL;
+}
+
+static void
+awinac_init(struct awinac_softc *sc)
+{
+ uint32_t val;
+
+ val = AC_READ(sc, AC_DAC_DPC);
+ val |= DAC_DPC_EN_DA;
+ AC_WRITE(sc, AC_DAC_DPC, val);
+
+ val = AC_READ(sc, AC_DAC_ACTL);
+ val |= DAC_ACTL_PAMUTE;
+ val &= ~DAC_ACTL_PAVOL;
+ val |= __SHIFTIN(AWINAC_INIT_VOL, DAC_ACTL_PAVOL);
+ AC_WRITE(sc, AC_DAC_ACTL, val);
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val &= ~DAC_FIFOC_IRQ_EN;
+ val &= ~DAC_FIFOC_DRQ_EN;
+ val &= ~DAC_FIFOC_FIFO_UNDERRUN_IRQ_EN;
+ val &= ~DAC_FIFOC_FIFO_OVERRUN_IRQ_EN;
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ AC_WRITE(sc, AC_DAC_FIFOS, AC_READ(sc, AC_DAC_FIFOS));
+}
+
+static int
+awinac_intr(void *priv)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+
+ val = AC_READ(sc, AC_DAC_FIFOS);
+ if ((val & DAC_FIFOS_INT_MASK) == 0)
+ return 0;
+ AC_WRITE(sc, AC_DAC_FIFOS, val);
+
+ if (sc->sc_sih == NULL)
+ return 0;
+
+ if (val & DAC_FIFOS_TXE_INT) {
+ sc->sc_psamples = 0;
+ } else if (val & DAC_FIFOS_TXU_INT) {
+ sc->sc_psamples = __SHIFTOUT(val, DAC_FIFOS_TXE_CNT);
+ }
+
+ if (sc->sc_psamples < AWINAC_TX_TRIG_LEVEL) {
+ softint_schedule(sc->sc_sih);
+ }
+
+ return 1;
+}
+
+static void
+awinac_softintr(void *priv)
+{
+ struct awinac_softc *sc = priv;
+
+ while (sc->sc_psamples < AWINAC_TX_MAX_LEVEL) {
+ AC_WRITE(sc, AC_DAC_TXDATA, *sc->sc_pcur);
+ sc->sc_pcur++;
+ if (sc->sc_pcur == sc->sc_pend)
+ sc->sc_pcur = sc->sc_pstart;
+ sc->sc_psamples++;
+ sc->sc_pbytes += 2;
+ if (sc->sc_pbytes == sc->sc_pblksize) {
+ sc->sc_pint(sc->sc_pintarg);
+ sc->sc_pbytes = 0;
+ }
+ }
+}
+
+static int
+awinac_open(void *priv, int flags)
+{
+ return 0;
+}
+
+static void
+awinac_close(void *priv)
+{
+}
+
+static int
+awinac_drain(void *priv)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val |= DAC_FIFOC_FIFO_FLUSH;
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ return 0;
+}
+
+static int
+awinac_query_encoding(void *priv, struct audio_encoding *ae)
+{
+ struct awinac_softc *sc = priv;
+
+ return auconv_query_encoding(sc->sc_encodings, ae);
+}
+
+static int
+awinac_set_params(void *priv, int setmode, int usemode,
+ audio_params_t *play, audio_params_t *rec,
+ stream_filter_list_t *pfil, stream_filter_list_t *rfil)
+{
+ struct awinac_softc *sc = priv;
+ int index;
+
+ if (play && (setmode & AUMODE_PLAY)) {
+ index = auconv_set_converter(&sc->sc_format, 1,
+ AUMODE_PLAY, play, true, pfil);
+ if (index < 0)
+ return EINVAL;
+ sc->sc_pparam = pfil->req_size > 0 ?
