android_kernel_xiaomi_sm8350/ipc/apr_v3.c
Josh Kirsch 6ec6971e34 audio-kernel: asoc: ipc: add support for MDSP target
Add support for MDSP based targets.

Change-Id: Iac1402db89b321e85d4ccdb3863d697484c8251e
Signed-off-by: Josh Kirsch <jkirsch@codeaurora.org>
2019-02-20 19:04:04 +08:00

73 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2013-2016, 2019 The Linux Foundation. All rights reserved.
*/
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <dsp/audio_notifier.h>
#include <ipc/apr.h>
#include <ipc/apr_tal.h>
#define DEST_ID APR_DEST_MODEM
/**
* apr_get_subsys_state - get modem subsys status
*
* Returns apr_subsys_state
*/
enum apr_subsys_state apr_get_subsys_state(void)
{
return apr_get_modem_state();
}
EXPORT_SYMBOL(apr_get_subsys_state);
void apr_set_subsys_state(void)
{
apr_set_modem_state(APR_SUBSYS_DOWN);
}
uint16_t apr_get_data_src(struct apr_hdr *hdr)
{
return DEST_ID;
}
int apr_get_dest_id(char *dest)
{
return DEST_ID;
}
void subsys_notif_register(char *client_name, int domain,
struct notifier_block *nb)
{
int ret;
if (domain != AUDIO_NOTIFIER_MODEM_DOMAIN) {
pr_debug("%s: Unused domain %d not registering with notifier\n",
__func__, domain);
return;
}
ret = audio_notifier_register(client_name, domain, nb);
if (ret < 0)
pr_err("%s: Audio notifier register failed for domain %d ret = %d\n",
__func__, domain, ret);
}
void subsys_notif_deregister(char *client_name)
{
int ret;
ret = audio_notifier_deregister(client_name);
if (ret < 0)
pr_err("%s: Audio notifier de-register failed for client %s\n",
__func__, client_name);
}
uint16_t apr_get_reset_domain(uint16_t proc)
{
return APR_DEST_QDSP6;
}