1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * 3*4882a593Smuzhiyun * (C) COPYRIGHT 2017 ARM Limited. All rights reserved. 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * This program is free software and is provided to you under the terms of the 6*4882a593Smuzhiyun * GNU General Public License version 2 as published by the Free Software 7*4882a593Smuzhiyun * Foundation, and any use by you of this program is subject to the terms 8*4882a593Smuzhiyun * of such GNU licence. 9*4882a593Smuzhiyun * 10*4882a593Smuzhiyun * A copy of the licence is included with the program, and can also be obtained 11*4882a593Smuzhiyun * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 12*4882a593Smuzhiyun * Boston, MA 02110-1301, USA. 13*4882a593Smuzhiyun * 14*4882a593Smuzhiyun */ 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifndef _PROTECTED_MODE_SWITCH_H_ 19*4882a593Smuzhiyun #define _PROTECTED_MODE_SWITCH_H_ 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct protected_mode_device; 22*4882a593Smuzhiyun 23*4882a593Smuzhiyun /** 24*4882a593Smuzhiyun * struct protected_mode_ops - Callbacks for protected mode switch operations 25*4882a593Smuzhiyun * 26*4882a593Smuzhiyun * @protected_mode_enable: Callback to enable protected mode for device 27*4882a593Smuzhiyun * @protected_mode_disable: Callback to disable protected mode for device 28*4882a593Smuzhiyun */ 29*4882a593Smuzhiyun struct protected_mode_ops { 30*4882a593Smuzhiyun /** 31*4882a593Smuzhiyun * protected_mode_enable() - Enable protected mode on device 32*4882a593Smuzhiyun * @dev: The struct device 33*4882a593Smuzhiyun * 34*4882a593Smuzhiyun * Return: 0 on success, non-zero on error 35*4882a593Smuzhiyun */ 36*4882a593Smuzhiyun int (*protected_mode_enable)( 37*4882a593Smuzhiyun struct protected_mode_device *protected_dev); 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /** 40*4882a593Smuzhiyun * protected_mode_disable() - Disable protected mode on device, and 41*4882a593Smuzhiyun * reset device 42*4882a593Smuzhiyun * @dev: The struct device 43*4882a593Smuzhiyun * 44*4882a593Smuzhiyun * Return: 0 on success, non-zero on error 45*4882a593Smuzhiyun */ 46*4882a593Smuzhiyun int (*protected_mode_disable)( 47*4882a593Smuzhiyun struct protected_mode_device *protected_dev); 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun /** 51*4882a593Smuzhiyun * struct protected_mode_device - Device structure for protected mode devices 52*4882a593Smuzhiyun * 53*4882a593Smuzhiyun * @ops - Callbacks associated with this device 54*4882a593Smuzhiyun * @data - Pointer to device private data 55*4882a593Smuzhiyun * 56*4882a593Smuzhiyun * This structure should be registered with the platform device using 57*4882a593Smuzhiyun * platform_set_drvdata(). 58*4882a593Smuzhiyun */ 59*4882a593Smuzhiyun struct protected_mode_device { 60*4882a593Smuzhiyun struct protected_mode_ops ops; 61*4882a593Smuzhiyun void *data; 62*4882a593Smuzhiyun }; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #endif /* _PROTECTED_MODE_SWITCH_H_ */ 65