+ pfil->filters[0].param :
+ *play;
+ }
+
+ return 0;
+}
+
+static int
+awinac_commit_settings(void *priv)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+
+ if (sc->sc_pparam.sample_rate != 48000)
+ return EINVAL;
+ if (sc->sc_pparam.validbits != 16 && sc->sc_pparam.validbits != 24)
+ return EINVAL;
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val |= DAC_FIFOC_FIR_VER;
+ val &= ~DAC_FIFOC_FS;
+ val |= __SHIFTIN(DAC_FS_48KHZ, DAC_FIFOC_FS);
+ val &= ~DAC_FIFOC_SEND_LASAT;
+ val &= ~DAC_FIFOC_FIFO_MODE;
+ val |= __SHIFTIN(FIFO_MODE_16_15_0, DAC_FIFOC_FIFO_MODE);
+ val &= ~DAC_FIFOC_TX_TRIG_LEVEL;
+ val |= __SHIFTIN(AWINAC_TX_TRIG_LEVEL, DAC_FIFOC_TX_TRIG_LEVEL);
+ val &= ~DAC_FIFOC_ADDA_LOOP_EN;
+ val &= ~DAC_FIFOC_MONO_EN;
+ if (sc->sc_pparam.validbits == 16) {
+ val &= ~DAC_FIFOC_TX_SAMPLE_BITS;
+ } else if (sc->sc_pparam.validbits == 24) {
+ val |= DAC_FIFOC_TX_SAMPLE_BITS;
+ }
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ return 0;
+}
+
+static int
+awinac_halt_output(void *priv)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+
+ if (sc->sc_has_pactrl_gpio)
+ awin_gpio_pindata_write(&sc->sc_pactrl_gpio, 0);
+
+ val = AC_READ(sc, AC_DAC_ACTL);
+ val &= ~DAC_ACTL_DACAREN;
+ val &= ~DAC_ACTL_DACALEN;
+ val &= ~DAC_ACTL_DACPAS;
+ AC_WRITE(sc, AC_DAC_ACTL, val);
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val &= ~DAC_FIFOC_IRQ_EN;
+ val &= ~DAC_FIFOC_FIFO_UNDERRUN_IRQ_EN;
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ softint_disestablish(sc->sc_sih);
+ sc->sc_sih = NULL;
+ sc->sc_pint = NULL;
+ sc->sc_pintarg = NULL;
+
+ return 0;
+}
+
+static int
+awinac_halt_input(void *priv)
+{
+ return EINVAL;
+}
+
+static int
+awinac_set_port(void *priv, mixer_ctrl_t *mc)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+ int nvol;
+
+ switch (mc->dev) {
+ case AC_OUTPUT_MASTER_VOLUME:
+ case AC_INPUT_DAC_VOLUME:
+ nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] >> 2;
+ val = AC_READ(sc, AC_DAC_ACTL);
+ val &= ~DAC_ACTL_PAVOL;
+ val |= __SHIFTIN(nvol, DAC_ACTL_PAVOL);
+ AC_WRITE(sc, AC_DAC_ACTL, val);
+ return 0;
+ }
+
+ return ENXIO;
+}
+
+static int
+awinac_get_port(void *priv, mixer_ctrl_t *mc)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+ int nvol;
+
+ switch (mc->dev) {
+ case AC_OUTPUT_MASTER_VOLUME:
+ case AC_INPUT_DAC_VOLUME:
+ val = AC_READ(sc, AC_DAC_ACTL);
+ nvol = __SHIFTOUT(val, DAC_ACTL_PAVOL) << 2;
+ mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = nvol;
+ mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = nvol;
+ return 0;
+ }
+
+ return ENXIO;
+}
+
+static int
+awinac_query_devinfo(void *priv, mixer_devinfo_t *di)
+{
+ switch (di->index) {
+ case AC_OUTPUT_CLASS:
+ di->mixer_class = AC_OUTPUT_CLASS;
+ strcpy(di->label.name, AudioCoutputs);
