[src/trunk]: src/sys/dev Add APIs for digital audio interface drivers

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d3225d864347
branches:  trunk
changeset: 832400:d3225d864347
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Wed May 09 23:57:58 2018 +0000

description:
Add APIs for digital audio interface drivers

diffstat:

 sys/dev/audio_dai.h |  283 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 283 insertions(+), 0 deletions(-)

diffs (287 lines):

diff -r 8e07896d4ecb -r d3225d864347 sys/dev/audio_dai.h
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/dev/audio_dai.h       Wed May 09 23:57:58 2018 +0000
@@ -0,0 +1,283 @@
+/* $NetBSD: audio_dai.h,v 1.1 2018/05/09 23:57:58 jmcneill Exp $ */
+
+/*-
+ * Copyright (c) 2018 Jared McNeill <jmcneill%invisible.ca@localhost>
+ * 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.
+ */
+
+#ifndef _DEV_AUDIO_DAI_H
+#define _DEV_AUDIO_DAI_H
+
+#include <dev/audio_if.h>
+
+#define        AUDIO_DAI_FORMAT_MASK           __BITS(3,0)
+#define        AUDIO_DAI_FORMAT_I2S            0
+#define        AUDIO_DAI_FORMAT_RJ             1
+#define        AUDIO_DAI_FORMAT_LJ             2
+#define        AUDIO_DAI_FORMAT_DSPA           3
+#define        AUDIO_DAI_FORMAT_DSPB           4
+#define        AUDIO_DAI_FORMAT_AC97           5
+#define        AUDIO_DAI_FORMAT_PDM            6
+
+#define        AUDIO_DAI_POLARITY_MASK         __BITS(5,4)
+#define        AUDIO_DAI_POLARITY_NB_NF        0
+#define        AUDIO_DAI_POLARITY_NB_IF        1
+#define        AUDIO_DAI_POLARITY_IB_NF        2
+#define        AUDIO_DAI_POLARITY_IB_IF        3
+#define        AUDIO_DAI_POLARITY_F(n)         (((n) & 0x1) != 0)
+#define        AUDIO_DAI_POLARITY_B(n)         (((n) & 0x2) != 0)
+
+#define        AUDIO_DAI_CLOCK_MASK            __BITS(9,8)
+#define        AUDIO_DAI_CLOCK_CBM_CFM         0
+#define        AUDIO_DAI_CLOCK_CBS_CFM         1
+#define        AUDIO_DAI_CLOCK_CBM_CFS         2
+#define        AUDIO_DAI_CLOCK_CBS_CFS         3
+
+#define        AUDIO_DAI_CLOCK_IN              0
+#define        AUDIO_DAI_CLOCK_OUT             1
+
+typedef struct audio_dai_device {
+       int     (*dai_set_sysclk)(struct audio_dai_device *, u_int, int);
+       int     (*dai_set_format)(struct audio_dai_device *, u_int);
+
+       const struct audio_hw_if *dai_hw_if;            /* audio driver callbacks */
+
+       device_t                dai_dev;                /* device */
+       void                    *dai_priv;              /* driver private data */
+} *audio_dai_tag_t;
+
+static inline device_t
+audio_dai_device(audio_dai_tag_t dai)
+{
+       return dai->dai_dev;
+}
+
+static inline void *
+audio_dai_private(audio_dai_tag_t dai)
+{
+       return dai->dai_priv;
+}
+
+static inline int
+audio_dai_set_sysclk(audio_dai_tag_t dai, u_int rate, int dir)
+{
+       if (!dai->dai_set_sysclk)
+               return 0;
+
+       return dai->dai_set_sysclk(dai, rate, dir);
+}
+
+static inline int
+audio_dai_set_format(audio_dai_tag_t dai, u_int format)
+{
+       if (!dai->dai_set_format)
+               return 0;
+
+       return dai->dai_set_format(dai, format);
+}
+
+static inline int
+audio_dai_open(audio_dai_tag_t dai, int flags)
+{
+       if (!dai->dai_hw_if->open)
+               return 0;
+       return dai->dai_hw_if->open(dai->dai_priv, flags);
+}
+
+static inline void
+audio_dai_close(audio_dai_tag_t dai)
+{
+       if (!dai->dai_hw_if->close)
+               return;
+       dai->dai_hw_if->close(dai->dai_priv);
+}
+
+static inline int
+audio_dai_drain(audio_dai_tag_t dai)
+{
+       if (!dai->dai_hw_if->drain)
+               return 0;
+       return dai->dai_hw_if->drain(dai->dai_priv);
+}
+
+static inline int
+audio_dai_query_encoding(audio_dai_tag_t dai, audio_encoding_t *ae)
+{
+       if (!dai->dai_hw_if->query_encoding)
+               return 0;
+       return dai->dai_hw_if->query_encoding(dai->dai_priv, ae);
+}
+
+static inline int
+audio_dai_set_params(audio_dai_tag_t dai, int setmode, int usemode,
+    audio_params_t *play, audio_params_t *rec,
+    stream_filter_list_t *pfil, stream_filter_list_t *rfil)
+{
+       if (!dai->dai_hw_if->set_params)
+               return 0;
