2 # Copyright (c) 2019 Oleksandr Tymoshenko <gonzo@FreeBSD.org>
4 # Redistribution and use in source and binary forms, with or without
5 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # 2. Redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution.
13 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/param.h>
31 #include <dev/sound/pcm/sound.h>
36 # set DAI format for communications between CPU/codec nodes
42 # Initialize DAI and set up interrrupt handler
43 METHOD int setup_intr {
45 driver_intr_t intr_handler;
49 # Setup mixers for codec node
50 METHOD int setup_mixer {
56 METHOD int set_sysclk {
68 METHOD struct pcmchan_caps* get_caps {
72 METHOD uint32_t get_ptr {
77 # Set PCM channel format
78 METHOD uint32_t set_chanformat {
83 # Set PCM channel sampling rate
84 METHOD uint32_t set_chanspeed {
89 # call DAI interrupt handler
90 # returns 1 if call to chn_intr required, 0 otherwise
93 struct snd_dbuf *play_buf;
94 struct snd_dbuf *rec_buf;