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Commit 4fff60ad authored by Tingwei Zhang's avatar Tingwei Zhang
Browse files

soc: qcom: add support for sysmon drivers 



Add support for sysmon drivers on msm-4.9 Kernel.
This driver is needed for msm8953 to communicate
with other subsystem.

Change-Id: I3048b84c28e859369193867fa80dc0159cd7c22c
Signed-off-by: default avatarTingwei Zhang <tingwei@codeaurora.org>
parent 9d4600a1

drivers/soc/qcom/Kconfig

+8 −0
Original line number Diff line number Diff line
@@ -549,6 +549,14 @@ config MSM_SUBSYSTEM_RESTART 
         It also notifies userspace of transitions between these states via

         sysfs.



config MSM_SYSMON_COMM

	bool "MSM System Monitor communication support"

	depends on MSM_SMD && MSM_SUBSYSTEM_RESTART

	help

	  This option adds support for MSM System Monitor library, which

	  provides an API that may be used for notifying subsystems within

	  the SoC about other subsystems' power-up/down state-changes.



config MSM_PIL

       bool "Peripheral image loading"

       select FW_LOADER

drivers/soc/qcom/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ ifdef CONFIG_MSM_SUBSYSTEM_RESTART 
       obj-y += ramdump.o

       obj-y += microdump_collector.o

endif

obj-$(CONFIG_MSM_SYSMON_COMM) += sysmon.o sysmon-qmi.o

obj-$(CONFIG_MSM_JTAGV8) += jtagv8.o jtagv8-etm.o

obj-$(CONFIG_QCOM_COMMAND_DB) += cmd-db.o

obj-$(CONFIG_MSM_QBT1000) += qbt1000.o

include/soc/qcom/hsic_sysmon.h

0 → 100644
+58 −0
Original line number Diff line number Diff line 
/* Copyright (c) 2012-2013,2016,2018, 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.

 */



#ifndef __HSIC_SYSMON_H__

#define __HSIC_SYSMON_H__



/**

 * enum hsic_sysmon_device_id - Supported HSIC subsystem devices

 */

enum hsic_sysmon_device_id {

	HSIC_SYSMON_DEV_EXT_MODEM,

	HSIC_SYSMON_DEV_EXT_MODEM_2,

	NUM_HSIC_SYSMON_DEVS

};



#if IS_ENABLED(CONFIG_MSM_HSIC_SYSMON) || \

	IS_ENABLED(CONFIG_MSM_HSIC_SYSMON_MODULE)



extern int hsic_sysmon_open(enum hsic_sysmon_device_id id);

extern void hsic_sysmon_close(enum hsic_sysmon_device_id id);

extern int hsic_sysmon_read(enum hsic_sysmon_device_id id, char *data,

			    size_t len, size_t *actual_len, int timeout);

extern int hsic_sysmon_write(enum hsic_sysmon_device_id id, const char *data,

			     size_t len, int timeout);



#else /* CONFIG_MSM_HSIC_SYSMON || CONFIG_MSM_HSIC_SYSMON_MODULE */



static inline int hsic_sysmon_open(enum hsic_sysmon_device_id id)

{

	return -ENODEV;

}



static inline void hsic_sysmon_close(enum hsic_sysmon_device_id id) { }



static inline int hsic_sysmon_read(enum hsic_sysmon_device_id id, char *data,

				   size_t len, size_t *actual_len, int timeout)

{

	return -ENODEV;

}



static inline int hsic_sysmon_write(enum hsic_sysmon_device_id id,

				    const char *data, size_t len, int timeout)

{

	return -ENODEV;

}



#endif /* CONFIG_MSM_HSIC_SYSMON || CONFIG_MSM_HSIC_SYSMON_MODULE */



#endif /* __HSIC_SYSMON_H__ */

include/soc/qcom/sysmon.h

+18 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.

 * Copyright (c) 2011-2016,2018 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
@@ -15,9 +15,26 @@ 
#ifndef __MSM_SYSMON_H

#define __MSM_SYSMON_H



#include <soc/qcom/smd.h>

#include <soc/qcom/subsystem_notif.h>

#include <soc/qcom/subsystem_restart.h>



/**

 * enum subsys_id - Destination subsystems for events.

 */

enum subsys_id {

	/* SMD subsystems */

	SYSMON_SS_MODEM     = SMD_APPS_MODEM,

	SYSMON_SS_LPASS     = SMD_APPS_QDSP,

	SYSMON_SS_WCNSS     = SMD_APPS_WCNSS,

	SYSMON_SS_DSPS      = SMD_APPS_DSPS,

	SYSMON_SS_Q6FW      = SMD_APPS_Q6FW,



	/* Non-SMD subsystems */

	SYSMON_SS_EXT_MODEM = SMD_NUM_TYPE,

	SYSMON_NUM_SS

};



/**

 * enum ssctl_ssr_event_enum_type - Subsystem notification type.

 */