android_kernel_oneplus_msm8998/drivers/soc/qcom/qdsp6v2/apr_v2.c
Derek Chen 6bb3622c73 soc: msm: add apr sensor domain support
Add APR Sensor (DSPS) domain support for
Active Noise Cancellation (ANC) usecase.

CRs-fixed: 2153236
Change-Id: I5a271aac25ac6e538751d742dc0bf1b105221112
Signed-off-by: Derek Chen <chenche@codeaurora.org>
2018-04-20 10:43:14 -07:00

72 lines
1.8 KiB
C

/*
* Copyright (c) 2012-2016 The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/spinlock.h>
#include <linux/kernel.h>
#include <linux/qdsp6v2/apr.h>
#include <linux/qdsp6v2/apr_tal.h>
#include <linux/qdsp6v2/dsp_debug.h>
#include <linux/qdsp6v2/audio_notifier.h>
enum apr_subsys_state apr_get_subsys_state(void)
{
return apr_get_q6_state();
}
void apr_set_subsys_state(void)
{
apr_set_q6_state(APR_SUBSYS_DOWN);
apr_set_modem_state(APR_SUBSYS_UP);
}
uint16_t apr_get_data_src(struct apr_hdr *hdr)
{
if (hdr->src_domain == APR_DOMAIN_MODEM)
return APR_DEST_MODEM;
else if (hdr->src_domain == APR_DOMAIN_ADSP)
return APR_DEST_QDSP6;
else if (hdr->src_domain == APR_DOMAIN_SDSP)
return APR_DEST_DSPS;
else {
pr_err("APR: Pkt from wrong source: %d\n", hdr->src_domain);
return APR_DEST_MAX; /*RETURN INVALID VALUE*/
}
}
int apr_get_dest_id(char *dest)
{
if (!strcmp(dest, "ADSP"))
return APR_DEST_QDSP6;
else if (!strcmp(dest, "SDSP"))
return APR_DEST_DSPS;
else
return APR_DEST_MODEM;
}
void subsys_notif_register(char *client_name, int domain,
struct notifier_block *nb)
{
int ret;
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);
}
uint16_t apr_get_reset_domain(uint16_t proc)
{
return proc;
}