+       return dai->dai_hw_if->set_params(dai->dai_priv, setmode,
+           usemode, play, rec, pfil, rfil);
+}
+
+static inline int
+audio_dai_round_blocksize(audio_dai_tag_t dai, int bs, int mode,
+    const audio_params_t *params)
+{
+       if (!dai->dai_hw_if->round_blocksize)
+               return bs;
+       return dai->dai_hw_if->round_blocksize(dai->dai_priv, bs,
+           mode, params);
+}
+
+static inline int
+audio_dai_commit_settings(audio_dai_tag_t dai)
+{
+       if (!dai->dai_hw_if->commit_settings)
+               return 0;
+       return dai->dai_hw_if->commit_settings(dai->dai_priv);
+}
+
+static inline int
+audio_dai_halt(audio_dai_tag_t dai, int dir)
+{
+       switch (dir) {
+       case AUMODE_PLAY:
+               if (!dai->dai_hw_if->halt_output)
+                       return 0;
+               return dai->dai_hw_if->halt_output(dai->dai_priv);
+       case AUMODE_RECORD:
+               if (!dai->dai_hw_if->halt_input)
+                       return 0;
+               return dai->dai_hw_if->halt_input(dai->dai_priv);
+       default:
+               return EINVAL;
+       }
+}
+
+static inline int
+audio_dai_trigger(audio_dai_tag_t dai, void *start, void *end, int blksize,
+    void (*intr)(void *), void *intrarg, const audio_params_t *params,
+    int dir)
+{
+       switch (dir) {
+       case AUMODE_PLAY:
+               if (!dai->dai_hw_if->trigger_output)
+                       return 0;
+               return dai->dai_hw_if->trigger_output(dai->dai_priv, start,
+                   end, blksize, intr, intrarg, params);
+       case AUMODE_RECORD:
+               if (!dai->dai_hw_if->trigger_input)
+                       return 0;
+               return dai->dai_hw_if->trigger_input(dai->dai_priv, start,
+                   end, blksize, intr, intrarg, params);
+       default:
+               return EINVAL;
+       }
+}
+
+static inline void *
+audio_dai_allocm(audio_dai_tag_t dai, int dir, size_t size)
+{
+       if (!dai->dai_hw_if->allocm)
+               return NULL;
+       return dai->dai_hw_if->allocm(dai->dai_priv, dir, size);
+}
+
+static inline void
+audio_dai_freem(audio_dai_tag_t dai, void *addr, size_t size)
+{
+       if (!dai->dai_hw_if->freem)
+               return;
+       dai->dai_hw_if->freem(dai->dai_priv, addr, size);
+}
+
+static inline size_t
+audio_dai_round_buffersize(audio_dai_tag_t dai, int dir, size_t bufsize)
+{
+       if (!dai->dai_hw_if->round_buffersize)
+               return bufsize;
+       return dai->dai_hw_if->round_buffersize(dai->dai_priv, dir, bufsize);
+}
+
+static inline paddr_t
+audio_dai_mappage(audio_dai_tag_t dai, void *addr, off_t off, int prot)
+{
+       if (!dai->dai_hw_if->mappage)
+               return -1;
+       return dai->dai_hw_if->mappage(dai->dai_priv, addr, off, prot);
+}
+
+static inline int
+audio_dai_get_props(audio_dai_tag_t dai)
+{
+       if (!dai->dai_hw_if->get_props)
+               return 0;
+       return dai->dai_hw_if->get_props(dai->dai_priv);
+}
+
+static inline int
+audio_dai_getdev(audio_dai_tag_t dai, struct audio_device *adev)
+{
+       if (!dai->dai_hw_if->getdev)
+               return ENXIO;
+       return dai->dai_hw_if->getdev(dai->dai_priv, adev);
+}
+
+static inline int
+audio_dai_get_port(audio_dai_tag_t dai, mixer_ctrl_t *mc)
+{
+       if (!dai->dai_hw_if->get_port)
+               return ENXIO;
+       return dai->dai_hw_if->get_port(dai->dai_priv, mc);
+}
+
+static inline int
+audio_dai_set_port(audio_dai_tag_t dai, mixer_ctrl_t *mc)
+{
+       if (!dai->dai_hw_if->set_port)
+               return ENXIO;
+       return dai->dai_hw_if->set_port(dai->dai_priv, mc);
+}
+
+static inline int
+audio_dai_query_devinfo(audio_dai_tag_t dai, mixer_devinfo_t *di)
+{
+       if (!dai->dai_hw_if->query_devinfo)
+               return ENXIO;
+       return dai->dai_hw_if->query_devinfo(dai->dai_priv, di);
+}
+
+static inline void
+audio_dai_get_locks(audio_dai_tag_t dai, kmutex_t **intr, kmutex_t **thread)
+{
+       if (!dai->dai_hw_if->get_locks) {
+               *intr = NULL;
+               *thread = NULL;
+               return;
+       }
+
+       dai->dai_hw_if->get_locks(dai->dai_priv, intr, thread);
+}
+
+#endif /* _DEV_AUDIO_DAI_H */