Commit f08abe6a authored by Stanimir Varbanov's avatar Stanimir Varbanov Committed by Mauro Carvalho Chehab
Browse files

media: venus: Add debugfs interface to set firmware log level 



This will be useful when debugging specific issues related to
firmware HFI interface.

Signed-off-by: default avatarStanimir Varbanov <stanimir.varbanov@linaro.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 8b6a1010

drivers/media/platform/qcom/venus/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -3,7 +3,7 @@ 


venus-core-objs += core.o helpers.o firmware.o \

		   hfi_venus.o hfi_msgs.o hfi_cmds.o hfi.o \

		   hfi_parser.o pm_helpers.o

		   hfi_parser.o pm_helpers.o dbgfs.o



venus-dec-objs += vdec.o vdec_ctrls.o

venus-enc-objs += venc.o venc_ctrls.o

drivers/media/platform/qcom/venus/core.c

+3 −0
Original line number Diff line number Diff line
@@ -295,6 +295,8 @@ static int venus_probe(struct platform_device *pdev) 
		goto err_dev_unregister;

	}



	venus_dbgfs_init(core);



	return 0;



err_dev_unregister:
@@ -346,6 +348,7 @@ static int venus_remove(struct platform_device *pdev) 
	v4l2_device_unregister(&core->v4l2_dev);

	mutex_destroy(&core->pm_lock);

	mutex_destroy(&core->lock);

	venus_dbgfs_deinit(core);



	return ret;

}

drivers/media/platform/qcom/venus/core.h

+3 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include <media/v4l2-ctrls.h>

#include <media/v4l2-device.h>



#include "dbgfs.h"

#include "hfi.h"



#define VIDC_CLKS_NUM_MAX		4
@@ -137,6 +138,7 @@ struct venus_caps { 
 * @priv:	a private filed for HFI operations

 * @ops:		the core HFI operations

 * @work:	a delayed work for handling system fatal error

 * @root:	debugfs root directory

 */

struct venus_core {

	void __iomem *base;
@@ -190,6 +192,7 @@ struct venus_core { 
	unsigned int codecs_count;

	unsigned int core0_usage_count;

	unsigned int core1_usage_count;

	struct dentry *root;

};



struct vdec_controls {

drivers/media/platform/qcom/venus/dbgfs.c

0 → 100644
+21 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (C) 2020 Linaro Ltd.

 */



#include <linux/debugfs.h>



#include "core.h"



extern int venus_fw_debug;



void venus_dbgfs_init(struct venus_core *core)

{

	core->root = debugfs_create_dir("venus", NULL);

	debugfs_create_x32("fw_level", 0644, core->root, &venus_fw_debug);

}



void venus_dbgfs_deinit(struct venus_core *core)

{

	debugfs_remove_recursive(core->root);

}

drivers/media/platform/qcom/venus/dbgfs.h

0 → 100644
+12 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 */

/* Copyright (C) 2020 Linaro Ltd. */



#ifndef __VENUS_DBGFS_H__

#define __VENUS_DBGFS_H__



struct venus_core;



void venus_dbgfs_init(struct venus_core *core);

void venus_dbgfs_deinit(struct venus_core *core);



#endif