605b42f92c
Kernel audio drivers can be categorised into below folders. asoc - ALSA based drivers, asoc/codecs - codec drivers, ipc - APR IPC communication drivers, dsp - DSP low level drivers/Audio ION/ADSP Loader, dsp/codecs - Native encoders and decoders, soc - SoC based drivers(pinctrl/regmap/soundwire) Restructure drivers to above folder format. Include directories also follow above format. Change-Id: I8fa0857baaacd47db126fb5c1f1f5ed7e886dbc0 Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>
67 lines
1.8 KiB
C
67 lines
1.8 KiB
C
/* Copyright (c) 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/module.h>
|
|
#include <soc/qcom/scm.h>
|
|
#include <soc/qcom/subsystem_restart.h>
|
|
#include <soc/qcom/subsystem_notif.h>
|
|
#include "audio_ssr.h"
|
|
|
|
#define SCM_Q6_NMI_CMD 0x1
|
|
|
|
static char *audio_ssr_domains[] = {
|
|
"adsp",
|
|
"modem"
|
|
};
|
|
|
|
void *audio_ssr_register(int domain_id, struct notifier_block *nb)
|
|
{
|
|
if ((domain_id < 0) ||
|
|
(domain_id >= AUDIO_SSR_DOMAIN_MAX)) {
|
|
pr_err("%s: Invalid service ID %d\n", __func__, domain_id);
|
|
return ERR_PTR(-EINVAL);
|
|
}
|
|
|
|
return subsys_notif_register_notifier(
|
|
audio_ssr_domains[domain_id], nb);
|
|
}
|
|
EXPORT_SYMBOL(audio_ssr_register);
|
|
|
|
int audio_ssr_deregister(void *handle, struct notifier_block *nb)
|
|
{
|
|
return subsys_notif_unregister_notifier(handle, nb);
|
|
}
|
|
EXPORT_SYMBOL(audio_ssr_deregister);
|
|
|
|
void audio_ssr_send_nmi(void *ssr_cb_data)
|
|
{
|
|
struct notif_data *data = (struct notif_data *)ssr_cb_data;
|
|
struct scm_desc desc;
|
|
|
|
if (data && data->crashed) {
|
|
/* Send NMI to QDSP6 via an SCM call. */
|
|
if (!is_scm_armv8()) {
|
|
scm_call_atomic1(SCM_SVC_UTIL,
|
|
SCM_Q6_NMI_CMD, 0x1);
|
|
} else {
|
|
desc.args[0] = 0x1;
|
|
desc.arginfo = SCM_ARGS(1);
|
|
scm_call2_atomic(SCM_SIP_FNID(SCM_SVC_UTIL,
|
|
SCM_Q6_NMI_CMD), &desc);
|
|
}
|
|
/* The write should go through before q6 is shutdown */
|
|
mb();
|
|
pr_debug("%s: Q6 NMI was sent.\n", __func__);
|
|
}
|
|
}
|
|
EXPORT_SYMBOL(audio_ssr_send_nmi);
|