+ di->type = AUDIO_MIXER_CLASS;
+ di->next = di->prev = AUDIO_MIXER_LAST;
+ return 0;
+ case AC_INPUT_CLASS:
+ di->mixer_class = AC_INPUT_CLASS;
+ strcpy(di->label.name, AudioCinputs);
+ di->type = AUDIO_MIXER_CLASS;
+ di->next = di->prev = AUDIO_MIXER_LAST;
+ return 0;
+ case AC_OUTPUT_MASTER_VOLUME:
+ di->mixer_class = AC_OUTPUT_CLASS;
+ strcpy(di->label.name, AudioNmaster);
+ 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;
+ case AC_INPUT_DAC_VOLUME:
+ di->mixer_class = AC_INPUT_CLASS;
+ strcpy(di->label.name, AudioNdac);
+ 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;
+}
+
+static int
+awinac_getdev(void *priv, struct audio_device *audiodev)
+{
+ snprintf(audiodev->name, sizeof(audiodev->name), "AllWinner");
+ snprintf(audiodev->version, sizeof(audiodev->version), "CODEC");
+ snprintf(audiodev->config, sizeof(audiodev->config), "awinac");
+ return 0;
+}
+
+static int
+awinac_get_props(void *priv)
+{
+ return AUDIO_PROP_PLAYBACK|AUDIO_PROP_CAPTURE|AUDIO_PROP_INDEPENDENT;
+}
+
+static int
+awinac_round_blocksize(void *priv, int bs, int mode,
+ const audio_params_t *params)
+{
+ return (bs + AWINAC_TX_MAX_LEVEL) & ~(AWINAC_TX_MAX_LEVEL-1);
+}
+
+static size_t
+awinac_round_buffersize(void *priv, int direction, size_t bufsize)
+{
+ return bufsize;
+}
+
+static int
+awinac_trigger_output(void *priv, void *start, void *end, int blksize,
+ void (*intr)(void *), void *intrarg, const audio_params_t *params)
+{
+ struct awinac_softc *sc = priv;
+ uint32_t val;
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val |= DAC_FIFOC_FIFO_FLUSH;
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ val = AC_READ(sc, AC_DAC_ACTL);
+ val |= DAC_ACTL_DACAREN;
+ val |= DAC_ACTL_DACALEN;
+ val |= DAC_ACTL_DACPAS;
+ AC_WRITE(sc, AC_DAC_ACTL, val);
+
+ sc->sc_pint = intr;
+ sc->sc_pintarg = intrarg;
+ sc->sc_psamples = 0;
+ sc->sc_pstart = sc->sc_pcur = start;
+ sc->sc_pend = end;
+ sc->sc_pblksize = blksize;
+ sc->sc_pbytes = 0;
+
+ if (sc->sc_has_pactrl_gpio)
+ awin_gpio_pindata_write(&sc->sc_pactrl_gpio, 1);
+
+ val = AC_READ(sc, AC_DAC_FIFOC);
+ val |= DAC_FIFOC_IRQ_EN;
+ val |= DAC_FIFOC_FIFO_UNDERRUN_IRQ_EN;
+ AC_WRITE(sc, AC_DAC_FIFOC, val);
+
+ sc->sc_sih = softint_establish(SOFTINT_BIO|SOFTINT_MPSAFE,
+ awinac_softintr, sc);
+ if (sc->sc_sih == NULL) {
+ device_printf(sc->sc_dev, "couldn't establish softint\n");
+ return ENXIO;
+ }
+ softint_schedule(sc->sc_sih);
+
+ return 0;
+}
+
+static int
+awinac_trigger_input(void *priv, void *start, void *end, int blksize,
+ void (*intr)(void *), void *intrarg, const audio_params_t *params)
+{
+ return EINVAL;
+}
+
+static void
+awinac_get_locks(void *priv, kmutex_t **intr, kmutex_t **thread)
+{
+ struct awinac_softc *sc = priv;
+
+ *intr = &sc->sc_intr_lock;
+ *thread = &sc->sc_lock;
+}
