1# Copyright 2016 The Chromium OS Authors. All rights reserved.
2# Use of this source code is governed by a BSD-style license that can be
3# found in the LICENSE file.
4
5# Unified build config.
6device_config_dir="$(cros_config /audio/main cras-config-dir)"
7internal_ucm_suffix="$(cros_config /audio/main ucm-suffix)"
8
9# Deprecate HSP since it's just too old.
10# TODO(hychao): Clean up all CRAS codes that are related to HSP once we're
11# sure no headset breaks because of that.
12DISABLE_PROFILE="--disable_profile=hsp"
13
14# Handle legacy config.
15if [ -z "${device_config_dir}" ]; then
16  # Disable HSP/HFP on Google WiFi (Gale) with UART-HCI Bluetooth
17  # which is incapable of handling SCO audio.
18  platform_name="$(mosys platform name)"
19  if [ "$platform_name" = "Gale" ]; then
20      DISABLE_PROFILE="--disable_profile=hfp,hsp"
21  fi
22  # For boards that need a different device config, check which config
23  # directory to use. Use that directory for both volume curves
24  # and DSP config.
25  if [ -f /etc/cras/get_device_config_dir ]; then
26    device_config_dir="$(sh /etc/cras/get_device_config_dir)"
27  fi
28  if [ -f /etc/cras/get_internal_ucm_suffix ]; then
29    internal_ucm_suffix="$(sh /etc/cras/get_internal_ucm_suffix)"
30  fi
31else
32  device_config_dir="/etc/cras/${device_config_dir}"
33fi
34
35if [ -n "${device_config_dir}" ]; then
36  DEVICE_CONFIG_DIR="--device_config_dir=${device_config_dir}"
37  DSP_CONFIG="--dsp_config=${device_config_dir}/dsp.ini"
38fi
39if [ -n "${internal_ucm_suffix}" ]; then
40  INTERNAL_UCM_SUFFIX="--internal_ucm_suffix=${internal_ucm_suffix}"
41fi
42
43# Leave cras in the init pid namespace as it uses its PID as an IPC identifier.
44exec minijail0 -u cras -g cras -G --uts -v -l \
45        -T static \
46        -P /mnt/empty \
47        -b /,/ \
48        -k 'tmpfs,/run,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \
49        -b /run/cras,/run/cras,1 \
50        -b /run/dbus,/run/dbus,1 \
51        -b /run/udev,/run/udev \
52        -b /dev,/dev \
53        -b /dev/shm,/dev/shm,1 \
54        -k proc,/proc,proc \
55        -b /sys,/sys \
56        -k 'tmpfs,/var,tmpfs,MS_NODEV|MS_NOEXEC|MS_NOSUID,mode=755,size=10M' \
57        -b /var/lib/metrics/,/var/lib/metrics/,1 \
58        -- \
59        /sbin/minijail0 -n \
60        -S /usr/share/policy/cras-seccomp.policy \
61        -- \
62        /usr/bin/cras \
63        ${DSP_CONFIG} ${DEVICE_CONFIG_DIR} ${DISABLE_PROFILE} \
64        ${INTERNAL_UCM_SUFFIX} ${CRAS_ARGS}
65